{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T23:18:55Z","timestamp":1789514335507,"version":"build-2803163510"},"reference-count":32,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,11,20]],"date-time":"2024-11-20T00:00:00Z","timestamp":1732060800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The main purpose was to determine cut\u2010off values for absolute (Q<jats:sub>Nm\/kg<\/jats:sub>) and relative (Q<jats:sub>LSI<\/jats:sub>) isokinetic knee extensor (KE) strength for achieving a patient\u2010acceptable symptom state (PASS) in the Knee injury and Osteoarthritis Outcome Score (KOOS) subscales and for different age groups to determine the association between Q<jats:sub>Nm\/kg<\/jats:sub> and Q<jats:sub>LSI<\/jats:sub> and PASS, at 1 and 3 years after an anterior cruciate ligament reconstruction (ACLR).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>PASS was defined as reaching cut\u2010off values for all KOOS subscales. Data from follow\u2010ups were extracted from a rehabilitation registry. Male and female patients were divided into two age groups based on their age at primary ACLR: 16\u201324 years and 25\u201365 years. Odds Ratios between the Q<jats:sub>Nm\/kg<\/jats:sub> and Q<jats:sub>LSI<\/jats:sub> cut\u2010off values and achieving PASS were calculated. Receiver Operating Characteristic curves were constructed to determine the individual predictive capacity for achieving PASS of Q<jats:sub>Nm\/kg<\/jats:sub> and of Q<jats:sub>LSI<\/jats:sub> using the area under the curve (AUC).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Results from 755 and 145 patients (females\u2009=\u200951% and 52%; preinjury Tegner Activity level \u22656\u2009=\u200982% and 74%) were used in the 1\u2010 and 3\u2010year follow\u2010up analyses. Reaching the cut\u2010off values for the Q<jats:sub>Nm\/kg<\/jats:sub>, ranging between \u22652.1 and \u22652.7, entailed between 2.09 and 5.12 times the odds of achieving PASS, across all groups at the 1\u2010year follow\u2010up. At the 3\u2010year follow\u2010up, the cut\u2010off values of \u22653.4 and \u22652.6Q<jats:sub>Nm\/kg<\/jats:sub> were associated with patients achieving PASS with acceptable accuracy (AUC\u2009=\u20090.700\u20130.780) in 16\u201341 year\u2010old males and females.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>At 1 year after ACLR, patients of both sexes and age groups reaching cut\u2010off values for absolute KE strength had two to five times the odds, that were clinically relevant, to achieve PASS. Acceptable discriminative capacity was found for the absolute KE strength among male and female patients 16\u201324 years old, at 3 years after ACLR.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>Level III.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ksa.12541","type":"journal-article","created":{"date-parts":[[2024,11,20]],"date-time":"2024-11-20T07:30:58Z","timestamp":1732087858000},"page":"2847-2865","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Higher isokinetic quadriceps peak force is associated with a patient\u2010acceptable symptom\u2010state 1 and 3 years after ACL reconstruction"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-2946-8490","authenticated-orcid":false,"given":"Farshad","family":"Ashnai","sequence":"first","affiliation":[{"name":"Department of Orthopaedics, The Institute of Clinical Sciences at Sahlgrenska Academy University of Gothenburg Gothenburg Sweden"},{"name":"Sportrehab Sports Medicine Clinic Gothenburg Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roland","family":"Thome\u00e9","sequence":"additional","affiliation":[{"name":"Sportrehab Sports Medicine Clinic Gothenburg Sweden"},{"name":"Department of Health and Rehabilitation, Unit of Physiotherapy, The Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9340-0147","authenticated-orcid":false,"given":"Eric","family":"Hamrin Senorski","sequence":"additional","affiliation":[{"name":"Sportrehab Sports Medicine Clinic Gothenburg Sweden"},{"name":"Department of Health and Rehabilitation, Unit of Physiotherapy, The Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden"},{"name":"Department of Orthopaedics Sahlgrenska University Hospital M\u00f6lndal Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9075-5073","authenticated-orcid":false,"given":"Susanne","family":"Beischer","sequence":"additional","affiliation":[{"name":"Sportrehab Sports Medicine Clinic Gothenburg Sweden"},{"name":"Department of Health and Rehabilitation, Unit of Physiotherapy, The Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,11,20]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2020.9071"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-017-4747-8"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.h5527"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joca.2016.03.010"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2008.057059"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.RVW.17.00114"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1249\/MSS.0b013e31824d2783"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2016-096031"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1177\/2325967118764317"},{"key":"e_1_2_12_11_1","first-page":"153","volume-title":"Stanley; 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