{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T03:39:53Z","timestamp":1792121993847,"version":"4.4.0"},"reference-count":43,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,3,30]],"date-time":"2014-03-30T00:00:00Z","timestamp":1396137600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Foundation for medical research at Ume\u00ef\u00bf\u00bd University"},{"name":"Swedish Scientific Research Council","award":["K2008-70X-20845-01-3"],"award-info":[{"award-number":["K2008-70X-20845-01-3"]}]},{"name":"Ume\u00ef\u00bf\u00bd University (Young Researcher Awardee C H\u00ef\u00bf\u00bdger)"},{"name":"V\u00ef\u00bf\u00bdsterbotten county council"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2014,12]]},"abstract":"<jats:p>The long\u2010term consequences on knee muscle strength some decades after rupture of the anterior cruciate ligament (<jats:styled-content style=\"fixed-case\">ACL<\/jats:styled-content>) are not established. The aims of our study were to examine peak torque more than 20 years after <jats:styled-content style=\"fixed-case\">ACL<\/jats:styled-content> injury and to compare their knee muscle strength to that of healthy controls. We tested 70 individuals with unilateral <jats:styled-content style=\"fixed-case\">ACL<\/jats:styled-content> injury 23\u2009\u00b1\u20092 years after injury, whereof 33 (21 men) were treated with physiotherapy in combination with <jats:styled-content style=\"fixed-case\">ACL<\/jats:styled-content> reconstruction (<jats:styled-content style=\"fixed-case\">ACL<jats:sub>R<\/jats:sub><\/jats:styled-content>) and 37 (23 men) with physiotherapy alone (<jats:styled-content style=\"fixed-case\">ACL<jats:sub>PT<\/jats:sub><\/jats:styled-content>). These were compared with 33 age\u2010 and gender\u2010matched controls (21 men). A <jats:styled-content style=\"fixed-case\">K<\/jats:styled-content>in\u2010<jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>om<jats:sup>\u00ae<\/jats:sup> dynamometer (90\u00b0\/s) was used to measure peak torque in knee flexion and extension in both concentric and eccentric contractions. Knee extension peak torque, concentric <jats:italic>and<\/jats:italic> eccentric, was \u223c10% lower for the injured leg compared with the non\u2010injured leg for both <jats:styled-content style=\"fixed-case\">ACL<jats:sub>R<\/jats:sub><\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) and <jats:styled-content style=\"fixed-case\">ACL<jats:sub>PT<\/jats:sub><\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u2009=\u20090.007; <jats:italic>P<\/jats:italic>\u2009=\u20090.002). The <jats:styled-content style=\"fixed-case\">ACL<jats:sub>PT<\/jats:sub><\/jats:styled-content> group also showed reduced eccentric knee flexion torque of the injured leg (<jats:italic>P<\/jats:italic>\u2009=\u20090.008). The strength of the non\u2010injured leg in both <jats:styled-content style=\"fixed-case\">ACL<\/jats:styled-content> groups was equal to that of controls. No difference was seen for those with no\u2010or\u2010low degree of knee osteoarthritis compared to those with moderate\u2010to\u2010high degree of osteoarthritis. <jats:styled-content style=\"fixed-case\">ACL<\/jats:styled-content> injury may lead to a persistent reduction of peak torque in the injured leg, which needs to be considered across the lifespan.<\/jats:p>","DOI":"10.1111\/sms.12215","type":"journal-article","created":{"date-parts":[[2014,3,31]],"date-time":"2014-03-31T02:56:56Z","timestamp":1396234616000},"source":"Crossref","is-referenced-by-count":56,"title":["Anterior cruciate ligament injury after more than 20 years. <scp>II<\/scp>. Concentric and eccentric knee muscle strength"],"prefix":"10.1111","volume":"24","author":[{"given":"E.","family":"Tengman","sequence":"first","affiliation":[{"name":"Department of Community Medicine and Rehabilitation Section for Physiotherapy Ume\u00e5 University  Ume\u00e5 Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Brax Olofsson","sequence":"additional","affiliation":[{"name":"Department of Surgical and Perioperative Sciences Section for Orthopaedics Ume\u00e5 University  Ume\u00e5 Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. K.","family":"Stensdotter","sequence":"additional","affiliation":[{"name":"Department of Community Medicine and Rehabilitation Section for Physiotherapy Ume\u00e5 University  Ume\u00e5 Sweden"},{"name":"Faculty of Health Education and Social Work Section for Physiotherapy S\u00f8r\u2010Tr\u00f8ndelag University College  Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. G.","family":"Nilsson","sequence":"additional","affiliation":[{"name":"Department of Surgical and Perioperative Sciences Section for Orthopaedics Ume\u00e5 University  Ume\u00e5 Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. K.","family":"H\u00e4ger","sequence":"additional","affiliation":[{"name":"Department of Community Medicine and Rehabilitation Section for Physiotherapy Ume\u00e5 University  Ume\u00e5 Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,3,30]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465980260021201"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1050-6411(02)00022-6"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546507305018"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546510384798"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-004-0518-4"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2004-821342"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-011-1614-x"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.f232"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.humov.2011.04.009"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.2522\/ptj.20070189"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/1050-6411(91)90035-4"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546509350301"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546509350914"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1136\/ard.16.4.494"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ergon.2009.11.003"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1177\/036354659101900113"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546507299238"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2001.31.1.4"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.30.2.161"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1177\/036354658100900201"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0838.2006.00547.x"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-011-1206-x"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2007-964912"},{"issue":"213","key":"e_1_2_8_25_1","first-page":"154","article-title":"A modified technique for anterior cruciate ligament (ACL) surgery using a new drill guide for isometric positioning of the ACL","author":"Odensten M","year":"1986","journal-title":"Clin Orthop Relat Res"},{"key":"e_1_2_8_26_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546510373876"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1002\/acr.20299"},{"key":"e_1_2_8_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.csm.2008.02.001"},{"key":"e_1_2_8_29_1","doi-asserted-by":"crossref","first-page":"330","DOI":"10.47102\/annals-acadmedsg.V37N4p330","article-title":"Isokinetic dynamometry in anterior cruciate ligament injury and reconstruction","volume":"37","author":"Pua YH","year":"2008","journal-title":"Ann Acad Med Singapore"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrrheum.2010.195"},{"key":"e_1_2_8_31_1","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.1998.28.2.88"},{"key":"e_1_2_8_32_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2007.02.006"},{"key":"e_1_2_8_33_1","doi-asserted-by":"publisher","DOI":"10.1177\/036354658701500302"},{"key":"e_1_2_8_34_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-010-1174-6"},{"key":"e_1_2_8_35_1","doi-asserted-by":"publisher","DOI":"10.2165\/00007256-199009020-00006"},{"key":"e_1_2_8_36_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198509000-00007"},{"key":"e_1_2_8_37_1","doi-asserted-by":"publisher","DOI":"10.1111\/sms.12212"},{"key":"e_1_2_8_38_1","doi-asserted-by":"publisher","DOI":"10.1249\/01.MSS.0000150078.79120.C8"},{"key":"e_1_2_8_39_1","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD005316.pub2"},{"key":"e_1_2_8_40_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-003-0377-4"},{"key":"e_1_2_8_41_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2002-29074"},{"key":"e_1_2_8_42_1","doi-asserted-by":"publisher","DOI":"10.1136\/ard.2003.008136"},{"key":"e_1_2_8_43_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00626764"},{"key":"e_1_2_8_44_1","doi-asserted-by":"publisher","DOI":"10.3349\/ymj.1991.32.1.33"}],"container-title":["Scandinavian Journal of Medicine &amp; 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