reference.bib

@article{cavagna1976sources,
	title={The sources of external work in level walking and running.},
	author={Cavagna, Giovanni A and Thys, H and Zamboni, A},
	journal={The Journal of physiology},
	volume={262},
	number={3},
	pages={639--657},
	year={1976},
	publisher={Wiley Online Library}
}

@article{bartlett2008changing,
	title={Changing the demand on specific muscle groups affects the walk--run transition speed},
	author={Bartlett, Jamie L and Kram, Rodger},
	journal={Journal of Experimental Biology},
	volume={211},
	number={8},
	pages={1281--1288},
	year={2008},
	publisher={Company of Biologists}
}

@article{abbott1952physiological,
	title={The physiological cost of negative work},
	author={Abbott, BC and Bigland, Brenda and Ritchie, JM},
	journal={The Journal of physiology},
	volume={117},
	number={3},
	pages={380},
	year={1952}
}

@article{rathkey2017people,
	title={People choose to run at their optimal speed},
	author={Rathkey, Joseph K and Wall-Scheffler, Cara M},
	journal={American Journal of Physical Anthropology},
	volume={163},
	number={1},
	pages={85--93},
	year={2017},
	publisher={Wiley Online Library}
}

@article{hoyt1981gait,
	title={Gait and the energetics of locomotion in horses},
	author={Hoyt, Donald F and Taylor, C Richard},
	journal={Nature},
	volume={292},
	number={5820},
	pages={239--240},
	year={1981},
	publisher={Nature Publishing Group UK London}
}

@article{collins2001three,
	title={A three-dimensional passive-dynamic walking robot with two legs and knees},
	author={Collins, Steven H and Wisse, Martijn and Ruina, Andy},
	journal={The International Journal of Robotics Research},
	volume={20},
	number={7},
	pages={607--615},
	year={2001},
	publisher={SAGE Publications}
}

@article{engsberg2006increasing,
	title={Increasing ankle strength to improve gait and function in children with cerebral palsy: a pilot study},
	author={Engsberg, Jack R and Ross, Sandy A and Collins, David R},
	journal={Pediatric Physical Therapy},
	volume={18},
	number={4},
	pages={266--275},
	year={2006},
	publisher={LWW}
}

@article{kuo2002energetics,
	title={Energetics of actively powered locomotion using the simplest walking model},
	author={Kuo, Arthur D},
	journal={J. Biomech. Eng.},
	volume={124},
	number={1},
	pages={113--120},
	year={2002}
}

@article{donelan2002mechanical,
	title={Mechanical work for step-to-step transitions is a major determinant of the metabolic cost of human walking},
	author={Donelan, J Maxwell and Kram, Rodger and Kuo, Arthur D},
	journal={Journal of experimental biology},
	volume={205},
	number={23},
	pages={3717--3727},
	year={2002},
	publisher={Company of Biologists}
}

@article{steele2013muscle,
	title={Muscle contributions to vertical and fore-aft accelerations are altered in subjects with crouch gait},
	author={Steele, Katherine M and Seth, Ajay and Hicks, Jennifer L and Schwartz, Michael H and Delp, Scott L},
	journal={Gait \& posture},
	volume={38},
	number={1},
	pages={86--91},
	year={2013},
	publisher={Elsevier}
}

@article{reinbolt2008importance,
	title={Importance of preswing rectus femoris activity in stiff-knee gait},
	author={Reinbolt, Jeffrey A and Fox, Melanie D and Arnold, Allison S and {\~O}unpuu, Sylvia and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={41},
	number={11},
	pages={2362--2369},
	year={2008},
	publisher={Elsevier}
}

@article{goldberg2004muscles,
	title={Muscles that influence knee flexion velocity in double support: implications for stiff-knee gait},
	author={Goldberg, Saryn R and Anderson, Frank C and Pandy, Marcus G and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={37},
	number={8},
	pages={1189--1196},
	year={2004},
	publisher={Elsevier}
}

@article{liu2008muscle,
	title={Muscle contributions to support and progression over a range of walking speeds},
	author={Liu, May Q and Anderson, Frank C and Schwartz, Michael H and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={41},
	number={15},
	pages={3243--3252},
	year={2008},
	publisher={Elsevier}
}

@article{dorn2015predictive,
	title={Predictive simulation generates human adaptations during loaded and inclined walking},
	author={Dorn, Tim W and Wang, Jack M and Hicks, Jennifer L and Delp, Scott L},
	journal={PloS one},
	volume={10},
	number={4},
	pages={e0121407},
	year={2015},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{ashby2002role,
	title={Role of arm motion in the standing long jump},
	author={Ashby, Blake M and Heegaard, Jean H},
	journal={Journal of biomechanics},
	volume={35},
	number={12},
	pages={1631--1637},
	year={2002},
	publisher={Elsevier}
}

@article{silverman2012muscle,
	title={Muscle and prosthesis contributions to amputee walking mechanics: a modeling study},
	author={Silverman, Anne K and Neptune, Richard R},
	journal={Journal of biomechanics},
	volume={45},
	number={13},
	pages={2271--2278},
	year={2012},
	publisher={Elsevier}
}

@article{delp1990interactive,
	title={An interactive graphics-based model of the lower extremity to study orthopaedic surgical procedures},
	author={Delp, Scott L and Loan, J Peter and Hoy, Melissa G and Zajac, Felix E and Topp, Eric L and Rosen, Joseph M},
	journal={IEEE Transactions on Biomedical engineering},
	volume={37},
	number={8},
	pages={757--767},
	year={1990},
	publisher={IEEE}
}

@article{saul2015benchmarking,
	title={Benchmarking of dynamic simulation predictions in two software platforms using an upper limb musculoskeletal model},
	author={Saul, Katherine R and Hu, Xiao and Goehler, Craig M and Vidt, Meghan E and Daly, Melissa and Velisar, Anca and Murray, Wendy M},
	journal={Computer methods in biomechanics and biomedical engineering},
	volume={18},
	number={13},
	pages={1445--1458},
	year={2015},
	publisher={Taylor \& Francis}
}

@article{cazzola2017cervical,
	title={Cervical spine injuries: a whole-body musculoskeletal model for the analysis of spinal loading},
	author={Cazzola, Dario and Holsgrove, Timothy P and Preatoni, Ezio and Gill, Harinderjit S and Trewartha, Grant},
	journal={PloS one},
	volume={12},
	number={1},
	pages={e0169329},
	year={2017},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{vasavada1998influence,
	title={Influence of muscle morphometry and moment arms on the moment-generating capacity of human neck muscles},
	author={Vasavada, Anita N and Li, Siping and Delp, Scott L},
	journal={Spine},
	volume={23},
	number={4},
	pages={412--422},
	year={1998},
	publisher={LWW}
}

@article{zajac1989determining,
	title={Determining muscle's force and action in multi-articular movement},
	author={Zajac, Felix E and Gordon, Michael E},
	journal={Exercise and sport sciences reviews},
	volume={17},
	number={1},
	pages={187--230},
	year={1989},
	publisher={LWW}
}

@article{zajac1993muscle,
	title={Muscle coordination of movement: a perspective},
	author={Zajac, Felix E},
	journal={Journal of biomechanics},
	volume={26},
	pages={109--124},
	year={1993},
	publisher={Elsevier}
}

@article{anderson2006simulation,
	title={Simulation of walking},
	author={Anderson, FC and Arnold, AS and Pandy, MG and Goldberg, SR and Delp, SL},
	journal={Human walking},
	pages={195--210},
	year={2006},
	publisher={Lippincott Williams \& Wilkins}
}

@article{uchida2016stretching,
	title={Stretching your energetic budget: how tendon compliance affects the metabolic cost of running},
	author={Uchida, Thomas K and Hicks, Jennifer L and Dembia, Christopher L and Delp, Scott L},
	journal={PloS one},
	volume={11},
	number={3},
	pages={e0150378},
	year={2016},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{domalain2017australopithecus,
	title={Was Australopithecus afarensis able to make the Lomekwian stone tools? Towards a realistic biomechanical simulation of hand force capability in fossil hominins and new insights on the role of the fifth digit},
	author={Domalain, Mathieu and Bertin, Anne and Daver, Guillaume},
	journal={Comptes Rendus Palevol},
	volume={16},
	number={5-6},
	pages={572--584},
	year={2017},
	publisher={Elsevier}
}

@article{delp2007opensim,
	title={OpenSim: open-source software to create and analyze dynamic simulations of movement},
	author={Delp, Scott L and Anderson, Frank C and Arnold, Allison S and Loan, Peter and Habib, Ayman and John, Chand T and Guendelman, Eran and Thelen, Darryl G},
	journal={IEEE transactions on biomedical engineering},
	volume={54},
	number={11},
	pages={1940--1950},
	year={2007},
	publisher={IEEE}
}

@article{hicks2015my,
	title={Is my model good enough? Best practices for verification and validation of musculoskeletal models and simulations of movement},
	author={Hicks, Jennifer L and Uchida, Thomas K and Seth, Ajay and Rajagopal, Apoorva and Delp, Scott L},
	journal={Journal of biomechanical engineering},
	volume={137},
	number={2},
	pages={020905},
	year={2015},
	publisher={American Society of Mechanical Engineers}
}

@article{horita1991body,
	title={Body configuration and joint moment analysis during standing long jump in 6-yr-old children and adult males.},
	author={Horita, TOMOKI and Kitamura, Kiyokazu and Kohno, Nobuhiro},
	journal={Medicine and science in sports and exercise},
	volume={23},
	number={9},
	pages={1068--1072},
	year={1991}
}

@article{ong2015simulation,
	title={Simulation-based design for wearable robotic systems: an optimization framework for enhancing a standing long jump},
	author={Ong, Carmichael F and Hicks, Jennifer L and Delp, Scott L},
	journal={IEEE Transactions on Biomedical Engineering},
	volume={63},
	number={5},
	pages={894--903},
	year={2015},
	publisher={IEEE}
}

@article{fregly2007design,
	title={Design of patient-specific gait modifications for knee osteoarthritis rehabilitation},
	author={Fregly, Benjamin J and Reinbolt, Jeffrey A and Rooney, Kelly L and Mitchell, Kim H and Chmielewski, Terese L},
	journal={IEEE Transactions on Biomedical Engineering},
	volume={54},
	number={9},
	pages={1687--1695},
	year={2007},
	publisher={IEEE}
}

@article{shull2013six,
	title={Six-week gait retraining program reduces knee adduction moment, reduces pain, and improves function for individuals with medial compartment knee osteoarthritis},
	author={Shull, Pete B and Silder, Amy and Shultz, Rebecca and Dragoo, Jason L and Besier, Thor F and Delp, Scott L and Cutkosky, Mark R},
	journal={Journal of Orthopaedic Research},
	volume={31},
	number={7},
	pages={1020--1025},
	year={2013},
	publisher={Wiley Online Library}
}

@article{kuo1998least,
	title={A least-squares estimation approach to improving the precision of inverse dynamics computations},
	author={Kuo, Arthur D},
	year={1998}
}

@article{pataky2012gait,
	title={Gait recognition: highly unique dynamic plantar pressure patterns among 104 individuals},
	author={Pataky, Todd C and Mu, Tingting and Bosch, Kerstin and Rosenbaum, Dieter and Goulermas, John Y},
	journal={Journal of The Royal Society Interface},
	volume={9},
	number={69},
	pages={790--800},
	year={2012},
	publisher={The Royal Society}
}

@article{donnelly2012optimizing,
	title={Optimizing whole-body kinematics to minimize valgus knee loading during sidestepping: implications for ACL injury risk},
	author={Donnelly, Cyril J and Lloyd, David Gavin and Elliott, Bruce C and Reinbolt, Jeffrey A},
	journal={Journal of biomechanics},
	volume={45},
	number={8},
	pages={1491--1497},
	year={2012},
	publisher={Elsevier}
}

@article{bates2016motion,
	title={Motion analysis and the anterior cruciate ligament: classification of injury risk},
	author={Bates, Nathaniel A and Hewett, Timothy E},
	journal={The journal of knee surgery},
	volume={29},
	number={02},
	pages={117--125},
	year={2016},
	publisher={Thieme Medical Publishers}
}

@article{thompson2017biomechanical,
	title={Biomechanical effects of an injury prevention program in preadolescent female soccer athletes},
	author={Thompson, Julie A and Tran, Andrew A and Gatewood, Corey T and Shultz, Rebecca and Silder, Amy and Delp, Scott L and Dragoo, Jason L},
	journal={The American journal of sports medicine},
	volume={45},
	number={2},
	pages={294--301},
	year={2017},
	publisher={SAGE Publications Sage CA: Los Angeles, CA}
}

@article{seth2016biomechanical,
	title={A biomechanical model of the scapulothoracic joint to accurately capture scapular kinematics during shoulder movements},
	author={Seth, Ajay and Matias, Ricardo and Veloso, Ant{\'o}nio P and Delp, Scott L},
	journal={PloS one},
	volume={11},
	number={1},
	pages={e0141028},
	year={2016},
	publisher={Public Library of Science San Francisco, CA USA}
}

@misc{wright2006numerical,
	title={Numerical optimization},
	author={Wright, Stephen J},
	year={2006}
}

@article{hernandez2015six,
	title={Six degree-of-freedom measurements of human mild traumatic brain injury},
	author={Hernandez, Fidel and Wu, Lyndia C and Yip, Michael C and Laksari, Kaveh and Hoffman, Andrew R and Lopez, Jaime R and Grant, Gerald A and Kleiven, Svein and Camarillo, David B},
	journal={Annals of biomedical engineering},
	volume={43},
	pages={1918--1934},
	year={2015},
	publisher={Springer}
}

@article{o2020turning,
	title={The turning and barrier course reveals gait parameters for detecting freezing of gait and measuring the efficacy of deep brain stimulation},
	author={O’Day, Johanna and Syrkin-Nikolau, Judy and Anidi, Chioma and Kidzinski, Lukasz and Delp, Scott and Bronte-Stewart, Helen},
	journal={PLoS One},
	volume={15},
	number={4},
	pages={e0231984},
	year={2020},
	publisher={Public Library of Science San Francisco, CA USA}
}

@book{thomson1894popular,
	title={Popular lectures and addresses},
	author={Thomson, William},
	volume={2},
	year={1894},
	publisher={Cambridge University Press}
}

@inproceedings{sherman2013moment,
	title={What is a moment arm? Calculating muscle effectiveness in biomechanical models using generalized coordinates},
	author={Sherman, Michael A and Seth, Ajay and Delp, Scott L},
	booktitle={International design engineering technical conferences and computers and information in engineering conference},
	volume={55973},
	pages={V07BT10A052},
	year={2013},
	organization={American Society of Mechanical Engineers}
}

@article{delp1995graphics,
	title={A graphics-based software system to develop and analyze models of musculoskeletal structures},
	author={Delp, Scott L and Loan, J Peter},
	journal={Computers in biology and medicine},
	volume={25},
	number={1},
	pages={21--34},
	year={1995},
	publisher={Elsevier}
}

@article{buchanan1998muscular,
	title={Muscular resistance to varus and valgus loads at the elbow},
	author={Buchanan, Thomas S and Delp, Scott L and Solbeck, JA},
	year={1998}
}

@article{arnold2006role,
	title={The role of estimating muscle-tendon lengths and velocities of the hamstrings in the evaluation and treatment of crouch gait},
	author={Arnold, Allison S and Liu, May Q and Schwartz, Michael H and Ounpuu, Sylvia and Delp, Scott L},
	journal={Gait \& posture},
	volume={23},
	number={3},
	pages={273--281},
	year={2006},
	publisher={Elsevier}
}

@article{lee2009built,
	title={Built for speed: musculoskeletal structure and sprinting ability},
	author={Lee, Sabrina SM and Piazza, Stephen J},
	journal={Journal of Experimental Biology},
	volume={212},
	number={22},
	pages={3700--3707},
	year={2009},
	publisher={Company of Biologists}
}

@article{murray1995variation,
	title={Variation of muscle moment arms with elbow and forearm position},
	author={Murray, Wendy M and Delp, Scott L and Buchanan, Thomas S},
	journal={Journal of biomechanics},
	volume={28},
	number={5},
	pages={513--525},
	year={1995},
	publisher={Elsevier}
}

@article{an1984determination,
	title={Determination of muscle orientations and moment arms.},
	author={An, Kai-Nan and Takahashi, K and Harrigan, Timothy Patrick and Chao, EY},
	journal={Journal of biomechanical engineering},
	volume={106},
	number={3},
	pages={280--282},
	year={1984}
}

@article{blemker2005three,
	title={Three-dimensional representation of complex muscle architectures and geometries},
	author={Blemker, Silvia S and Delp, Scott L},
	journal={Annals of biomedical engineering},
	volume={33},
	pages={661--673},
	year={2005},
	publisher={Springer}
}

@article{huxley1957muscle,
	title={Muscle structure and theories of contraction},
	author={Huxley, Andrew F},
	journal={Progress in biophysics and biophysical chemistry},
	volume={7},
	pages={255--318},
	year={1957},
	publisher={Elsevier}
}

@article{millard2013flexing,
	title={Flexing computational muscle: modeling and simulation of musculotendon dynamics},
	author={Millard, Matthew and Uchida, Thomas and Seth, Ajay and Delp, Scott L},
	journal={Journal of biomechanical engineering},
	volume={135},
	number={2},
	pages={021005},
	year={2013},
	publisher={American Society of Mechanical Engineers}
}

@article{wilkie1956mechanical,
	title={The mechanical properties of muscle},
	author={Wilkie, DR},
	journal={British medical bulletin},
	volume={12},
	number={3},
	pages={177--182},
	year={1956},
	publisher={Oxford University Press}
}

@article{hill1938heat,
	title={The heat of shortening and the dynamic constants of muscle},
	author={Hill, Archibald Vivian},
	journal={Proceedings of the Royal Society of London. Series B-Biological Sciences},
	volume={126},
	number={843},
	pages={136--195},
	year={1938},
	publisher={The Royal Society London}
}

@article{llewellyn2008minimally,
	title={Minimally invasive high-speed imaging of sarcomere contractile dynamics in mice and humans},
	author={Llewellyn, Michael E and Barretto, Robert PJ and Delp, Scott L and Schnitzer, Mark J},
	journal={Nature},
	volume={454},
	number={7205},
	pages={784--788},
	year={2008},
	publisher={Nature Publishing Group UK London}
}

@article{lieber1984sarcomere,
	title={Sarcomere length determination using laser diffraction. Effect of beam and fiber diameter},
	author={Lieber, RICHARD L and Yeh, Yin and Baskin, RONALD J},
	journal={Biophysical journal},
	volume={45},
	number={5},
	pages={1007--1016},
	year={1984},
	publisher={Elsevier}
}

@article{zajac1989muscle,
	title={Muscle and tendon: properties, models, scaling, and application to biomechanics and motor control.},
	author={Zajac, Felix E},
	journal={Critical reviews in biomedical engineering},
	volume={17},
	number={4},
	pages={359--411},
	year={1989}
}

@book{lieber2002skeletal,
	title={Skeletal muscle structure, function, and plasticity},
	author={Lieber, Richard L},
	year={2002},
	publisher={Lippincott Williams \& Wilkins}
}

@article{llewellyn2010orderly,
	title={Orderly recruitment of motor units under optical control in vivo},
	author={Llewellyn, Michael E and Thompson, Kimberly R and Deisseroth, Karl and Delp, Scott L},
	journal={Nature medicine},
	volume={16},
	number={10},
	pages={1161--1165},
	year={2010},
	publisher={Nature Publishing Group US New York}
}

@article{gregory2005recruitment,
	title={Recruitment patterns in human skeletal muscle during electrical stimulation},
	author={Gregory, Chris M and Bickel, C Scott},
	journal={Physical therapy},
	volume={85},
	number={4},
	pages={358--364},
	year={2005},
	publisher={Oxford University Press}
}

@article{henneman1965functional,
	title={Functional significance of cell size in spinal motoneurons},
	author={Henneman, Elwood and Somjen, George and Carpenter, David O},
	journal={Journal of neurophysiology},
	volume={28},
	number={3},
	pages={560--580},
	year={1965}
}

@article{gordon1966variation,
	title={The variation in isometric tension with sarcomere length in vertebrate muscle fibres},
	author={Gordon, Albert M and Huxley, Andrew F and Julian, Fred J},
	journal={The Journal of physiology},
	volume={184},
	number={1},
	pages={170--192},
	year={1966},
	publisher={Wiley Online Library}
}

@article{dorn2012muscular,
	title={Muscular strategy shift in human running: dependence of running speed on hip and ankle muscle performance},
	author={Dorn, Tim W and Schache, Anthony G and Pandy, Marcus G},
	journal={Journal of Experimental Biology},
	volume={215},
	number={11},
	pages={1944--1956},
	year={2012},
	publisher={Company of Biologists}
}

@article{geyer2006compliant,
	title={Compliant leg behaviour explains basic dynamics of walking and running},
	author={Geyer, Hartmut and Seyfarth, Andre and Blickhan, Reinhard},
	journal={Proceedings of the Royal Society B: Biological Sciences},
	volume={273},
	number={1603},
	pages={2861--2867},
	year={2006},
	publisher={The Royal Society London}
}

@article{alexander1984walking,
	title={Walking and running: Legs and leg movements are subtly adapted to minimize the energy costs of locomotion},
	author={Alexander, R McNeill},
	journal={American Scientist},
	volume={72},
	number={4},
	pages={348--354},
	year={1984},
	publisher={JSTOR}
}

@article{kulmala2018running,
	title={Running in highly cushioned shoes increases leg stiffness and amplifies impact loading},
	author={Kulmala, Juha-Pekka and Kosonen, Jukka and Nurminen, Jussi and Avela, Janne},
	journal={Scientific reports},
	volume={8},
	number={1},
	pages={1--7},
	year={2018},
	publisher={Nature Publishing Group}
}

@article{silder2015running,
	title={Running with a load increases leg stiffness},
	author={Silder, Amy and Besier, Thor and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={48},
	number={6},
	pages={1003--1008},
	year={2015},
	publisher={Elsevier}
}

@article{farley1993running,
	title={Running springs: speed and animal size},
	author={Farley, Claire T and Glasheen, James and McMahon, Thomas A},
	journal={Journal of experimental Biology},
	volume={185},
	number={1},
	pages={71--86},
	year={1993},
	publisher={The Company of Biologists Ltd}
}

@article{hoogkamer2018comparison,
	title={A comparison of the energetic cost of running in marathon racing shoes},
	author={Hoogkamer, Wouter and Kipp, Shalaya and Frank, Jesse H and Farina, Emily M and Luo, Geng and Kram, Rodger},
	journal={Sports Medicine},
	volume={48},
	number={4},
	pages={1009--1019},
	year={2018},
	publisher={Springer}
}

@book{mcmahon1984muscles,
	title={Muscles, reflexes, and locomotion},
	author={McMahon, Thomas A},
	year={1984},
	publisher={Princeton University Press}
}

@article{mcmahon1979influence,
	title={The influence of track compliance on running},
	author={McMahon, Thomas A and Greene, Peter R},
	journal={Journal of biomechanics},
	volume={12},
	number={12},
	pages={893--904},
	year={1979},
	publisher={Elsevier}
}

@article{wingerson1983lion,
	title={The lion, the spring and the pendulum},
	author={Wingerson, L},
	journal={New Scientist},
	volume={97},
	number={1342},
	pages={236--239},
	year={1983},
	publisher={NEW SCIENTIST PUBL EXPEDITING INC 200 MEACHAM AVE, ELMONT, NY 11003}
}

@inproceedings{raibert1984machines,
	title={Machines that walk},
	author={Raibert, Marc H and Brown, H Benjamin and Murthy, Seshashayee S},
	booktitle={Robotics and Artificial Intelligence},
	pages={345--364},
	year={1984},
	organization={Springer}
}

@article{dawson1977kangaroos,
	title={Kangaroos},
	author={Dawson, TJ},
	journal={Scientific American},
	volume={237},
	number={2},
	pages={78--89},
	year={1977},
	publisher={JSTOR}
}

@article{yong2014differences,
	title={Differences in muscle activity between natural forefoot and rearfoot strikers during running},
	author={Yong, Jennifer R and Silder, Amy and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={47},
	number={15},
	pages={3593--3597},
	year={2014},
	publisher={Elsevier}
}

@article{fox2009mechanisms,
	title={Mechanisms of improved knee flexion after rectus femoris transfer surgery},
	author={Fox, Melanie D and Reinbolt, Jeffrey A and {\~O}unpuu, Sylvia and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={42},
	number={5},
	pages={614--619},
	year={2009},
	publisher={Elsevier}
}

@article{steele2012compressive,
	title={Compressive tibiofemoral force during crouch gait},
	author={Steele, Katherine M and DeMers, Matthew S and Schwartz, Michael H and Delp, Scott L},
	journal={Gait \& posture},
	volume={35},
	number={4},
	pages={556--560},
	year={2012},
	publisher={Elsevier}
}

@article{rajagopal2016full,
	title={Full-body musculoskeletal model for muscle-driven simulation of human gait},
	author={Rajagopal, Apoorva and Dembia, Christopher L and DeMers, Matthew S and Delp, Denny D and Hicks, Jennifer L and Delp, Scott L},
	journal={IEEE transactions on biomedical engineering},
	volume={63},
	number={10},
	pages={2068--2079},
	year={2016},
	publisher={IEEE}
}

@article{collins2009dynamic,
	title={Dynamic arm swinging in human walking},
	author={Collins, Steven H and Adamczyk, Peter G and Kuo, Arthur D},
	journal={Proceedings of the Royal Society B: Biological Sciences},
	volume={276},
	number={1673},
	pages={3679--3688},
	year={2009},
	publisher={The Royal Society}
}

@article{kuo2010dynamic,
	title={Dynamic principles of gait and their clinical implications},
	author={Kuo, Arthur D and Donelan, J Maxwell},
	journal={Physical therapy},
	volume={90},
	number={2},
	pages={157--174},
	year={2010},
	publisher={Oxford University Press}
}

@article{mcgeer1990passive,
	title={Passive dynamic walking},
	author={McGeer, Tad},
	journal={The international journal of robotics research},
	volume={9},
	number={2},
	pages={62--82},
	year={1990},
	publisher={Sage Publications Sage CA: Thousand Oaks, CA}
}

@article{martin1992effects,
	title={Effects of age and physical activity status on the speed-aerobic demand relationship of walking},
	author={Martin, Philip E and Rothstein, Debra E and Larish, Douglas D},
	journal={Journal of applied physiology},
	volume={73},
	number={1},
	pages={200--206},
	year={1992}
}

@article{browning2006effects,
	title={Effects of obesity and sex on the energetic cost and preferred speed of walking},
	author={Browning, Raymond C and Baker, Emily A and Herron, Jessica A and Kram, Rodger},
	journal={Journal of applied physiology},
	volume={100},
	number={2},
	pages={390--398},
	year={2006},
	publisher={American Physiological Society}
}

@article{ralston1958energy,
	title={Energy-speed relation and optimal speed during level walking},
	author={Ralston, Henry J},
	journal={Internationale Zeitschrift f{\"u}r Angewandte Physiologie Einschliesslich Arbeitsphysiologie},
	volume={17},
	number={4},
	pages={277--283},
	year={1958},
	publisher={Springer}
}

@article{mochon1980ballistic,
	title={Ballistic walking},
	author={Mochon, Simon and McMahon, Thomas A},
	journal={Journal of biomechanics},
	volume={13},
	number={1},
	pages={49--57},
	year={1980},
	publisher={Elsevier}
}

@article{seth2018opensim,
	title={OpenSim: Simulating musculoskeletal dynamics and neuromuscular control to study human and animal movement},
	author={Seth, Ajay and Hicks, Jennifer L and Uchida, Thomas K and Habib, Ayman and Dembia, Christopher L and Dunne, James J and Ong, Carmichael F and DeMers, Matthew S and Rajagopal, Apoorva and Millard, Matthew and others},
	journal={PLoS computational biology},
	volume={14},
	number={7},
	pages={e1006223},
	year={2018},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{christophy2012musculoskeletal,
	title={A musculoskeletal model for the lumbar spine},
	author={Christophy, Miguel and Faruk Senan, Nur Adila and Lotz, Jeffrey C and O’Reilly, Oliver M},
	journal={Biomechanics and modeling in mechanobiology},
	volume={11},
	pages={19--34},
	year={2012},
	publisher={Springer}
}

@article{demers2017preparatory,
	title={Preparatory co-activation of the ankle muscles may prevent ankle inversion injuries},
	author={DeMers, Matthew S and Hicks, Jennifer L and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={52},
	pages={17--23},
	year={2017},
	publisher={Elsevier}
}

@article{homayouni2015modeling,
	title={Modeling implantable passive mechanisms for modifying the transmission of forces and movements between muscle and tendons},
	author={Homayouni, Taymaz and Underwood, Kelsey N and Beyer, Kamin C and Martin, Elon R and Allan, Christopher H and Balasubramanian, Ravi},
	journal={IEEE Transactions on Biomedical Engineering},
	volume={62},
	number={9},
	pages={2208--2214},
	year={2015},
	publisher={IEEE}
}

@article{rankin2016inferring,
	title={Inferring muscle functional roles of the ostrich pelvic limb during walking and running using computer optimization},
	author={Rankin, Jeffery W and Rubenson, Jonas and Hutchinson, John R},
	journal={Journal of the Royal Society Interface},
	volume={13},
	number={118},
	pages={20160035},
	year={2016},
	publisher={The Royal Society}
}

@article{jakicic2016effect,
	title={Effect of wearable technology combined with a lifestyle intervention on long-term weight loss: the IDEA randomized clinical trial},
	author={Jakicic, John M and Davis, Kelliann K and Rogers, Renee J and King, Wendy C and Marcus, Marsha D and Helsel, Diane and Rickman, Amy D and Wahed, Abdus S and Belle, Steven H},
	journal={Jama},
	volume={316},
	number={11},
	pages={1161--1171},
	year={2016},
	publisher={American Medical Association}
}

@article{learning2018learning,
	title={Learning to Run Challenge: Synthesizing Physiologically Accurate Motion Using},
	author={Learning, Deep Reinforcement},
	journal={The NIPS'17 Competition: Building Intelligent Systems},
	pages={101},
	year={2018},
	publisher={Springer}
}

@article{rajagopal2020pre,
	title={Pre-operative gastrocnemius lengths in gait predict outcomes following gastrocnemius lengthening surgery in children with cerebral palsy},
	author={Rajagopal, Apoorva and Kidzi{\'n}ski, {\L}ukasz and McGlaughlin, Alec S and Hicks, Jennifer L and Delp, Scott L and Schwartz, Michael H},
	journal={PLoS One},
	volume={15},
	number={6},
	pages={e0233706},
	year={2020},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{halilaj2018machine,
	title={Machine learning in human movement biomechanics: Best practices, common pitfalls, and new opportunities},
	author={Halilaj, Eni and Rajagopal, Apoorva and Fiterau, Madalina and Hicks, Jennifer L and Hastie, Trevor J and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={81},
	pages={1--11},
	year={2018},
	publisher={Elsevier}
}

@article{biswas2015sedentary,
	title={Sedentary time and its association with risk for disease incidence, mortality, and hospitalization in adults: a systematic review and meta-analysis},
	author={Biswas, Aviroop and Oh, Paul I and Faulkner, Guy E and Bajaj, Ravi R and Silver, Michael A and Mitchell, Marc S and Alter, David A},
	journal={Annals of internal medicine},
	volume={162},
	number={2},
	pages={123--132},
	year={2015},
	publisher={American College of Physicians}
}

@incollection{world2010global,
	title={Global recommendations on physical activity for health},
	author={World Health Organization, t and others},
	booktitle={Global recommendations on physical activity for health},
	pages={60--60},
	year={2010}
}

@article{dwivedi2025digital,
	title={Digital Health Market Size, Future Scope, Demands and Projected Industry Growth by 2030},
	author={Dwivedi, Ankit},
	year={2025}
}

@article{hamner2013muscle,
	title={Muscle contributions to fore-aft and vertical body mass center accelerations over a range of running speeds},
	author={Hamner, Samuel R and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={46},
	number={4},
	pages={780--787},
	year={2013},
	publisher={Elsevier}
}

@article{althoff2017large,
	title={Large-scale physical activity data reveal worldwide activity inequality},
	author={Althoff, Tim and Sosi{\v{c}}, Rok and Hicks, Jennifer L and King, Abby C and Delp, Scott L and Leskovec, Jure},
	journal={Nature},
	volume={547},
	number={7663},
	pages={336--339},
	year={2017},
	publisher={Nature Publishing Group UK London}
}

@article{lin2018noninvasive,
	title={Noninvasive neuromodulation in essential tremor demonstrates relief in a sham-controlled pilot trial},
	author={Lin, Peter T and Ross, Erika K and Chidester, Paula and Rosenbluth, Kathryn H and Hamner, Samuel R and Wong, Serena H and Sanger, Terence D and Hallett, Mark and Delp, Scott L},
	journal={Movement Disorders},
	volume={33},
	number={7},
	pages={1182},
	year={2018}
}

@article{simpson2019connecting,
	title={Connecting the legs with a spring improves human running economy},
	author={Simpson, Cole S and Welker, Cara G and Uhlrich, Scott D and Sketch, Sean M and Jackson, Rachel W and Delp, Scott L and Collins, Steve H and Selinger, Jessica C and Hawkes, Elliot W},
	journal={Journal of Experimental Biology},
	volume={222},
	number={17},
	pages={jeb202895},
	year={2019},
	publisher={The Company of Biologists Ltd}
}

@article{lee2017reducing,
	title={Reducing the metabolic cost of running with a tethered soft exosuit},
	author={Lee, Giuk and Kim, J and Panizzolo, FA and Zhou, Yu Meng and Baker, LM and Galiana, I and Malcolm, Philippe and Walsh, CJ},
	journal={Science Robotics},
	volume={2},
	number={6},
	pages={eaan6708},
	year={2017},
	publisher={American Association for the Advancement of Science}
}

@article{umberger2003model,
	title={A model of human muscle energy expenditure},
	author={Umberger, Brian R and Gerritsen, Karin GM and Martin, Philip E},
	journal={Computer methods in biomechanics and biomedical engineering},
	volume={6},
	number={2},
	pages={99--111},
	year={2003},
	publisher={Taylor \& Francis}
}

@article{uchida2016simulating,
	title={Simulating ideal assistive devices to reduce the metabolic cost of running},
	author={Uchida, Thomas K and Seth, Ajay and Pouya, Soha and Dembia, Christopher L and Hicks, Jennifer L and Delp, Scott L},
	journal={PloS one},
	volume={11},
	number={9},
	pages={e0163417},
	year={2016},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{yong2020foot,
	title={Foot strike pattern during running alters muscle-tendon dynamics of the gastrocnemius and the soleus},
	author={Yong, Jennifer R and Dembia, Christopher L and Silder, Amy and Jackson, Rachel W and Fredericson, Michael and Delp, Scott L},
	journal={Scientific Reports},
	volume={10},
	number={1},
	pages={5872},
	year={2020},
	publisher={Nature Publishing Group UK London}
}

@article{lyght2016effects,
	title={Effects of foot strike and step frequency on Achilles tendon stress during running},
	author={Lyght, Michael and Nockerts, Matthew and Kernozek, Thomas W and Ragan, Robert},
	journal={Journal of applied biomechanics},
	volume={32},
	number={4},
	pages={365--372},
	year={2016},
	publisher={Human Kinetics, Inc.}
}

@article{modica2005metabolic,
	title={Metabolic energy and muscular activity required for leg swing in running},
	author={Modica, Jesse R and Kram, Rodger},
	journal={Journal of Applied Physiology},
	volume={98},
	number={6},
	pages={2126--2131},
	year={2005},
	publisher={American Physiological Society}
}

@article{lai2014tendon,
	title={Tendon elastic strain energy in the human ankle plantar-flexors and its role with increased running speed},
	author={Lai, Adrian and Schache, Anthony G and Lin, Yi-Chung and Pandy, Marcus G},
	journal={Journal of Experimental Biology},
	volume={217},
	number={17},
	pages={3159--3168},
	year={2014},
	publisher={Company of Biologists}
}

@article{farris2012human,
	title={Human medial gastrocnemius force--velocity behavior shifts with locomotion speed and gait},
	author={Farris, Dominic James and Sawicki, Gregory S},
	journal={Proceedings of the National Academy of Sciences},
	volume={109},
	number={3},
	pages={977--982},
	year={2012},
	publisher={National Academy of Sciences}
}

@article{weyand2000faster,
	title={Faster top running speeds are achieved with greater ground forces not more rapid leg movements},
	author={Weyand, Peter G and Sternlight, Deborah B and Bellizzi, Matthew J and Wright, Seth},
	journal={Journal of applied physiology},
	volume={89},
	number={5},
	pages={1991--1999},
	year={2000},
	publisher={American Physiological Society Bethesda, MD}
}

@article{arnold2013muscle,
	title={How muscle fiber lengths and velocities affect muscle force generation as humans walk and run at different speeds},
	author={Arnold, Edith M and Hamner, Samuel R and Seth, Ajay and Millard, Matthew and Delp, Scott L},
	journal={Journal of Experimental Biology},
	volume={216},
	number={11},
	pages={2150--2160},
	year={2013},
	publisher={Company of Biologists}
}

@article{hamner2010muscle,
	title={Muscle contributions to propulsion and support during running},
	author={Hamner, Samuel R and Seth, Ajay and Delp, Scott L},
	journal={Journal of biomechanics},
	volume={43},
	number={14},
	pages={2709--2716},
	year={2010},
	publisher={Elsevier}
}

@article{dembia2017simulating,
	title={Simulating ideal assistive devices to reduce the metabolic cost of walking with heavy loads},
	author={Dembia, Christopher L and Silder, Amy and Uchida, Thomas K and Hicks, Jennifer L and Delp, Scott L},
	journal={PloS one},
	volume={12},
	number={7},
	pages={e0180320},
	year={2017},
	publisher={Public Library of Science San Francisco, CA USA}
}

@article{yagnapparatus,
	title={APPARATUS FOR FACILITATING WALKING, RUNNING, AND JUMPING},
	author={YAGN, N}
}

@article{ong2019predicting,
	title={Predicting gait adaptations due to ankle plantarflexor muscle weakness and contracture using physics-based musculoskeletal simulations},
	author={Ong, Carmichael F and Geijtenbeek, Thomas and Hicks, Jennifer L and Delp, Scott L},
	journal={PLoS computational biology},
	volume={15},
	number={10},
	pages={e1006993},
	year={2019},
	publisher={Public Library of Science San Francisco, CA USA}
}