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Progress in prevention, rehabilitation, and return\u2010to\u2010sport decision\u2010making is unlikely to come from recombining or modifying them. The question is whether the quantity they capture is unsuitable\u2014calling for a change in what is measured. Muscle\u2010function assessment should match the demand it sets out to capture: non\u2010contact injuries occur when muscles must stabilise a joint and adapt to a rising external load. This adaptive, stabilising control is largely unaddressed by established measures. Shifting the focus from muscle strength to muscle stability\u2014from producing force against a resistance to holding a position while adapting to a rising external load (Adaptive Force)\u2014may bring assessment closer to what actually determines joint protection and clinical outcome.<\/jats:p>","DOI":"10.1002\/ksa.70560","type":"journal-article","created":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T15:20:28Z","timestamp":1785770428000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Muscle function of the lower limb\u2014Do we really test what we are looking for?"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6289-6987","authenticated-orcid":false,"given":"Laura V.","family":"Schaefer","sequence":"first","affiliation":[{"name":"Centre of Orthopaedics and Traumatology University Hospital Brandenburg, Brandenburg Medical School Theodor Fontane Brandenburg an der Havel Germany"},{"name":"Faculty of Health Sciences Joint faculty of University of Potsdam, Brandenburg Medical School Theodor Fontane and Brandenburg Technical University Cottbus\u2010Senftenberg Brandenburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank N.","family":"Bittmann","sequence":"additional","affiliation":[{"name":"Regulative Physiology and Prevention, Department of Sport and Health Sciences University of Potsdam Potsdam Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaali","family":"Ulrich","sequence":"additional","affiliation":[{"name":"Centre of Orthopaedics and Traumatology University Hospital Brandenburg, Brandenburg Medical School Theodor Fontane Brandenburg an der Havel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Prill","sequence":"additional","affiliation":[{"name":"Centre of Orthopaedics and Traumatology University Hospital Brandenburg, Brandenburg Medical School Theodor Fontane Brandenburg an der Havel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roland","family":"Becker","sequence":"additional","affiliation":[{"name":"Centre of Orthopaedics and Traumatology University Hospital Brandenburg, Brandenburg Medical School Theodor Fontane Brandenburg an der Havel Germany"},{"name":"Faculty of Health Sciences Joint faculty of University of Potsdam, Brandenburg Medical School Theodor Fontane and Brandenburg Technical University Cottbus\u2010Senftenberg Brandenburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,3]]},"reference":[{"issue":"1","key":"e_1_2_9_2_1","doi-asserted-by":"crossref","first-page":"20","DOI":"10.1186\/s40798-023-00563-x","article-title":"Epidemiology of football injuries of the German Bundesliga: a media\u2010based, prospective analysis over 7 consecutive seasons","volume":"9","author":"Aus Der F\u00fcnten K","year":"2023","journal-title":"Sports Med Open"},{"issue":"13","key":"e_1_2_9_3_1","doi-asserted-by":"crossref","first-page":"776","DOI":"10.1136\/bjsports-2016-096256","article-title":"Why screening tests to predict injury do not work\u2014and probably never will\u2026: a critical review","volume":"50","author":"Bahr R","year":"2016","journal-title":"Br J Sports Med"},{"issue":"4","key":"e_1_2_9_4_1","doi-asserted-by":"crossref","first-page":"768","DOI":"10.1016\/j.orthres.2003.11.004","article-title":"Neuromuscular quadriceps dysfunction prior to osteoarthritis of the knee","volume":"22","author":"Becker R","year":"2004","journal-title":"J Orthop Res"},{"issue":"1","key":"e_1_2_9_5_1","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1186\/s13102-021-00370-5","article-title":"Which assessments are used to analyze neuromuscular control by electromyography after an anterior cruciate ligament injury to determine readiness to return to sports? 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