2024
Tan, T., Shull, P.B., Hicks, J.L., Uhlrich, S.D., Chaudhari, A.S. Self-Supervised Learning Improves Accuracy and Data Efficiency for IMU-Based Ground Reaction Force Estimation. IEEE Transactions on Biomedical Engineering. Download PDF
Van Wouwe, T., Hicks, J., Delp, S.L., Liu, K.C. A simulation framework to determine optimal strength training and musculoskeletal geometry for sprinting and distance running. PLOS Computational Biology 20(2). Download PDF
Raitor, M., Ruggles, S., Delp, S.L., Liu, K.C., Collins, S.H. Lower-limb exoskeletons appeal to both clinicians and older adults, especially for fall prevention and joint pain reduction. IEEE Transactions on Neural Systems and Rehabilitation Engineering. Download PDF
Althoff, T., Ivanovic, B., Hicks, J.L., Delp, S.L., King, A.C., Leskovec, J. Countrywide natural experiment reveals impact of built environment on physical activity. Computers and Society, arXiv Preprint. Download PDF
Cereatti, A., Gurchiek, R., Mündermann, A., Fantozzi, S., Horak, F., Delp, S.L., Aminian, K. ISB recommendations on the definition, estimation, and reporting of joint kinematics in human motion analysis applications using wearable inertial measurement technology. Journal of Biomechanics. Download PDF
2023
Clancy, C.E., Gatti, A.A., Ong, C.F., Maly, M.R., Delp, S.L. Muscle‑driven simulations and experimental data of cycling. Scientific Reports 13:21534. Download PDF
Werling, K., Bianco, N.B., Raiter, M., Stingel, J.P., Hicks, J.L., Collins, S.H., Delp, S.L., Liu, C.K. AddBiomechanics: Automating model scaling, inverse kinematics, and inverse dynamics from human motion data through sequential optimization. PLoS ONE 18(11). Download PDF
Stingel, J.P., Hicks, J.L., Uhlrich, S.D., Delp, S.L. Simulating muscle-level energetic cost savings when humans run with a passive assistive device. IEEE Robotics and Automation Letters 8(10). Download PDF
Uhlrich, S.D., Falisse, A., Kidzinski, L., Muccini, J., Ko, M., Chaudhari, A.S., Hicks, J.L., Delp, S.L. OpenCap: Human movement dynamics from smartphone videos. PLoS Computational Biology 19(10). Download PDF
Tan, T., Gatti, A.A., Fan, B., Shea, K.G., Sherman, S.L., Uhlrich, S.D., Hicks, J.L., Delp, S.L., Shull, P.B., Chaudhari, A.S. A scoping review of portable sensing for out-of-lab anterior cruciate ligament injury prevention and rehabilitation. npj Digital Medicine 6:46, 2023. Download PDF
Zahrt, O.H., Evans, K., Murnane, E., Santoro, E., Baiocchi, M., Landay, J., Delp, S., Crum, A., Effects of Wearable Fitness Trackers and Activity Adequacy Mindsets on Affect, Behavior, and Health: Longitudinal Randomized Controlled Trial. Journal of Medical Internet Research 25:e40529. Download PDF
Hicks, J.L., Boswell, M.A., Althoff, T., Crum, A.J., Ku, J.P., Landay, J.A., Moya, P.ML., Murnane, E.L., Snyder, M.P., King, A.C., Delp, S.L. Leveraging Mobile Technology for Public Health Promotion: A Multidisciplinary Perspective. Annual Review of Public Health 44. Download PDF
Lloyd, D.G., Jonkers, I., Delp, S.L., Modenese, L. The History and Future of Neuromusculoskeletal Biomechanics. Journal of Applied Biomechanics 39. Download PDF
Bianco, N.A., Collins, S.H., Liu, C.K., Delp, S.L. Simulating the effect of ankle plantarflexion and inversion-eversion exoskeleton torques on center of mass kinematics during walking. PLoS Computational Biology 19(8):e1010712. Download PDF
Uhlrich, S.D., Uchida, T.K., Lee, M.R., Delp, S.L. Ten steps to becoming a musculoskeletal simulation expert: A half-century of progress and outlook for the future. Journal of Biomechanics, 154. Download PDF
Kaneda, J.M., Seagers, K.A., Uhlrich, S.D., Kolesar, J.A., Thomas, K.A., Delp, S.L. Can static optimization detect changes in peak medial knee contact forces induced by gait modifications?. Journal of Biomechanics, 152. Download PDF
Boswell, M.A., Kidziński, Ł., Hicks, J.L., Uhlrich, S.D., Falisse, A., Delp, S.L. Smartphone videos of the sit-to-stand test predict osteoarthritis and health outcomes in a nationwide study. Npj Digital Medicine, 6(32), 1-7. Download PDF
Delp, S.L., Topol, E.J. Digitising tremor. The Lancet, 401(10372):187. Download PDF
Lee, M.R., Hicks, J.L., Wren, T.A.L., Delp, S.L. Independently ambulatory children with spina bifida experience near-typical knee and ankle joint moments and forces during walking. Gait & Posture, 99. Download PDF
Keller, M., Werling, K., Shin, S., Delp, S., Pujades, S., Liu, K.C., Black, M.J. From Skin to Skeleton: Towards Biomechanically Accurate 3D Digital Humans. ACM Transactions on Graphics, 42:6(253):12. Download PDF | Download Supplementary Material
2022
Slade, P., Kochenderfer, M.J., Delp, S.L., Collins, S.H. Personalized exoskeleton assistance while walking in the real world. Nature, 610, 277-282. Download PDF
Uhlrich, S.D., Kolesar J.A., Kidziński, L., Boswell, M.A., Silder, A., Gold, G.E., Delp, S.L., Beaupre, G.S. Personalization improves the biomechanical efficacy of foot progression angle modifications in individuals with medial knee osteoarthritis. Journal of Biomechanics, 144. Download PDF
Pal, S., Choi, J., Delp, S., Fredericson, M. Botulinum neurotoxin type A improves vasti muscle balance, patellar tracking, and pain in patients with chronic patellofemoral pain. Journal of Orthopaedic Research, 2022. Download PDF
Uhlrich, S.D., Jackson, R.W., Seth, A., Kolesar, J.A., Delp, S.L. Muscle coordination retraining inspired by musculoskeletal simulations reduces knee contact force. Scientific Reports, 12:9842. Download PDF
Seagers, K., Uhlrich, S., Kolesar, J.A., Berkson, M., Kaneda, J.M., Beaupre, G.S., Delp, S.L. Changes in foot progression angle during gait reduce the knee adduction moment and do not increase hip moments in individuals with knee osteoarthritis. Journal of Biomechanics, 141. Download PDF
O’Day, J.*, Lee, M.*, Seagers, K.*, Hoffman, S., Jih-Schiff, A., Kidzinski, L., Delp, S.†, & Bronte-Stewart, H.† Assessing inertial measurement unit locations for freezing of gait detection and patient preference. Journal of NeuroEngineering and Rehabilitation, 19(20). Download PDF.
Al Borno, M., O’Day, J., Ibarra, V., Dunne, J., Seth, A., Habib, A., Ong, C., Hicks, J., Uhlrich, S., Delp, S. OpenSense: An open-source toolbox for inertial-measurement-unit-based measurement of lower extremity kinematics over long durations. Journal of NeuroEngineering and Rehabilitation, 19:22. Download PDF.
Pascual-Valdunciel, A., Rajagopal, A., Pons, J.L., Delp, S. Non-invasive electrical stimulation of peripheral nerves for the management of tremor. Journal of the Neurological Sciences, 435. Download PDF.
Boswell, M.A., Evans, K.M., Zion, S.R., Boles, D.Z., Hicks, J.L., Delp, S.L., Crum, A.J. Mindset is associated with future physical activity and management strategies in individuals with knee osteoarthritis. Annals of Physical and Rehabilitation Medicine 65(6): 101634. Download PDF.
Bianco, N.A, Franks, P.W., Hicks, J.L., Delp, S.L. Coupled exoskeleton assistance simplifies control and maintains metabolic benefits: A simulation study. PloS one 17(1), e026131822022. Download PDF.
Selinger, J. C., Hicks, J. L., Jackson, R. W., Wall-Scheffler, C. M., Chang, D., Delp, S. L. Running in the wild: Energetics explain ecological running speeds. Current Biology, 32:1-7. Download PDF.
Wilzman, A. R., Tenforde, A. S., Troy, K. L., Hunt, K., Fogel, N., Deakins Roche, M., Kraus, E., Trikha, R., Delp, S., Fredericson, M. Medical and biomechanical risk factors for incident bone stress injury in collegiate runners: Can plantar pressure predict injury? The Orthopaedic Journal of Sports Medicine, 10(6):23259671221104783. Download PDF.
Weber, K.A., Teplin, S.M., Wager T.D., Law, C.S.W., Prabhakar, N.K., Ashar, Y.K., Gilam, G., Banerjee, S., Delp, S.L., Glover, G.H., Hastie, T.J., Mackey, S. Confounds in neuroimaging: A clear case of sex as a confound in brain-based prediction. Frontiers in Neurology. 13. Download PDF.
Pincheira, P.A., Boswell, M.A, Franchi, M.V., Delp, S.L., Lichtwark, G.A. Biceps femoris long head sarcomere and fascicle length adaptations after 3 weeks of eccentric exercise training. Journal of Sport and Health Science. 11:1, 43-49. Download PDF.
2021
Dunne, J. J., Uchida, T. K., Besier, T. F., Delp, S. L., Seth, A. A marker registration method to improve joint angles computed by constrained inverse kinematics. PloS one, 16(5): e0252425. Download PDF.
Dunn, J., Kidzinski, L., Runge, R., Witt, D., Hicks, J.L., Schussler-Fiorenza Rose, S.M., Li, X., Bahmani, A., Delp, S.L., Hastie, T., Snyder, M.P. Wearable sensors enable personalized predictions of clinical laboratory measurements. Nature Medicine, 27:1105–1112. Download PDF.
Giori, N.J., Radin, J., Callahan, A., Fries, J.A., Halilaj, E., Re, C., Delp, S.L., Shah, N, H., Harris, A.H. Assessment of extractability and accuracy of electronic health record data for joint implant registries. JAMA network open, 4(30):e211728. Download PDF.
Boswell, M.A., Uhlrich, S.D., Kidziński, L., Thomas, K., Kolesar, J.A., Gold, G.E., Beaupre, G.S., Delp, S.L. A neural network to predict the knee adduction moment in patients with osteoarthritis using anatomical landmarks obtainable from 2D video analysis. Osteoarthritis and Cartilage 29(3):346. Download PDF.
Song, S., Kidziński, Ł., Peng, X.B., Ong, C., Hicks, J., Levine, S., Atkeson, C.G., Delp, S.L. Deep reinforcement learning for modeling human locomotion control in neuromechanical simulation. J NeuroEngineering Rehabil, 18(126). Download PDF
Slade, P., Habib, A., Hicks, J.L., Delp, S.L. An open-source and wearable system for measuring 3D human motion in real-time. IEEE Trans Biomed Eng. Download PDF
Slade, P., Kochenderfer, M.J., Delp, S.L, Collins, S.H. Sensing leg movement enhances wearable monitoring of energy expenditure. Nature Communication, 12:4312. Download PDF
Uchida, T.K., Delp, S.L. (2021). Biomechanics of Movement: The Science of Sports, Robotics, and Rehabilitation. Website
2020
Al Borno, M., Vyas, S., Shenoy, K.V., Delp, S.L. High-fidelity musculoskeletal modeling reveals that motor planning variability contributes to the speed-accuracy tradeoff. eLife 9:e57021. Download PDF.
Dembia, C.L., Bianco, N.A., Falisse, A., Hicks, J.L., Delp, S.L. OpenSim Moco: Musculoskeletal optimal control. PLoS Computational Biology 16(12):e1008493. Download PDF.
Yu, J. Y., Rajagopal, A., Syrkin-Nikolau, J., Sin, S., Rosenbluth, K. H., Khosla, D., Ross, E.K., Delp, S. L. Transcutaneous afferent patterned stimulation therapy reduces hand tremor for one hour in essential tremor patients. Frontiers in Neuroscience. 14:520300. Download PDF.
Isaacson, S. H., Peckham, E., Tse, W., Waln, O., Way, C., Petrossian, M. T., Dahodwala, N., Soileau, M. J., Lew, M., Dietiker, C., Luthra, N., Agarwal, P., Dhall, R., Morgan, J., Calakos, N., Zesiewicz, T. A., Shamim, E. A., Kumar, R., LeWitt, P., Shill, H. A., Simmons, A., Pagan, F. L., Khemani, P., Tate, J., Maddux, B., Luo, L., Ondo, W., Hallett, M., Rajagopal, A., Chidester, P., Rosenbluth, K. H., Delp, S. L., Pahwa, R. Prospective home-use study on non-invasive neuromodulation therapy for essential tremor. Tremor and Other Hyperkinetic Movements. 10:29. Download PDF.
Kidzinski, L., Yang, B., Hicks, J.L., Rajagopal, A., Delp, S.L., Schwartz, M. Deep neural networks enable quantitative movement analysis using single-camera videos. Nature Communications, 11(1):4054. Download PDF
Rajagopal, A., Kidzinski, L., McGlaughlin, A.S., Hicks, J.L., Delp, S.L., Schwartz, M.H. Pre-operative gastrocnemius lengths in gait predict outcomes following gastrocnemius lengthening surgery in children with cerebral palsy. PLoS ONE, 15(6):e0233706. Download PDF
O’Day, J., Syrkin-Nikolau, J., Anidi, C., Kidzinski, L., Delp, S., Bronte-Stewart, H. The turning and barrier course reveals gait parameters for detecting freezing of gait and measuring the efficacy of deep brain stimulation. PLoS ONE, 15(4):e0231984. Download PDF
Watkins, L.E., Rubin, E.B., Mazzoli, V., Uhlrich, S.D., Desai, A.D., Black, M., Ho, G.K., Delp, S.L., Levenston, M.E., Beaupre, G.S., Gold, G.E., Kogan, F. Rapid volumetric gagCEST imaging of knee articular cartilage at 3 T: evaluation of improved dynamic range and an osteoarthritic population. NMR in Biomedicine, e4310. Download PDF
Yong, J.R., Dembia, C.L., Silder, A., Jackson, R.W., Fredericson, M., Delp, S.L. Foot strike pattern during running alters muscle-tendon dynamics of the gastrocnemius and the soleus. Scientific Reports 10:5872. Download PDF
Al Borno, M.A., Hicks, J.L., Delp, S.L. The Effects of Motor Modularity on Performance, Learning, and Generalizability in Upper-Extremity Reaching: a Computational Analysis. Journal of the Royal Society Interface 17:20200011. Download PDF
Thomas, K.A., Kidzinski, L., Halilaj, E., Fleming, S.L., Venkataraman, G.R., Oei, E.H.G., Gold, G.E., Delp, S.L. Automated classification of radiographic knee osteoarthritis severity using deep neural networks. Radiology: Artificial Intelligence, 2(2):e190065. Download PDF
Chen, X., Sanchez, G.N., Schnitzer, M.J., Delp, S.L. Microendoscopy detects altered muscular contractile dynamics in a mouse model of amyotrophic lateral sclerosis. Science Reports, 10(1):457. Download PDF
2019
Simpson, C.S., Welker, C.G., Uhlrich, S.D., Sketch, S.M., Jackson, R.W., Delp, S.L., Collins, S.H., Selinger, J.C., Hawkes, E.W. Connecting the legs with a spring improves human running economy. Journal of Experimental Biology, 222(17):jeb202895. Download PDF
Slade, P., Troutman, R., Kochenderfer, M.J., Collins, S.H, Delp, S.L. Rapid energy expenditure estimation for ankle assisted and inclined loaded walking. Journal of NeuroEngineering and Rehabilitation, 16:67. Download PDF
Kidzinski, L., Delp, S.L., and Schwartz, M. Automatic real-time gait event detection in children using deep neural networks. PLOS One, 14(1):e0211466. Download PDF
Hicks, J.L., Althoff, T., Sosic, R., Kuhar, P., Bostjancic, B., King, A.C., Leskovec, J., Delp, S.L. Best practices for analyzing large-scale health data from wearables and smartphone apps. Nature Partner Journal in Digital Medicine, 2:45. Download PDF
Uhlrich, S.D., Kolesar, J.A., Silder, A., Berkson, M.Z., Preston, B., Montague-Alamin, H.A., Edouard, N., Willoughby, D., Finlay, A.K., Gold, G.E., Delp, S.L., Beaupre, G.S. Six weeks of personalized gait retraining to offload the medial compartment of the knee reduces pain more than sham gait retraining. Osteoarthritis and Cartilage, 27(1): S28. Download PDF
Pahwa, R., Dhall, R., Ostrem, J., Gwin, R., Lyons, K., Ro, S., Dietiker, C., Luthra, N., Chidester, P., Hamner, S., Ross, E., Delp, S.L. An acute randomized controlled trial of noninvasive peripheral nerve stimulation in essential tremor. Neuromodulation, 22(5):537-545. Download PDF
Turnwald, B.P., Goyer, J.P., Boles, D.Z., Silder, A., Delp, S.L., Crum, A.J. Learning one’s genetic risk changes physiology independent of actual genetic risk. Nature Human Behaviour, 3:48-56. Download PDF
Pal, S., Besier, T.F., Gold, G.E., Fredericson, M., Delp, S.L., Beaupre, G.S. Patellofemoral cartilage stresses are most sensitive to variations in vastus medialis muscle forces. Computer Methods in Biomechanics and Biomedical Engineering, 22(2):206-216. Download PDF
Callahan, A., Fries, J.A., Ré, C., Huddleston, J. I., Giori, N.J., Delp, S. & Shah, N.H. Medical device surveillance with electronic health records. npj Digital Medicine, 2(1):94. Download PDF
Ong, C.F., Geijtenbeek, T., Hicks, J.L., Delp, S.L. Predicting gait adaptations due to ankle plantarflexor muscle weakness and contracture using physics-based musculoskeletal simulations. PLoS Computational Biology, 15(10):e1006993. Download PDF
Fries, J.A., Varma, P., Chen, V.S., Xiao, K., Tejeda, H., Saha, P., Dunnmon, J., Chubb, H., Maskatia, S., Fiterau, M., Delp, S.L., Ashley, E., Ré, C., Priest, J.R. Weakly supervised classification of aortic valve malformations using unlabeled cardiac MRI sequences. Nature Communications, 10(1):3111. Download PDF
Yong, J.R., Dembia C.L., Slider, A., Jackson, R.S., Fredericson, M., Delp, S. L. Foot strike pattern during running alters muscle-tendon dynamics of the gastrocnemius and the soleus. bioRxiv 671370. Download PDF
O’Day, J.J., Syrkin-Nikolau. J., Anidi, C.M., Kidzinski, L., Delp, S.L., Bronte-Stewart, H.M. The turning and barrier course: A standardized tool for identifying freezing of gait and demonstrating the efficacy of deep brain stimulation. bioRxiv 671479. Download PDF
Cox, S.M., Easton, K.L., Lear, M.C., Marsh, R.L., Delp, S.L., Rubenson, J. The interaction of compliance and activation on the force-length operating range and force generating capacity of skeletal muscle: A computational study using a guinea fowl musculoskeletal model. Integrative Organismal Biology, 1(1):1-20. Download PDF
Kidzinski, L., Ong, C.,Mohanty, S.P., Hicks, J.L., … Delp, S.L. Artificial Intelligence for Prosthetics—challenge solutions. NeurIPS 2018 Artificial Intelligence for Prosthetics challenge. Download PDF
Hicks, J.L., Althoff, T.A. Sosic, R., King, A.C., Leskovec, J., Delp, S.L. Best practices for analyzing large-scale health data from commercial wearables and smartphone apps. Nature Partner Journal in Digital Medicine, 2:45. Download PDF
Seth, A., Dong, M., Matias, R., Delp, S.L. Muscle Contributions to Upper-Extremity Movement and Work From a Musculoskeletal Model of the Human Shoulder. Frontiers in Neurorobotics, 13:90. Download PDF.
2018
Lichtwark, G.A., Farris, D.J., Chen, X, Hodges, P.W., Delp, S.L. Microendoscopy reveals positive correlation in multiscale length changes and variable sarcomere lengths across different regions of human muscle. Journal of Applied Physiology, 125:1812–1820. Download PDF
Rajagopal, A., Kidziński, Ł., McGlaughlin, A.S., Hicks, J.L., Delp, S.L., Schwartz, M.H. Estimating the effect size of surgery to improve walking in children with cerebral palsy from retrospective observational clinical data. Nature Scientific Reports, 8:16344. Download PDF
Halilaj, E., Rajagopal, A., Fiterau, M., Hicks, J.L., Hastie, T.J., & Delp, S. L. Machine learning in human movement biomechanics: Best practices, common pitfalls, and new opportunities. Journal of Biomechanics, 81:1-11. Download PDF
Lin, P.T., Ross, E.K., Chidester, P., Rosenbluth, K.H., Hamner, S.R., Wong, S.H., Sanger, T.D., Hallett, M., Delp, S. L. Noninvasive neuromodulation in essential tremor demonstrates relief in a sham-controlled pilot trial. Movement Disorders, 33:1182-1183. Download PDF
Seth, A., Hicks J.L., Uchida, T.K., Habib, A., Dembia, C.L., Dunne, J.J., Ong, C.F., DeMers, M.S., Rajagopal, A., Millard, M., Hamner, S.R., Arnold, E.M., Yong, J.R., Lakshmikanth, S.K., Sherman, M.A., Ku, J.P., Delp, S.L. OpenSim: Simulating musculoskeletal dynamics and neuromuscular control to study human and animal movement. PloS Computational Biology, 14(7):e1006223. Download PDF
Yong, J.R., Silder, A., Montgomery, K.L., Fredericson, M., Delp, S.L. Acute changes in foot strike pattern and cadence affect running parameters associated with tibial stress fractures. Journal of Biomechanics, 76:1-7. Download PDF
Halilaj, E., Hastie, T.J., Gold, G.E., Delp, S.L. Physical activity is associated with changes in knee cartilage microstructure. Osteoarthrisitis and Cartliage, 26:770-774. Download PDF.
Al Borno, M., Righetti, L., Black, M.J., Delp, S.L., Fiume, E., Romero, J. Robust Physics-based Motion Retargeting with Realistic Body Shapes. In the Proceedings of the ACM SIGGRAPH / Eurographics Symposium on Computer Animation 2018 (also published in Computer Graphics Forum, 37(8):81-92. Download PDF. Supplemental Video
Uhlrich, S.D., Silder, A., Beaupre, G.S., Shull, P.B., Delp, S.L. Subject-specific toe-in or toe-out gait modifications reduce the larger knee adduction moment peak more than a non-personalized approach. Journal of Biomechanics, 66:103–110. Download PDF
Thompson-Kolesar, J.A., Gatewood, C.T., Tran, A.A., Silder, A., Shultz, R., Delp, S.L., Dragoo, J.L. Age influences biomechanics changes after participation in an anterior cruciate ligament injury program. American Journal of Sports Medicine, 46(3). Download PDF.
Erdemir, A., Hunter, P.J., Holzapfel, G.A., Loew, L.M., Middleton, J., Jacobs, C.R., Nithiarasu, P., Lohner, R., Wei, G., Winkelstein, B.A., Barocas, V.H., Guilak, F., Ku, J., Hicks, J.L., Delp, S.L., Sacks, M., Weiss, J.A., Ateshian, D.G.A., Maas, S.A., McCulloch, A.D., Peng, G.C.Y. Perspectives on sharing models and related resources in computational biomechanics research. Journal of Biomechanical Engineering, 140(2):024701. Download PDF
Halilaj, E., Le, Y., Hicks, J.L., Hastie, T.J., Delp, S.L. . Modeling and predicting osteoarthritis progression: Data from the osteoarthritis initiative. Osteoarthritis Cartilage, 26(12):1643-1650. Download PDF
Escalera, S., Weimer, M., Burtsev, M., Malykh, V., … Bengio, S. Introduction to NIPS 2017 Competition Track. The NIPS’17 Competition: Building Intelligent Systems. The Springer Series on Challenges in Machine Learning.
Gorini, C.J., Iyer, S.M., Vyas, S., Ramakrishnan, C., Deisseroth, K., Delp, S.L. Reversible temporally-specific inhibition of muscle using a light-activated chloride channel. bioRxiv 398156. Download PDF<
Kidzinski, L., Mohanty, S.P., Ong, C., Hicks, J.L., Carroll, S.F., Levine, S., Salathé, M., Delp, S.L. Learning to Run challenge: Synthesizing physiologically accurate motion using deep reinforcement learning. NIPS 2017. Download PDF
Kidzinski, L., Mohanty, S.P., Ong, C., Huang, Z., … Delp, S.L. Learning to Run challenge solutions: Adapting reinforcement learning methods for neuromusculoskeletal environments. NIPS 2017. Download PDF
Rajagopal, A, Dembia, C.L., DeMers, M.S., Delp, D.D., Hicks, J.L., Delp, S.L. Full-Body Musculoskeletal Model for Muscle-Driven Simulation of Human Gait. IEEE Trans Biomed Eng., 63(10):2068-79. Download PDF
2017
Francois, A., Low, S.A., Sypek, E.I., Christensen, A.J., Sotoudeh, C., Beier, K.T., Ramakrishnan, C., Ritola, K.D., Sharif-Naeini, R., Deisseroth, K., Delp, S.L., Malenka, R.C., Luo, L., Lantman, A.W., Scherrer, G. A brainstem-spinal cord inhibitory circuit for mechanical pain modulation by GABA and enkephalins. Neuron, 93:822–839. Download PDF
Althoff, T., Sosic, R., Hicks, J.L., King, A.C., Delp, S.L., Leskovec, J. Large-scale physical activity data reveal worldwide activity inequality. Nature, advance online publication, 547:336–339. Download PDF
Dembia, C.L., Silder, A., Uchida, T.K., Hicks, J.L., Delp, S.L. Simulating ideal assistive devices to reduce the metabolic cost of walking with heavy loads. PLoS ONE, 12(7):e0180320. Download PDF
DeMers, M.S., Hicks, J.L., Delp, S.L. Preparatory co-activation of the ankle muscles may prevent ankle inversion injuries. Journal of Biomechanics, 52:17-23. Download PDF
Jackson, R.W., Dembia, C.L., Delp, S.L., Collins, S.H. Muscle-tendon mechanics explain unexpected effects of exoskeleton assistance on metabolic rate during walking. Journal of Experimental Biology, 220:2082-2095. Download PDF
Ho, A.T.V., Palla, A.R., Blake, M.R, Yucel, N.D., Wang, Y.X., Magnusson, K.E.G., Holbrook, C.A., Kraft, P.E., Delp, S.L., Blau, H.M. Prostaglandin E2 is essential for efficacious skeletal muscle stem-cell function, augmenting regeneration and strength. Proceedings of the National Academy of Sciences, 26(114):6675-6684. Download PDF
Fiterau, M., Bhooshan, S., Fries, J., Bournhonesque, C., Hicks, J., Halilaj, E., Re, C., Delp, S. ShortFuse: Biomedical Time Series Representations in the Presence of Structured Information. Proceedings of the 2nd Machine Learning for Healthcare Conference, in Proceedings of Machine Learning Research. 68:59-74. Download PDF
Marshall, C.D., Hu, M.S., Leavitt, T., Barnes, L.A., Cheung, A.T.M., Malhotra, S., Lorenz, H.P., Delp, S.L., Quake, S.R., Longaker, M.T. Sanativo Wound Healing Product Does Not Accelerate Reepithelialization in a Mouse Cutaneous Wound Healing Model. Plast Reconstr Surg. 39(2):343-352. Download PDF
2016
Thompson, J.A., Tran, A.A., Gatewood, C.T., Shultz, R., Silder, A., Delp, S.L., Dragoo, J.L. Biomechanical effects of an injury prevention program in preadolescent female soccer athletes. American Journal of Sports Medicine, 45(2):294-301. Download PDF.
Ferber, R., Osis, S.T., Hicks, J.L., Delp, S.L. Gait biomechanics in the era of data science. Journal of Biomechanics, 49(16):3759-3761. Download PDF
Christensen, A.J., Iyer, S.M., Francois, A., Vyas, S., Ramakrishnan, C., Vesuna, S., Deisseroth, K., Scherrer, G., Delp, S.L. In vivo interrogation of spinal mechanosensory circuits. Cell Reports, 17:1699-1710. Download PDF
Uchida, T.K., Seth, A., Pouya, S., Dembia, C.L., Hicks, J.L., Delp, S.L. Simulating ideal assistive devices to reduce the metabolic cost of running. PLoS ONE, 11(9):e0163417. Download PDF
Chen, X., Sanchez, G.N., Schnitzer, M.J., Delp, S.L. Changes in sarcomere lengths of the human vastus lateralis muscle with knee flexion measured using in vivo microendoscopy. Journal of Biomechanics, 49(13):2989-2994. Download PDF
Iyer, S.M., Vesuna, S., Ramakrishnan, C., Huynh, K., Young, S., Berndt, A., Lee, S.Y., Gorini, C.J., Deisseroth, K., Delp, S.L. Optogenetic and chemogenetic strategies for sustained inhibition of pain. Scientific Reports, 6:30570. Download PDF
Rajagopal, A., Dembia, C.L., DeMers, M.S., Delp, D.D., Hicks, J.L., Delp, S.L. Full body musculoskeletal model for muscle-driven simulation of human gait. IEEE Transactions on Biomedical Engineering, 63(10):2068-79. Download PDF
Ferenczi, E.A., Vierock, J., Atsuta-Tsunoda, K., Tsunoda, S.P., Ramakrishnan, C., Gorini, C., Thompson, K., Lee, S.Y., Berndt, A., Perry, C., Minniberger, S., Vogt, A., Mattis, J., Prakash, R., Delp, S.L., Deisseroth, K., Hegemann, P. Optogenetic approaches addressing extracellular modulation of neural excitability. Scientific reports, 6:23947. Download PDF
Montgomery, K.L., Iyer S.M., Christensen A.J., Deisseroth K., Delp S.L. Beyond the brain: Optogenetic control in the spinal cord and peripheral nervous system. Science Translational Medicine, 8(337):337rv5-337rv5. Download PDF
Uchida, T.K., Hicks, J.L., Dembia, C.L., Delp, S.L. Stretching your energetic budget: How tendon compliance affects the metabolic cost of running. PLoS ONE, 11(3):e0150378. Download PDF
Seth A., Matias R., Veloso A.P., Delp S.L. A biomechanical model of the scapulothoracic joint to accurately capture scapular kinematics during shoulder movements. PLoS ONE, 11(1):e0141028. Download PDF . PloS ONE
Ong, C.F., Hicks, J.L., Delp, S.L. Simulation-based design for wearable robotic systems: An optimization framework for enhancing a standing long jump. IEEE Transactions on Biomedical Engineering, 63(5):894-903. Download PDF
Berndt, A., Lee, S.Y., Wietek, J., Ramakrishnan, C., Steinberg, E.E., Rashid, A.J., Kim, H., Park, S., Santoro, A., Frankland, P.W., Iyer, S.M., Pak, S., Ahrlund-Richter, S., Delp, S.L., Malenka, R.C., Josselyn, S.A., Carlen, M., Hegemann, P., Deisseroth, K. Structural foundations of optogenetics: Determinants of channelrhodopsin ion selectivity. Proceedings of the National Academy of Sciences, 113(4):822–829. Download PDF
Chen X., Delp S., Human soleus sarcomere lengths measured using in vivo microendoscopy at two ankle flexion angles. Journal of Biomechanics, 49(16):4164-4167. Download PDF
Scholz, A., Sherman, M., Stavness, I. Delp, S.L. A fast multi-obstacle muscle wrapping method using natural geodesic variations. Multibody System Dynamics. 36, 195–219. Download PDF
2015
Wentland, A.L., McWalter, E.J., Pal, S., Delp, S.L. and Gold, G.E., Muscle velocity and inertial force from phase contrast MRI. Journal of Magnetic Resonance Imaging, 42(2). Download PDF
Ho, J.S., Tanabe, Y., Iyer, S.M., Christensen, A.J., Grosenick, L., Deisseroth, K., Delp, S.L., Poon, A.S. Self-tracking energy transfer for neural stimulation in untethered mice. Physical Review Applied, 4(2):024001. Download PDF
Lerner F.Z., DeMers M.S., Delp S.L., Browning R.C. How tibiofemoral alignment and contact locations affect predictions of medial and lateral tibiofemoral contact forces. Journal of Biomechanics, 48(4):644-650. Download PDF
Sanchez, G.N., Sinha, S., Liske, H., Chen, X., Nguyen, V., Delp, S.L., Schnitzer, M.J. In Vivo Imaging of Human Sarcomere Twitch Dynamics in Individual Motor Units. Neuron, 88(6):1109-1120. Download PDF
Keenan, K.E., Besier, T.F., Pauly, J.M., Smith, R.L., Delp, S.L., Beaupre, G.S., Gold, G.E. T1ρ dispersion in articular cartilage: relationship to material properties and macromolecular content. Cartilage, 6(2):113-122. Download PDF
Montgomery, K.L., Yeh, A.J., Ho, J.S., Tsao, V., Iyer, S.M., Grosenick, L., Ferenczi, E.A., Tanabe, Y., Deisseroth, K., Delp, S.L., Poon, A.S.Y. Wirelessly powered, fully internal optogenetics for brain, spinal and peripheral circuits in mice. Nature Methods, 12:969-974. Download PDF
Ku, J.P., Hicks, J.L., Hastie, T., Leskovec, J., Re, C., Delp, S.L. The Mobilize Center: An NIH big data to knowledge center to advance human movement research and improve mobility. Journal of the American Medical Informatics Association, 22:1120-1125. Download PDF
Hutchinson, J.R., Rankin, J.W., Rubenson, J., Rosenbluth, K.H., Siston, R.A., Delp, S.L. Musculoskeletal modelling of an ostrich (Struthio camelus) pelvic limb: influence of limb orientation on muscular capacity during locomotion. Peer J, 3:e1001. Download PDF
Dorn, T.W., Wang, J. M., Hicks, J. L., Delp, S.L. Predictive simulation generates human adaptations during loaded and inclined walking. PloS one, 10(4):e0121407. Download PDF
Uchida, T.K., Sherman, M.A., Delp, S.L. Making a meaningful impact: modelling simultaneous frictional collisions in spatial multibody systems. Proceedings of the Royal Society of London A: Mathematical, Physical and Engineering Sciences 471(2177):20140859. Download PDF
Silder, A., Besier, T., Delp, S.L. Running with a load increases leg stiffness. Journal of Biomechanics, 48(6):1003-1008. Download PDF
Wisdom, K.M., Delp, S.L., Kuhl, E. Use it or lose it: Multiscale skeletal muscle adaptation to mechanical stimuli. Biomechanics and Modeling in Mechanobiology, 14(2):195-215. Download PDF
Hicks, J.L., Uchida, T.K., Seth, A., Rajagopal, A., Delp, S.L. Is my model good enough? Best practices for verification and validation of musculoskeletal models and simulations of movement. ASME Journal of Biomechanical Engineering, 137(2):020905. Download PDF
Scholz, A., Sherman, M., Stavness, I., Delp, S., Kecskeméthy, A. A fast multi-obstacle muscle wrapping method using natural geodesic variations. Multibody System Dynamics, 36:195–219. Download PDF
Besier, T.F., Pal, S., Draper, C.E., Fredericson, M., Gold, G.E., Delp, S.L., and Beaupré, G.S. The role of cartilage stress in patellofemoral pain. Medicine Science Sports Exercise, 11(47):2416–2422. Download PDF
2014
Yong, J.R., Silder, A., Delp, S.L. Differences in muscle activity between natural forefoot and rearfoot strikers during running. Journal of Biomechanics, 47:3593-3597. Download PDF
DeMers, M.S., Pal, S., Delp, S.L. Changes in tibiofemoral forces due to variations in muscle activity during walking. Journal of Orthopaedic Research, 32(6):769-776. Download PDF
Scholz, A., Stavness, I., Sherman, M., Delp, S., Kecskemethy, A. Edited by F. Thomas and A. Perez Gracia. Improved muscle wrapping algorithms using explicit path-error jacobians. Computational Kinematics, 14:395-403. Download PDF
Shull, P.B., Jirattigalachote, W., Hunt, M.A., Cutkosky, M.R., Delp, S.L. Quantified self and human movement: A review on the clinical impact of wearable sensing and feedback for gait analysis and intervention. Gait Posture, 40:11-19. Download PDF .
Cosgrove, B.D., Gilbert, P.M., Porpiglia, E., Mourkioti, F., Lee, S.P., Corbel, S.Y., Llewellyn, M.E., Delp, S.L., Blau, H.M. Rejuvenation of the muscle stem cell population restores strength to injured aged muscles. Nature Medicine, 20:255-264. Download PDF
Iyer, S.M., Delp, S.L. Optogenetic Regeneration. Science, 344:44-45. Download PDF
Iyer, S.M., Montgomery, K.L., Towne, C., Lee, S.Y., Ramakrishnan, C., Deisseroth, K., Delp, S.L. Virally mediated optogenetic excitation and inhbition of pain in freely moving nontransgenic mice. Nature Biotechnology, 32:274-278. Download PDF
Delp, S.L. Studying circuits with therapy in mind: Therapy for the periphery. Cell, 156:862. Download PDF
Webb, J.D., Blemker, S.S., Delp, S.L. 3D finite element models of shoulder muscles for computing lines of actions and moment arms. Computer Methods in Biomechanics and Biomedical Engineering, 17(8):829–837. Download PDF
Farris, D.J., Hicks, J.L., Delp, S.L. and Sawicki, G.S. Musculoskeletal modelling deconstructs the paradoxical effects of elastic ankle exoskeletons on plantar-flexor mechanics and energetics during hopping. Journal of Experimental Biology, 217:4018-4028. Download PDF
Valente,G., Pitto, L. Testi, D., Seth, A., Delp, S.L., Stagni, R., Viceconti, M., Taddei, F. Are subject-specific musculoskeletal models robust to the uncertainties in parameter identification?. PLOS ONE, 11(9):e112625. Download PDF
2013
Sherman, M.A., Seth, A., Delp, S.L. What is a moment arm? Calculating muscle effectiveness in biomechanical models using generalized coordinates. Proceedings of the ASME 2013 International Design Engineering Technical Conferences, 2013:V07BT10A052. Download PDF
Liske, H., Qian, X., Anikeeva, P., Deisseroth, K., Delp, S. Optical control of neuronal excitation and inhibition using a single opsin protein, ChR2. Scientific Reports, 3:3110. Download PDF
Towne, C., Montgomery, K.L., Iyer, S.M., Deisseroth, K., Delp, S.L. Optogenetic control of targeted peripheral axons in freely moving animals. PLoS ONE, 8(8):e72691. Download PDF
Cromie, M.J., Sanchez, G.N., Schnitzer, M.J., Delp, S.L. Sarcomere lengths in human extensor carpi radialis brevis measured by microendoscopy. Muscle Nerve, 8:286-292. Download PDF
Shull, P.B., Silder, A., Shultz, R., Dragoo, J.L., Besier, T.F., Delp, S.L., Cutkosky, M.R. Six-week gait retraining program reduces knee adduction moment, reduces pain, and improves function for individuals with medial compartment knee osteoarthritis. Journal of Orthopaedic Research, 31(7):1020-1025. Download PDF
Shull, P.B., Shultz, R., Silder, A., Dragoo, J.L., Besier, T.F., Cutkosky, M.R., Delp, S.L. Toe-in gait reduces the first peak knee adduction moment in patients with medial compartment knee osteoarthritis. Journal of Biomechanics, 46(1):122-128. Download PDF
Hamner, S.R., Seth, A., Steele, K.M., Delp, S.L. A rolling constraint reproduces ground reaction forces and moments in dynamic simulations of walking, running, and crouch gait. Journal of Biomechanics, 46(10):1772-1776. Download PDF
Arnold, E.M., Hamner, S.R., Seth, A., Millard, M., Delp, S.L. How muscle fiber lengths and velocities affect muscle force generation as humans walk and run at different speeds. Journal of Experimental Biology, 216:2150-2160. Download PDF
Liske, H., Towne, C., Anikeeva, P., Zhao, S., Feng, G., Deisseroth, K., Delp, S. Optical inhibition of motor nerve and muscle activity. Muscle Nerve, 47(6):916-921. Download PDF
Steele, K.M., Seth, A., Hicks, J.L., Schwartz, M.H., Delp, S.L. Muscle contributions to vertical and fore-aft accelerations are altered in subjects with crouch gait. Gait & Posture, 38(1), 86-91. Download PDF
Millard, M., Uchida, T., Seth, A., Delp, S.L. Flexing computational muscle: modeling and simulation of musculotendon dynamics. ASME Journal of Biomechanical Engineering, 135(2):021005. Download PDF
Besier, T.F., Draper, C., Pal, S., Fredericson, M., Gold, G., Delp, S., Beaupre, G. Edited by V. Sanchis-Alfonso. Imaging and musculoskeletal modeling to investigate the mechanical etiology of patellofemoral pain in anterior knee pain and patellar instability. Atlas of the Patellofemoral Joint, 125-133. Download PDF
Hamner, S.R., Delp, S.L. Muscle contributions to fore-aft and vertical body mass center accelerations over a range of running speeds. Journal of Biomechanics, 46(4), 780-787. Download PDF
Kinney, A.L., Besier, T.F., Silder, A., Delp, S.L., D’Lima, D.D., Fregly, B.J. Changes in in vivo knee contact forces through gait modification. Journal of Orthopaedic Research, 31(3), 434-440. Download PDF
Pal, S., Besier, T.F., Beaupre, G.S., Fredericson, M., Delp, S.L., Gold, G.E. Patellar maltracking is prevalent among patellofemoral pain subjects with patella alta: an upright, weightbearing MRI study. Journal of Orthopaedic Research, 31(3), 448-457. Download PDF
Gerus, P., Sartori, M., Besier, T.F., Fregly, B.J., Delp, S.L., Banks, S.A., Pandy, M.G., D’Lima, D.D., Lloyd, D.G. Subject-specific knee joint geometry improves predictions of medial tibiofemoral contact forces. Journal of Biomechanics, 46(16), 2778-2786. Download PDF
John, C.T., Anderson, F.C., Higginson, J.S., Delp, S.L. Stabilisation of walking by intrinsic muscle properties revealed in a three-dimensional muscle-driven simulation. Computer Methods in Biomechanics and Biomedical Engineering, 16(4), 451–462. Download PDF
Silder A., Delp S.L., Besier T., Men and women adopt similar walking mechanics and muscle activation patterns during load carriage. Journal of Biomechanics, 46(14):2522-2528. Download PDF
2012
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- Steele, K.M., van der Krogt, M.M., Schwartz, M.H., Delp, S.L. How much muscle strength is required to walk in a crouch gait?. Journal of Biomechanics, 45(15):2564-2569. Download PDF
- Draper, C.E., Quon, A., Fredericson, M., Besier, T.F., Delp, S.L., Beaupre, G.S., Gold, G.E. Comparison of MRI and 18F-NaF PET/CT in patients with patellofemoral pain. Journal of Magnetic Resonance Imaging, 36:928-932. Download PDF
- Draper, C.E., Fredericson, M., Gold, G.E., Besier, T.F., Delp, S.L., Beaupre, G.S., Quon A. Patients with patellofemoral pain exhibit elevated bone metabolic activity at the patellofemoral joint. Journal of Orthopaedic Research, 30:209-213. Download PDF
- John, C.T., Seth, A., Schwartz, M.H., Delp, S.L. Contributions of muscles to mediolateral ground reaction force over a range of walking speeds. Journal of Biomechanics, 45:2438-2443. Download PDF
- Steele, K.M., Damiano, D.L., Eek, M.N., Unger, M., Delp, S.L. Characteristics associated with improved knee extension after strength training for individuals with cerebral palsy and crouch gait. Journal of Pediatric Rehabilitation Medicine, 5:99-106. Download PDF
- Silder, A., Besier, T., Delp, S.L. Predicting the metabolic cost of incline walking from muscle activity and walking mechanics. Journal of Biomechanics, 45(10):1942-1949. Download PDF
- van der Krogt, M.M., Delp, S.L., Schwartz, M.H. How robust is human gait to muscle weakness? Gait Posture, 36(1):113-119. Download PDF
- Steele, K.M., DeMers, M.S., Schwartz, M.H., Delp, S.L. Compressive tibiofemoral force during crouch gait. Gait Posture, 35(4):556-560. Download PDF
- Pal, S., Besier, T.F., Draper, C.E., Fredericson, M., Gold, G.E, Beaupre, G.S., Delp, S.L. Patellar tilt correlates with vastus lateralis:vastus medialis activation ratio in maltracking patellofemoral pain patients. Journal of Orthopaedic Research, 30:927-933. Download PDF
- Fregly, B.J., Besier, T.F., Lloyd, D.G., Delp, S.L., Banks, S.A., Pandy, M.G., D’Lima, D.D. Grand challenge competition to predict in vivo knee loads. Journal of Orthopaedic Research, 30:503-513. Download PDF
- Delp, S.L., Ku, J.P., Pande, V.S., Sherman, M.A., Altman, R.B. Simbios: an NIH national center for physics-based simulation of biological structures. Journal of the American Medical Informatics Association, 19(2):186-189. Download PDF
- Wang, J.M, Hamner, S.R., Delp, S.L., Koltun, V. Optimizing locomotion controllers using biologically-based actuators and objectives. ACM Trans. Graph, 31:4(25), 11. Download PDF
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2011
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- Hicks, J.L., Delp, S.L., Schwartz, M.H. Can biomechanical variables predict improvement in crouch gait? Gait & Posture, 34:197-201. Download PDF
- Besier, T.F., Draper, C., Pal, S., Fredericson, M., Gold, G., Delp, S., Beaupré, G. Imaging and musculoskeletal modeling to investigate the mechanical etiology of patellofemoral pain. Anterior Knee Pain and Patellar Instability, Edited by V. Sanchis-Alfonso, 20, 269-286. Download PDF
- Reinbolt, J.A., Seth, A., Delp, S.L. Simulation of human movement: Applications using OpenSim. Procedia IUTAM, 2:186-198. Download PDF
- Seth, A., Sherman, M.A., Reinbolt, J.A., Delp, S.L. OpenSim: A musculoskeletal modeling and simulation framework for in silico investigations and exchange. Procedia IUTAM, 2:212-232. Download PDF
- Sherman, M.A., Seth, A., Delp, S.L. Simbody: Multibody dynamics for biomedical research. Procedia IUTAM, 2:241-261. Download PDF
- Keenan, K.E., Besier, T.F., Pauly, J.M., Han, E., Rosenberg, J., Smith, R.L., Delp, S.L., Beaupré, G.S., Gold, G.E. Prediction of glycosaminoglycan content in human cartilage by age, T1ρ and T2 MRI. Osteoarthritis and Cartilage, 19:171-179. Download PDF
- Arnold, E.M., Delp, S.L. Fibre operating lengths of human lower limb muscles during walking. Philosophical Transactions of the Royal Society B, 366:1530-1539. Download PDF
- Higham, T.E., Biewener, A.A., Delp, S.L. Mechanics, modulation and modelling: How muscles actuate and control movement. Philosophical Transactions of the Royal Society B, 366:1463-1465. Download PDF
- Pal, S., Draper, C.E., Fredericson, M., Gold, G.E., Delp, S.L., Beaupre, G.S., Besier, T.F. Patellar maltracking correlates with vastus medialis activation delay in patellofemoral pain patients. American Journal of Sports Medicine, 39:590-598. Download PDF
- Draper, C.E., Besier, T.F., Fredericson, M., Santos, J.M., Beaupre, G.S., Delp, S.L., Gold, G.E. Differences in patellofemoral kinematics between weight-bearing and non-weight-bearing conditions in patients with patellofemoral pain. Journal of Orthopaedic Research, 29:312-317. Download PDF
- Chen, C.A., Chen, W., Goodman, S.B., Hargreaves, B.A., Koch, K.M., Lu, W., Brau, A.C., Draper, C.E., Delp, S.L., Gold, G.E. New MR imaging methods for metallic implants in the knee: Artifact correction and clinical impact. Journal of Magnetic Resonance Imaging, 33:1121-1127. Download PDF
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2010
Sacco, A., Mourkioti, F., Tran, R., Choi, J., Llewellyn, M., Kraft, P., Shkreli, M., Delp, S., Pomerantz, J., Artandi, S., Blau, H. Short telomeres and stem cell exhaustion model duchenne muscular dystrophy in mdx/mTR mice. Cell, 143:1059-1071. Download PDF
Damiano, D.L., Arnold, A.S., Steele, K.M., Delp, S.L. Can strength training predictably improve gait kinematics? A pilot study on the effects of hip and knee extensor strengthening on lower-extremity alignment in cerebral palsy. Physical Therapy, 90:269-279. Download PDF
Llewellyn, M.E., Thompson, K.R., Deisseroth, K., Delp, S.L. Orderly recruitment of motor units under optical control in vivo. Nature Medicine, 16:1161-1165 Download PDF
Hamner, S.R., Seth, A., Delp, S.L. Muscle contributions to propulsion and support during running. Journal of Biomechanics, 43:2709-2716. Download PDF
Steele, K.M., Seth, A., Hicks, J.L., Schwartz, M.S., Delp, S.L. Muscle contributions to support and progression during single-limb stance in crouch gait. Journal of Biomechanics, 43:2099-2105. Download PDF
Vasavada, A.N., Ward, S., Delp, S.L., Lieber, R.L. Architectural design and function of human back muscles. In The Spine, Edited by Rothman and Simeone. Download PDF
Seth, A., Sherman, M., Eastman, P., Delp, S. Minimal formulation of joint motion for biomechanisms. Nonlinear Dyn, 62:291-303. Download PDF
Fox, M.D., Delp, S.L. Contributions of muscles and passive dynamics to swing initiation over a range of walking speeds. Journal of Biomechanics, 43(8):1450-1455. Download PDF
Agarwal-Harding, K.J., Schwartz, M.H., Delp, S.L. Variations of hamstrings lengths and velocities with walking speed. Journal of Biomechanics, 43(8):1522-1526. Download PDF
Arnold, E.M., Ward, S.R., Lieber, R.L., Delp, S.L. A model of the lower limb for analysis of human movement. Annals of Biomedical Engineering, 38:269-279. Download PDF
2009
Parker, D., Bryant, Z., Delp, S.L. Coarse-grained structural modeling of molecular motors using multibody dynamics. Cellular and Molecular Bioengineering, 2(3):366-374. Download PDF
Liao, J.C., Elting, M.W., Delp, S.L., Spudich, J.A., Bryant, Z. Engineered myosin VI motors reveal minimal structural determinants of directionality and processivity. Journal of Molecular Biology, 392(4):863-867. Download PDF
Khatib, O., Demircan, E., De Sapio, V., Sentis, L., Besier, T., Delp, S. Robotics-based synthesis of human motion. Journal of Physiology, 103(3-5):211-219. Download PDF
Chen, C.A., Lu, W., John, C.T., Hargreaves, B.A., Reeder, S.B., Delp, S.L., Siston, R.A., Gold, G.E. Multiecho IDEAL gradient-echo water-fat separation for rapid assessment of cartilage volume at 1.5T: Initial Experience. Radiology, 252(2):561- 567. Download PDF
Keenan, K.E., Kourtis, L.C., Besier, T.F., Lindsey, D.P., Gold, G.E., Delp, S.L., Beaupre, G.S. New resource for the computation of cartilage biphasic material properties with the interpolant response surface method. Computer Methods in Biomechanics and Biomedical Engineering, 12(4):415-422. Download PDF
Reinbolt, J.A., Fox, M.D., Schwartz, M.H., Delp, S.L. Predicting outcomes of rectus femoris transfer surgery. Gait Posture, 30: 100-105. Download PDF
Besier, T.F., Fredericson, M., Gold, G.E., Beaupre, G.S., Delp, S.L. Knee muscle forces during walking and running in patellofemoral pain patients and pain-free controls. Journal of Biomechanics, 42(7):898-905. Download PDF
Draper, C.E., Besier, T.F., Santos, J.M., Jennings, F., Fredericson, M., Gold, G.E., Beaupre, G.S., Delp, S.L. Using real-time MRI to quantify altered joint kinematics in subjects with patellofemoral pain and to evaluate the effects of a patellar brace or sleeve on joint motion. Journal of Orthopaedic Research, 27(5):571-577. Download PDF
Fox, M.D., Reinbolt, J.A., Ounpuu, S., Delp, S.L. Mechanisms of improved knee flexion after rectus femoris transfer surgery. Journal of Biomechanics, 42(5):614-619. Download PDF
Jonkers, I., Delp, S., Patten, C. Capacity to increase walking speed is limited by impaired hip and ankle power generation in lower functioning persons post-stroke. Gait Posture, 29(1):129-137. Download PDF
Hicks, J.L., Schwartz, M.H., Delp, S.L. Modeling and simulation of normal and hemiparetic gait. Gait Problems, 17(22):285-306. Download PDF
2008
Liu, M.Q., Anderson, F.C., Schwartz, M.H., Delp, S.L. Muscle contributions to support and progression over a range of walking speeds. Journal of Biomechanics, 41(15):3243-3252 Download PDF
Besier, T.F., Gold, G.E., Delp, S.L., Fredericson, M., Beaupre, G.S. The influence of femoral internal and external rotation on cartilage stress within the patellofemoral joint. Journal of Orthopaedic Research, 26(12):1627- 1635. Download PDF
Cromie, M.J., Siston, R.A., Giori, N.J., Delp, S.L. Posterior cruciate ligament removal contributes to abnormal knee motion during posterior stabilized total knee arthroplasty. Journal of Orthopaedic Research, 26:1494-1499. Download PDF
De Sapio, V., Khatib, O., Delp, S.L. Least action principles and their application to constrained and task-level problems in robotics and biomechanics. Multibody System Dynamics, 19(3):303-322. Download PDF
Siston, R.A., Cromie, M.J., Gold, G.E., Goodman, S.B., Delp, S.L., Maloney, W.J., Giori, N.J. Averaging different alignment axes improves femoral rotational alignment in computer-navigated total knee arthroplasty. Journal of Bone and Joint Surgery, 90(10):2098-2104. Download PDF
Llewellyn, M.E., Barretto, R.P.J., Delp, S.L., Schnitzer, M.J. Minimally invasive high-speed imaging of sarcomere contractile dynamics in mice and humans. Nature, 454(7205):784-788. Download PDF
Reinbolt, J.A., Fox, M.D., Arnold, A.S., Ounpuu, S., Delp, S.L. Importance of preswing rectus femoris activity in stiff-knee gait. Journal of Biomechanics, 41(11):2362-2369. Download PDF
Schmidt, J.P., Delp, S.L., Sherman, M.A., Taylor, C.A., Pande, V.S., Altman, R.B. The Simbios National Center: Systems biology in motion. Proceedings of the IEEE, 98:1266- 1280. Download PDF
Draper, C.E., Santos, J.M., Kourtis, L.C., Besier, T.F., Fredericson, M., Beaupre, G.S., Gold, G.E., Delp, S.L. Feasibility of using real-time MRI to measure joint kinematics in 1.5T and open-bore 0.5T systems. Journal of Magnetic Resonance Imaging, 28(1):158-166. Download PDF
Hicks, J.L., Schwartz, M.H., Arnold, A.S., Delp, S.L. Crouched postures reduce the capacity of muscles to extend the hip and knee during the single-limb stance phase of gait. Journal of Biomechanics, 41(5):960-967. Download PDF
Dinov, I. D., Rubin, D., Lorensen, W., Dugan, J., Ma, J., Murphy, S., … Toga, A. W. iTools: A Framework for Classification, Categorization and Integration of Computational Biology Resources. PLOS ONE, 3(5):e2265. Download PDF
2007
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- Siston, R.A., Goodman, S.B., Delp, S.L., Giori, N.J. Coronal plane stability before and after total knee arthroplasty. Clinical Orthopaedics and Related Research, 463:43-49. Download PDF
- Hicks, J., Arnold, A., Anderson, F., Schwartz, M., Delp, S. The effect of excessive tibial torsion on the capacity of muscles to extend the hip and knee during single-limb stance. Gait Posture, 26(4):546-552. Download PDF
- Holzbaur, K.R.S., Delp, S.L., Gold, G.E., Murray, W.M. Moment-generating capacity of upper limb muscles in healthy adults. Journal of Biomechanics, 40(11):2442-2449. Download PDF
- Arnold, A.S., Thelen, D.G., Schwartz, M.H., Anderson, F.C., Delp, S.L. Muscular coordination of knee motion during the terminal-swing phase of normal gait. Journal of Biomechanics, 40(15):3314-3324. Download PDF
- Delp, S.L., Anderson, F.C., Arnold, A.S., Loan, P., Habib, A., John, C.T., Guendelman, E., Thelen, D.G. OpenSim: Open-source software to create and analyze dynamic simulations of movement. IEEE Transactions on Biomedical Engineering, 54(11):1940-1950. Download PDF
- Holzbaur, K.R.S., Murray, W.M., Gold, G.E., Delp, S.L. Upper limb muscle volumes in adult subjects. Journal of Biomechanics, 40(4):742-749. Download PDF
- Siston, R.A., Giori, N.J., Goodman, S.B., Delp, S.L. Surgical navigation for total knee arthroplasty: A perspective. Journal of Biomechanics, 40(4):728-735. Download PDF
- Liao, J.C., Spudich, J.A., Parker, D., Delp, S.L. Extending the absorbing boundary method to fit dwell-time distributions of molecular motors with complex kinetic pathways. Proceedings of the National Academy of Science, 104(9):3171-3176. Download PDF
- Blemker, S.S., Asakawa, D.S., Gold, G.E., Delp, S.L. Image-based musculskeletal modeling: Applications, advances, and future opportunities. Journal of Magnetic Resonance Imaging, 25(2):441-451. Download PDF
- Arnold, A.S., Schwartz, M.H., Thelen, D.G., Delp, S,L. Contributions of muscles to terminal-swing knee motions vary with walking speed. Journal of Biomechanics, 40(16):3660-3671. Download PDF
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2006
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- Arnold, A.S., Liu, M.Q., Schwartz, M.H., Ounpuu, S., Dias, L.S., Delp, S.L. Do the hamstrings operate at increased muscle-tendon lengths and velocities after surgical lengthening?. Journal of Biomechanics, 39(8):1498-1506. Download PDF
- Siston, R.A., Giori, N.J., Goodman, S.B., Delp, S.L. Intraoperative passive kinematics of osteoarthritic knees before and after total knee arthroplasty. Journal of Orthopaedic Research, 24(8):1607-1614. Download PDF
- Liu, M.Q., Anderson, F.C., Pandy, M.G., Delp, S.L. Muscles that support the body also modulate forward progression during walking. Journal of Biomechanics, 39(14):2623-2630. Download PDF
- De Sapio, V., Khatib, O., Delp, S. Task-level approaches for the control of constrained multibody systems. Multibody System Dynamics, 16(1):73-102. Download PDF
- Draper, C.E., Besier, T.F., Gold, G.E., Fredericson, M., Fiene, A., Beaupre, G.S., Delp, S.L. Is cartilage thickness different in young subjects with and without patellofemoral pain?. Osteoarthritis and Cartilage, 14(9):931-937. Download PDF
- Asakawa, D.S., Blemker, S.S., Gold, G.E., Delp, S.L. Dynamic magnetic resonance imaging of muscle function after surgery. Skeletal Radiol, 35(12):885-886. Download PDF
- Ashby, B.M., Delp, S.L. Optimal control simulations reveal mechanisms by which arm movement improves standing long jump performance, Journal of Biomechanics, 39(9):1726-1734. Download PDF
- Higginson, J.S., Zajac, F.E., Neptune, R.R., Kautz, S.A., Delp, S.L. Muscle contributions to support during gait in an individual with post-stroke hemiparesis. Journal of Biomechanics, 39(10):1769-1777. Download PDF
- Blemker, S.S., Delp, S.L. Rectus femoris and vastus intermedius fiber excursions predicted by three-dimensional muscle models. Journal of Biomechanics, 39(8):1383-1391. Download PDF
- Arnold, A.S., Liu, M.Q., Schwartz, M.H., Ounpuu, S., Delp, S.L. The role of estimating muscle-tendon lengths and velocities of the hamstrings in the evaluation and treatment of crouch gait. Gait Posture, 23(3):273-281. Download PDF
- Anderson, F.C., Arnold, A.S., Pandy, M.G., Goldberg, S.R., Delp, S.L. Simulation of Walking, In Human Walking, Williams and Wilkins, 3rd Edition, 2006. Download PDF
- Goldberg, S.R., Ounpuu, S., Arnold, A.S., Gage, J.R., Delp, S.L. Kinematic and kinetic factors that correlate with improved knee flexion following treatment for stiff-knee gait, Journal of Biomechanics, 39(4):689-698. Download PDF
- Higginson, J.S., Zajac, F.E., Neptune, R.R., Kautz, S.A., Burgar, C.G., Delp, S.L. Effect of equinus foot placement and intrinsic muscle response on knee extension during stance. Gait Posture, 23(1):32-36. Download PDF
- Siston, R.A., Delp, S.L. Evaluation of a new algorithm to determine the hip joint center. Journal of Biomechanics, 39(1):125-130. Download PDF
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2005
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- Besier, T. F., Gold, G. E., Beaupré, G. S. & Delp, S. L. A modeling framework to estimate patellofemoral joint cartilage stress in-vivo. Medicine & Science in Sports and Exercise, 37(11):1924-1930. Download PDF
- Hutchinson, J.R., Anderson, F.C., Blemker, S.S., Delp, S.L. Analysis of hindlimb muscle moment arms in Tyrannosaurus Rex using a three-dimensional musculoskeletal computer model: Implications for stance, gait, and speed. Paleobiology, 31(4):676–701. Download PDF
- Siston, R.A., Patel, J.J, Gooidman, S.B., Delp, S.L., Giori, N.J. The variability of femoral rotational alignment in total knee arthroplasty. Journal of Bone and Joint Surgery, 87(10):2276-2780. Download PDF
- Siston, R.A., Daub, A.C., Giori, N.J., Goodman, S.B., Delp, S.L. Evaluation of methods that locate the center of the ankle for computer-assisted total knee arthroplasty. Clinical Orthopaedics and Related Research, 439:129–135. Download PDF
- Arnold, A.S., Anderson, F.C. Pandy, M.G., Delp, S.L. Muscular contributions to hip and knee extension during the single limb stance phase of normal gait: A framework for investigating the causes of crouch gait. Journal of Biomechanics, 38(11):2181-2189. Download PDF
- Holzbaur, K.R.S., Murray, W.M., Delp, S.L. A model of the upper extremity for simulating musculoskeletal surgery and analyzing neuromuscular control. Annals of Biomedical Engineering, 33:829–840. Download PDF
- Blemker, S.S., Delp, S.L. Three-dimensional representation of complex muscle architectures and geometries. Annals of Biomedical Engineering, 33:661–673. Download PDF
- De Sapio, S. Warren, J., Khatib, O., Delp, S. Simulating the task-level control of human motion: A methodology and framework for implementation. Visual Computer, 21(5):289-302. Download PDF
- Besier, T.F., Draper, C.E., Gold, G.E., Beaupre, G.S., Delp, S.L. Patellofemoral joint contact area increases with knee flexion and weight-bearing. Journal of Orthopaedic Research, 23(2):345-350. Download PDF
- Blemker, S.S., Pinsky, P.M., Delp, S.L. A 3D model of muscle reveals the causes of nonuniform strains in the biceps brachii. Journal of Biomechanics, 38(4):657-665. Download PDF
- Arnold, A.S., Delp, S.L. Computer modeling of gait abnormalities in cerebral palsy: Application to treatment planning. Theoretical Issues in Ergonomics Science, 6(3-4):305–312. Download PDF
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2004
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- Arnold, A.S., and Delp, S. L., The role of musculoskeletal models in patient assessment and treatment. In Treatment of Gait Problems in Cerebral Palsy, Edited by J.R. Gage, Cambridge Press, 2004. Download PDF
- Goldberg, S.R., Anderson, F.C., Pandy, M.G., Delp, S.L. Muscles that influence knee flexion velocity in double support: Implications for stiff-knee gait. Journal of Biomechanics, 37(8):1189-1196. Download PDF
- Anderson, F.C., Goldberg, S.R., Pandy, M.G., Delp, S.L. Contributions of muscle forces and toe-off kinematics to peak knee flexion during the swing phase of normal gait: An induced position analysis. Journal of Biomechanics, 37(5):731-737. Download PDF
- Asakawa, D.S., Blemker, S.S., Rab, G.T., Bagley, A., Delp, S.L. Three-dimensional muscle-tendon geometry after rectus femoris transfer. Journal of Bone and Joint Surgery, 86(2):348-354. Download PDF
- Gold, G., Asakawa, D., Blemker, S., Delp, S. L. Magnetic Resonance Imaging Findings After Rectus Femoris Transfer Surgery, Skeletal Radiology, 33(1):34-40. Download PDF
- Gold, G.E., Besier, T.F., Draper, C.E., Asakawa, D.S., Delp, S.L., Beaupre, G.S. Weight-bearing MRI of patellofemoral joint cartilage contact area. J. Magn. Reson. Imaging, 20: 526-530. Download PDF.
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2003
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- Thelen, D.G., Riewald, S.A., Asakawa, D.S., Sanger, T.D., Delp, S.L Abnormal coupling of knee and hip moments during maximal exertions in person with cerebral palsy. Muscle Nerve, 27:486-493. Download PDF
- Asakawa, D.S., Pappas, G.P. Blemker, S.S., Drace, J.E., Delp, S.L. Cine phase-contrast magnetic resonance imaging as a tool for quantification of skeletal muscle motion. Seminars in Musculoskeletal Radiology, 7(4):287-295. Download PDF
- Asakawa, D.S., Nayak, D.S., Blemker S.S., Pauly, J.M., Nishimura, D.G., Delp, S.L. Real-time imaging of skeletal muscle velocity. Journal of Magnetic Resonance Imaging, 18(6):734-739. Download PDF
- Saul, K.R. Murray, W.M., Hentz, V.R., Delp, S.L. Biomechanics of the Steindler flexorplasty surgery: a computer simulation study. Journal of Hand Surgery, 28(6):979-986. Download PDF
- Goldberg, S.R., Ounpuu, S., Delp, S.L. The importance of swing-phase initial conditions in stiff-knee gait. Journal of Biomechanics, 36(8):1111-1116. Download PDF
- Thelen, D.G., Anderson, F.C., Delp, S.L. Generating dynamic simulations of movement using computed muscle control. Journal of Biomechanics, 36(3):321-328. Download PDF
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2002
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- Asakawa, D.S., Blemker, S.S., Gold, G.E., Delp, S.L. In vivo motion of the rectus femoris muscle after tendon transfer surgery. Journal of Biomechanics, 35(8):1029-1037. Download PDF
- Pappas, G.P, Asakawa, D.S., Delp, S.L., Zajac, F.E., Drace, J.E. Nonuniform shortening in the biceps brachii during elbow flexion. Journal of Applied Physiology, 92(6):2381-2389. Download PDF
- Asakawa, D.S., Pappas, G. P., Drace, J. E., Delp, S. L. Aponeurosis length and fascicle insertion angles of the Biceps Brachii. International Journal of Mechanics in Medicine and Biology, 2(3-4):449-455. Download PDF
- Murray, W. M., Buchanan, T.S., Delp, S.L. Scaling of peak moment arms of elbow muscles with upper extremity bone dimensions. Journal of Biomechanics, 35(1):19-26. Download PDF
- Vasavada, A.N., Peterson, B.W., Delp, S.L. Three-dimensional spatial tuning of neck muscle activation in humans. Experimental Brain Research, 147:437-448, 2002. Download PDF
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2001
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- Arnold, A.S., Delp, S.L. Rotational moment arms of the medial hamstrings and adductors vary with femoral geometry and limb position: implications for the treatment of internally rotated gait. Journal of Biomechanics, 34(4):437-447. Download PDF
- Arnold, A.S., Blemker, S.S., Delp, S.L. Evaluation of a deformable musculoskeletal model for estimating muscle–tendon lengths during crouch gait. Annals of Biomedical Engineering, 29(3):1-11. Download PDF
- Delp, S.L, Suranarayanan, S., Murray, W.M., Uhlir, J., Triolo, R.J. Architecture of the rectus abdominis, quadratus lumborum, and erector spinae. Journal of Biomechanics, 34(3):371-375. Download PDF
- Vasavada, A.V., Li, S., Delp, S.L. Three-Dimensional Isometric strength of neck muscles in humans. Spine, 26(17):1904-1949. Download PDF
- Piazza, S.J., Delp, S.L. Three-dimensional dynamic simulation of total knee replacement motion during a stepup task. ASME Journal of Biomechanical Engineering, 123(6):599-606. Download PDF
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2000
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- Delp, S.L., Loan, J.P. A computational framework for simulation and analysis of human and animal movement. IEEE Computing in Science and Engineering, 2(5):46-55. Download PDF
- Arnold, A.S., Salinas, S., Asakawa, D.J., Delp, S.L. Accuracy of muscle moment arms estimated form MRI-based musculoskeletal models of the lower extremity. Computer Aided Surgery, 5:108-119. Download PDF
- Arnold, A.S., Asakawa, D.J., Delp, S.L. Do the hamstrings and adductors contribute to excessive internal rotation of the hip in persons with cerebral palsy. Gait Posture, Awarded Best Paper of 1999, 11(3):181-190. Download PDF
- Murray, W. M., Buchanan, T.S., Delp, S.L. The isometric functional capacity of elbow muscles. Journal of Biomechanics, 33(8):943-952. Download PDF
- Dhaher, Y.Y., Rymer, W. Z., Delp, S.L. The use of basis functions in modeling of joint articular surfaces: Application to the knee joint. Journal of Biomechanics, 33(7):901-907. Download PDF
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1999
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- Schmidt, D.J., Arnold, A.S., Carroll, N.C., Delp, S.L. Length changes of the hamstrings and adductors resulting from derotational osteotomies of the femur. Journal of Orthopaedic Research, 17(2):279-285. Download PDF
- Delp, S.L., Hess, W. E., Hungerford, D.S., Jones, L.C. Variation of rotational moment arms with hip flexion. Journal of Biomechanics, 32(5):493-501. Download PDF
- Delp, S.L., Loan, J. P., Robinson, C. B., Stulberg, S.D., Wong, A. Y. Computer Assisted Surgical Method US patent No. 5,871,018, 1999. Download PDF
- Herrmann, A., Delp, S.L. Moment arms and force-generating capacity of the extensor carpi ulnaris after transfer to the extensor carpi radialis brevis. Journal of Hand Surgery, 24(5):1083-1890. Download PDF
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1998
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- Delp, S.L., Arnold, A.S., Piazza, S.J. Graphics-based modeling and analysis of gait abnormalities. Biomedical Materials and Engineering, 8(3-4):227-240. Download PDF
- Delp, S.L., Stulberg, S.D., Davies, B., Picard, F., Leitner, F. Computer assisted knee replacement. Clinical Orthopaedics and Related Research, 354:49-56. Download PDF
- Piazza, S.J., Delp, S.L., Stulberg, S.D., Stern, S.H. Posterior tilting of the tibial component decreases femoral rollback in posterior‐substituting knee replacement: a computer simulation study. Journal of Orthopaedic Research, 16:264-270. Download PDF
- Buchanan, T.S., Delp, S.L., Solbeck, J.A. Muscular resistance to varus and valgus loads at the elbow. ASME Journal of Biomechanical Engineering, 120:634-639. Download PDF
- Wells, W.M., Colchester, A., Delp, S. (Eds.). Medical Image Computing and Computer-Assisted Intervention, Lecture Notes in Computer Science. Springer-Verlag, 1998.
- Vasavada, A.V., Li, S., Delp, S.L. Influence of muscle morphometry and moment arms on the moment-generating capacity of human neck muscles. 23(4):412-422. Download PDF
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1997
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- Keshner, E.A., Statler, K.D., Delp, S.L. Kinematics of the freely moving head and neck in the alert cat. Experimental Brain Research, 115(2):257-266. Download PDF
- Delp, S.L., Loan, J.P., Basdogan, C., Rosen, J.M. Surgical simulation: An emerging technology for emergency medical training. Presence: Teleoperators and Virtual Environments, 6(2):147-159. Download PDF
- Gonzalez, R.V., Buchanan, T.S., Delp, S.L. How muscle architecture and moment arms affect wrist flexion-extension moments. Journal of Biomechanics, 30:705-712. Download PDF
- Arnold, A.S., Komattu, A.V., Delp, S.L. Internal rotation gait: A compensatory mechanism to restore abduction capacity decreased by bone deformity?. Developmental Medicine and Child Neurology, 39:40-44. Download PDF
- Riewald, S.A., Delp, S.L. The action of the rectus femoris muscle following distal tendon transfer: Does it generate a knee flexion moment?. Developmental Medicine and Child Neurology, 9(2):99-105. Download PDF
- Delp, S.L., Loan, J.P., Robinson, C.B., Stulberg, S.D., Wong, A.Y. Computer Assisted Surgical System US patent No. 5,682,886, 1997. Download PDF
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1996
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- Delp, S.L., Wixson, R.L., Kocmond, J.H, Komattu, A.V. How superior placement of the joint center in total hip arthroplasty affects the abductor muscles. Clinical Orthopaedics and Related Research, 328:137-146. Download PDF
- Delp, S.L., Grierson, A.E., Buchanan, T.S. Maximum Isometric moments generated by the wrist muscles in flexion-extension and radial-ulnar deviation. Journal of Biomechanics, 29(10):1371-1375. Download PDF
- Free, S.A., Delp, S.L. Trochanteric transfer in total hip replacement: effects on the moment arms and force-generating capacities of the hip abductors. Journal of Orthopaedic Research, 14(2):245-250. Download PDF
- Piazza, S.J., Delp S.L. The influence of muscles on knee flexion during the swing phase of gait. Journal of Biomechanics, 29(6):723-733. Download PDF
- Delp, S.L., Arnold, A.S., Speers, R.A., Moore, C. Hamstrings and psoas lengths during normal and crouch gait: implications for muscle-tendon surgery. Journal of Orthopaedic Research, 14(1):144-1451. Download PDF
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1995
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- Delp, S.L., Kocmond, J.H., Stern, S.H. Trade-offs between motion and stability in posterior substituting knee arthroplasty design. Journal of Biomechanics, 28(10):1155-1166. Download PDF
- Delp, S.L., Statler, K., Carroll, N.C. Preserving plantarflexion strength after surgical treatment for contracture of the triceps surae: a computer simulation study. Journal of Orthopaedic Research, 13(1):96-104. Download PDF
- Delp, S.L., Loan, J.P. A graphics-based software system to develop and analyze models of musculoskeletal structures. Computers in Biology and Medicine, 25(1):21-34. Download PDF
- Murray, W.A., Delp, S.L., Buchanan, T.S. Variation of muscle moment arms with elbow and forearm position. Journal of Biomechanics, 28(5):513-525. Download PDF
- Kocmond, J.H., Delp, S.L., Stern, S.H. Stability and range of motion of Insall-Burstein condylar prostheses: A computer simulation study. Journal of Arthroplasty, 10(3):383-388. Download PDF
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1994
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- Delp, S.L., Komattu, A.V., Wixson, R.L. Superior displacement of the hip in total joint replacement: Effects of prosthetic neck length, neck-stem angle, and anteversion angle on the moment-generating capacity of the muscles. Journal of Orthopaedic Research, 12:860-870. Download PDF
- Delp, S.L., Ringwelski, D., Carroll, N.C. Transfer of the rectus femoris: Effects of transfer site on moment arms about the knee and hip. Journal of Biomechanics, 27(10):1201-1211. Download PDF
- Vasavada, A.N., Delp, S.L., Maloney, W.J., Schurman, D.J., Zajac, F.E. Compensating for changes in muscle length in total hip arthroplasty: effects on the moment-generating capacity of the muscles. Clinical Orthopaedics and Related Research, 302:121-133. Download PDF
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1993
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- Delp, S.L., Maloney, W. J. Effects of hip center location on the moment-generating capacity of muscles. Journal of Biomechanics, 26(4-5):485-499. Download PDF
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1992
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- Delp, S.L., Zajac, F.E. Force-and moment-generating capacity of lower-extremity muscles before and after tendon lengthening. Clinical Orthopaedics and Related Research, 284:247-259. Download PDF
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1990
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- Delp, S.L., Bleck E.E., Zajac, F.E., Bollini, G. Biomechanical analysis of the Chiari pelvic osteotomy: Preserving hip abductor strength. Clinical Orthopaedics and Related Research, 254:189-198. Download PDF
- Delp, S.L., Loan, J.P., Hoy, M.G., Zajac, F.E., Topp E.L., Rosen, J.M. An interactive graphics-based model of the lower extremity to study orthopaedic surgical procedures. IEEE Transactions on Biomedical Engineering, 37:757-767. Download PDF
- Delp, S.L. Surgery simulation: A computer-graphics system to analyze and design musculoskeletal reconstructions of the lower limb. Stanford University, Ph.D. Thesis, 1990. Download PDF