{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T14:09:33Z","timestamp":1775225373283,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2023,3,6]],"date-time":"2023-03-06T00:00:00Z","timestamp":1678060800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81728009"],"award-info":[{"award-number":["81728009"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Single-leg landing is one of the maneuvers that has been linked to non-contact anterior cruciate ligament (ACL) injuries, and wearing knee braces has been shown to reduce ACL injury incidence. The purpose of this study was to determine whether wearing a knee brace has an effect on muscle force during single-leg landings at two heights through musculoskeletal simulation. Eleven healthy male participants, some braced and some non-braced were recruited to perform single-leg landings at 30 cm and 45 cm. We recorded the trajectories and ground reaction forces (GRF) using an eight-camera motion capture system and a force platform. The captured data were imported into the generic musculoskeletal model (Gait2392) in OpenSim. Static optimization was used to calculate the muscle forces. The gluteus minimus, rectus femoris, vastus medialis, vastus lateralis, vastus medialis medial gastrocnemius, lateral gartrocnemius, and soleus muscle forces were all statistically significant different between the braced and non-braced participants. Simultaneously, increasing the landing height significantly affected the gluteus maximums, vastus medialis, and vastus intermedia muscle forces. Our findings imply that wearing a knee brace may alter muscle forces during single-leg landings, preventing ACL injuries. Additionally, research demonstrates that people should avoid landing from heights due to the increased risk of knee injuries.<\/jats:p>","DOI":"10.3390\/ijerph20054652","type":"journal-article","created":{"date-parts":[[2023,3,6]],"date-time":"2023-03-06T06:29:06Z","timestamp":1678084146000},"page":"4652","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["The Effect of a Knee Brace on Muscle Forces during Single-Leg Landings at Two Heights"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7091-0294","authenticated-orcid":false,"given":"Yubin","family":"Wang","sequence":"first","affiliation":[{"name":"School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China"},{"name":"College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 213300, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9197-4959","authenticated-orcid":false,"given":"Haibin","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huidong","family":"Wei","sequence":"additional","affiliation":[{"name":"College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 213300, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4989-4063","authenticated-orcid":false,"given":"Chenxiao","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feijie","family":"Yuan","sequence":"additional","affiliation":[{"name":"School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"326","DOI":"10.2165\/00007256-199112050-00005","article-title":"Biomechanical factors associated with injury during landing in jump sports","volume":"12","author":"Dufek","year":"1991","journal-title":"Sports Med."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1177\/036354659202000219","article-title":"Knee ligament injuries in volleyball players","volume":"20","author":"Ferretti","year":"1992","journal-title":"Am. J. Sports Med."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1097\/JSM.0b013e31811f415b","article-title":"Biomechanical differences between unilateral and bilateral landings from a jump: Gender differences","volume":"17","author":"Pappas","year":"2007","journal-title":"Clin. J. Sport Med."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"141","DOI":"10.5435\/00124635-200005000-00001","article-title":"Noncontact Anterior Cruciate Ligament Injuries: Risk Factors and Prevention Strategies","volume":"8","author":"Griffin","year":"2000","journal-title":"J. Am. Acad. Orthop. Surg."},{"key":"ref_5","first-page":"151","article-title":"The lower extremity biomechanics of single- and double-leg stop-jump tasks","volume":"10","author":"Wang","year":"2011","journal-title":"J. Sport. Sci. Med."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"624","DOI":"10.1016\/j.humov.2010.11.010","article-title":"An investigation of lower extremity energy dissipation strategies during single-leg and double-leg landing based on sagittal and frontal plane biomechanics","volume":"30","author":"Yeow","year":"2011","journal-title":"Hum. Mov. Sci."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"187","DOI":"10.5694\/j.1326-5377.1997.tb140072.x","article-title":"Osteoarthritis of the knee in retired, elite australian rules footballers","volume":"166","author":"Deacon","year":"1997","journal-title":"Med. J. Aust."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"629","DOI":"10.1016\/S0736-0266(01)00050-X","article-title":"Quadriceps protects the anterior cruciate ligament","volume":"19","author":"Bodor","year":"2001","journal-title":"J. Orthop. Res."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1016\/j.jbiomech.2017.06.033","article-title":"The effect of leg dominance and landing height on acl loading among female athletes","volume":"60","author":"Mokhtarzadeh","year":"2017","journal-title":"J. Biomech."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"1178","DOI":"10.1016\/S0736-0266(01)00057-2","article-title":"The gastrocnemius muscle is an antagonist of the anterior cruciate ligament","volume":"19","author":"Fleming","year":"2001","journal-title":"J. Orthop. Res."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1177\/03635465030310021401","article-title":"The soleus muscle acts as an agonist for the anterior cruciate ligament: An in vitro experimental study","volume":"31","author":"Elias","year":"2003","journal-title":"Am. J. Sports Med."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1016\/j.jsams.2013.05.010","article-title":"Associations between lower limb muscle activation strategies and resultant multi-planar knee kinetics during single leg landings","volume":"17","author":"Brown","year":"2014","journal-title":"J. Sci. Med. Sport"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"1913","DOI":"10.1016\/j.jbiomech.2013.04.010","article-title":"Contributions of the soleus and gastrocnemius muscles to the anterior cruciate ligament loading during single-leg landing","volume":"46","author":"Mokhtarzadeh","year":"2013","journal-title":"J. Biomech."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"41","DOI":"10.4103\/2600-9404.324091","article-title":"Effect of knee pad on kicking a ball and gait analysis","volume":"2","author":"Kadirgama","year":"2013","journal-title":"Mov. Health Exerc."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"45","DOI":"10.2991\/jrnal.2018.5.1.11","article-title":"Development of a passively powered knee exoskeleton for squat lifting","volume":"5","author":"Ranaweera","year":"2018","journal-title":"J. Robot. Netw. Artif. Life"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"2020","DOI":"10.1001\/jama.2018.14854","article-title":"The physical activity guidelines for americans","volume":"320","author":"Piercy","year":"2018","journal-title":"JAMA"},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"757","DOI":"10.1109\/10.102791","article-title":"An interactive graphics-based model of the lower extremity to study orthopaedic surgical procedures","volume":"37","author":"Delp","year":"1990","journal-title":"IEEE Trans. Biomed. Eng."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"347","DOI":"10.1007\/s11340-007-9043-y","article-title":"An Alternative Mechanism of Non-contact Anterior Cruciate Ligament Injury During Jump-landing: In-vitro Simulation","volume":"47","author":"Hashemi","year":"2007","journal-title":"Exp. Mech."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1016\/S0966-6362(00)00070-9","article-title":"Symmetry and limb dominance in able-bodied gait: A review","volume":"12","author":"Sadeghi","year":"2000","journal-title":"Gait Posture"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/j.jelekin.2016.11.001","article-title":"Effects of fatigue on lower limb, pelvis and trunk kinematics and muscle activation: Gender differences","volume":"32","author":"Lessi","year":"2017","journal-title":"J. Electromyogr. Kinesiol."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"1940","DOI":"10.1109\/TBME.2007.901024","article-title":"Opensim: Open-source software to create and analyze dynamic simulations of movement","volume":"54","author":"Delp","year":"2007","journal-title":"IEEE Trans. Biomed. Eng."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1080\/10255849908907988","article-title":"A dynamic optimization solution for vertical jumping in three dimensions","volume":"2","author":"Anderson","year":"1999","journal-title":"Comput. Methods Biomech. Biomed. Eng."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1115\/1.1392310","article-title":"Dynamic optimization of human walking","volume":"123","author":"Anderson","year":"2001","journal-title":"J. Biomech. Eng."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0021-9290(89)90179-6","article-title":"A planar model of the knee joint to characterize the knee extensor mechanism","volume":"22","author":"Yamaguchi","year":"1989","journal-title":"J. Biomech."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1016\/S0021-9290(98)00158-4","article-title":"Bone position estimation from skin marker co-ordinates using global optimisation with joint constraints","volume":"32","author":"Lu","year":"1999","journal-title":"J. Biomech."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1016\/0021-9290(81)90035-X","article-title":"A physiologically based criterion of muscle force prediction in locomotion","volume":"14","author":"Crowninshield","year":"1981","journal-title":"J. Biomech."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1177\/036354658901700106","article-title":"Dynamic emg analysis of anterior cruciate deficient legs with and without bracing during cutting","volume":"17","author":"Branch","year":"1989","journal-title":"Am. J. Sports Med."},{"key":"ref_28","first-page":"566","article-title":"The immediate effect of knee brace on the activity of selected lower limb muscle during stance phase of walking in females with patellofemoral pain syndrome","volume":"20","author":"Salarie","year":"2013","journal-title":"J. Kerman Univ. Med. Sci."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1016\/S0021-9290(00)00155-X","article-title":"Static and dynamic optimization solutions for gait are practically equivalent","volume":"34","author":"Anderson","year":"2001","journal-title":"J. Biomech."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"3347","DOI":"10.1016\/j.jbiomech.2016.08.029","article-title":"Prophylactic knee bracing alters lower-limb muscle forces during a double-leg drop landing","volume":"49","author":"Ewing","year":"2016","journal-title":"J. Biomech."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"208","DOI":"10.2106\/00004623-198264020-00010","article-title":"In vivo rotatory knee stability. Ligamentous and muscular contributions","volume":"64","author":"Shoemaker","year":"1982","journal-title":"J. Bone Jt. Surg."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1016\/1050-6411(91)90035-4","article-title":"Muscular co-contraction: The role of knee stability","volume":"1","author":"Hirokawa","year":"1991","journal-title":"J. Electromyogr. Kinesiol."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1177\/0309364614560940","article-title":"Electromyographic analysis of anterior cruciate deficient knees with and without functional bracing during lunge exercise","volume":"40","author":"Jalali","year":"2014","journal-title":"Prosthetics Orthot. Int."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"376","DOI":"10.1177\/2325967120981641","article-title":"Effect of prophylactic knee bracing on anterior cruciate ligament agonist and antagonist muscle forces during perturbed walking","volume":"9","author":"Haddara","year":"2021","journal-title":"Orthop. J. Sports Med."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1007\/s00167-003-0367-6","article-title":"Compensatory mechanisms in anterior cruciate ligament deficiency","volume":"11","author":"Papadonikolakis","year":"2003","journal-title":"Knee Surg. Sport. Traumatol. Arthrosc."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"1382","DOI":"10.1080\/10255842.2017.1366992","article-title":"Antagonist muscle co-contraction during a double-leg landing maneuver at two heights","volume":"20","author":"Mokhtarzadeh","year":"2017","journal-title":"Comput. Methods Biomech. Biomed. Eng."},{"key":"ref_37","first-page":"134","article-title":"Potential for non-contact acl injury between step-close-jump and hop-jump tasks","volume":"9","author":"Wang","year":"2010","journal-title":"J. Sports Sci. Med."},{"key":"ref_38","first-page":"171","article-title":"Understanding anterior cruciate ligament injury due to drop landing: Effects of different landing techniques and muscle\u2019 action at the knee joint","volume":"Volume 31","author":"Lim","year":"2010","journal-title":"IFMBE Proceedings, Proceedings of the 6th World Congress of Biomechanics (WCB 2010), Singapore, 1\u20136 August 2010"}],"container-title":["International Journal of Environmental Research and Public Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1660-4601\/20\/5\/4652\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T18:48:57Z","timestamp":1760122137000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1660-4601\/20\/5\/4652"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,3,6]]},"references-count":38,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2023,3]]}},"alternative-id":["ijerph20054652"],"URL":"https:\/\/doi.org\/10.3390\/ijerph20054652","relation":{},"ISSN":["1660-4601"],"issn-type":[{"value":"1660-4601","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,3,6]]}}}