{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T15:25:03Z","timestamp":1790781903777,"version":"4.1.0"},"reference-count":36,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2020,9,1]],"date-time":"2020-09-01T00:00:00Z","timestamp":1598918400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,9,1]],"date-time":"2020-09-01T00:00:00Z","timestamp":1598918400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Physical Therapy in Sport"],"published-print":{"date-parts":[[2020,9]]},"DOI":"10.1016\/j.ptsp.2020.06.001","type":"journal-article","created":{"date-parts":[[2020,6,9]],"date-time":"2020-06-09T02:46:27Z","timestamp":1591670787000},"page":"7-13","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":13,"special_numbering":"C","title":["Preoperative quadriceps strength as a predictor of return to sports after anterior cruciate ligament reconstruction in competitive athletes"],"prefix":"10.1016","volume":"45","author":[{"given":"Takuya","family":"Kitaguchi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshinari","family":"Tanaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinya","family":"Takeshita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Akizaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rikio","family":"Takao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazutaka","family":"Kinugasa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuta","family":"Tachibana","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Natsuume","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuji","family":"Horibe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"21","key":"10.1016\/j.ptsp.2020.06.001_bib1","doi-asserted-by":"crossref","first-page":"1543","DOI":"10.1136\/bjsports-2013-093398","article-title":"Fifty-five per cent return to competitive sport following anterior cruciate ligament reconstruction surgery: An updated systematic review and meta-analysis including aspects of physical functioning and contextual factors","volume":"48","author":"Ardern","year":"2014","journal-title":"British Journal of Sports Medicine"},{"issue":"4","key":"10.1016\/j.ptsp.2020.06.001_bib2","doi-asserted-by":"crossref","first-page":"848","DOI":"10.1177\/0363546514563282","article-title":"Sports participation 2 Years after anterior cruciate ligament reconstruction in athletes who had not returned to sport at 1 year","volume":"43","author":"Ardern","year":"2015","journal-title":"The American Journal of Sports Medicine"},{"issue":"3","key":"10.1016\/j.ptsp.2020.06.001_bib3","doi-asserted-by":"crossref","first-page":"538","DOI":"10.1177\/0363546510384798","article-title":"Return to the preinjury level of competitive sport after anterior cruciate ligament reconstruction surgery: Two-thirds of patients have not returned by 12 Months after surgery","volume":"39","author":"Ardern","year":"2011","journal-title":"The American Journal of Sports Medicine"},{"issue":"1","key":"10.1016\/j.ptsp.2020.06.001_bib4","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/j.knee.2018.11.004","article-title":"Knee extensor strength and hop test performance following anterior cruciate ligament reconstruction","volume":"26","author":"Barfod","year":"2019","journal-title":"The Knee"},{"issue":"18","key":"10.1016\/j.ptsp.2020.06.001_bib5","doi-asserted-by":"crossref","first-page":"1154","DOI":"10.1136\/bjsports-2018-099982","article-title":"Which criteria are used to clear patients to return to sport after primary ACL reconstruction? A scoping review","volume":"53","author":"Burgi","year":"2019","journal-title":"British Journal of Sports Medicine"},{"issue":"11","key":"10.1016\/j.ptsp.2020.06.001_bib6","doi-asserted-by":"crossref","first-page":"3461","DOI":"10.1007\/s00167-019-05396-4","article-title":"Only one patient out of five achieves symmetrical knee function 6 months after primary anterior cruciate ligament reconstruction","volume":"27","author":"Cristiani","year":"2019","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"issue":"5","key":"10.1016\/j.ptsp.2020.06.001_bib7","doi-asserted-by":"crossref","first-page":"371","DOI":"10.1136\/bjsm.2008.057059","article-title":"Preoperative quadriceps strength is a significant predictor of knee function two years after anterior cruciate ligament reconstruction","volume":"43","author":"Eitzen","year":"2009","journal-title":"British Journal of Sports Medicine"},{"issue":"4","key":"10.1016\/j.ptsp.2020.06.001_bib8","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1002\/bimj.200410135","article-title":"Estimation of the Youden Index and its associated cutoff point","volume":"47","author":"Fluss","year":"2005","journal-title":"Biometrical Journal. Biometrische Zeitschrift"},{"issue":"1\u20132","key":"10.1016\/j.ptsp.2020.06.001_bib9","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S0167-5877(00)00115-X","article-title":"Principles and practical application of the receiver-operating characteristic analysis for diagnostic tests","volume":"45","author":"Greiner","year":"2000","journal-title":"Preventive Veterinary Medicine"},{"issue":"6","key":"10.1016\/j.ptsp.2020.06.001_bib10","doi-asserted-by":"crossref","first-page":"385","DOI":"10.1136\/bjsports-2014-093891","article-title":"How does a combined preoperative and postoperative rehabilitation programme influence the outcome of ACL reconstruction 2 years after surgery? A comparison between patients in the Delaware-oslo ACL cohort and the Norwegian national knee ligament registry","volume":"49","author":"Grindem","year":"2015","journal-title":"British Journal of Sports Medicine"},{"issue":"8","key":"10.1016\/j.ptsp.2020.06.001_bib11","doi-asserted-by":"crossref","first-page":"778","DOI":"10.1007\/s00167-006-0045-6","article-title":"A\u00a0test battery for evaluating hop performance in patients with an ACL injury and patients who have undergone ACL reconstruction","volume":"14","author":"Gustavsson","year":"2006","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"key":"10.1016\/j.ptsp.2020.06.001_bib12","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.ptsp.2019.10.006","article-title":"Worse knee con fi dence , fear of movement , psychological readiness to return-to-sport and pain are associated with worse function after ACL reconstruction","volume":"41","author":"Hart","year":"2020","journal-title":"Physical Therapy in Sport"},{"issue":"1","key":"10.1016\/j.ptsp.2020.06.001_bib13","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1016\/j.arthro.2006.08.024","article-title":"Functional assessment and muscle strength before and after reconstruction of chronic anterior cruciate ligament lesions","volume":"23","author":"de Jong","year":"2007","journal-title":"Arthroscopy"},{"issue":"9","key":"10.1016\/j.ptsp.2020.06.001_bib14","doi-asserted-by":"crossref","first-page":"2693","DOI":"10.1589\/jpts.27.2693","article-title":"Effects of 4 weeks preoperative exercise on knee extensor strength after anterior cruciate ligament reconstruction","volume":"27","author":"Kim","year":"2015","journal-title":"Journal of Physical Therapy Science"},{"key":"10.1016\/j.ptsp.2020.06.001_bib15","article-title":"Importance of functional performance and psychological readiness for return to preinjury level of sports 1 year after ACL reconstruction in competitive athletes","author":"Kitaguchi","year":"2019","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"issue":"9","key":"10.1016\/j.ptsp.2020.06.001_bib16","first-page":"1560","article-title":"Determinants of patient satisfaction with outcome after anterior cruciate ligament reconstruction","volume":"84-A","author":"Kocher","year":"2002","journal-title":"The Journal of Bone and Joint Surgery. American"},{"key":"10.1016\/j.ptsp.2020.06.001_bib17","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1007\/s00167-004-0591-8","article-title":"Fear of re-injury\u00a0: A hindrance for returning to sports after anterior cruciate ligament reconstruction","volume":"13","author":"Kvist","year":"2005","journal-title":"Knee Surg Sport Traumatol Arthrosc"},{"key":"10.1016\/j.ptsp.2020.06.001_bib18","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.ptsp.2019.01.010","article-title":"Functional performance testing and return to sport criteria in patients after anterior cruciate ligament injury 12 e 18 months after index surgery\u00a0: A cross-sectional observational study","volume":"37","author":"Leister","year":"2019","journal-title":"Physical Therapy in Sport"},{"issue":"2","key":"10.1016\/j.ptsp.2020.06.001_bib19","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1177\/0363546514559707","article-title":"Comparison of physical impairment, functional, and psychosocial measures based on fear of reinjury\/lack of confidence and return-to-sport status after ACL reconstruction","volume":"43","author":"Lentz","year":"2015","journal-title":"The American Journal of Sports Medicine"},{"issue":"12","key":"10.1016\/j.ptsp.2020.06.001_bib20","doi-asserted-by":"crossref","first-page":"914","DOI":"10.2519\/jospt.2014.4852","article-title":"Self-reported knee function can identify athletes who fail return-to-activity criteria up to 1 Year after anterior cruciate ligament reconstruction: A Delaware-oslo ACL cohort study","volume":"44","author":"Logerstedt","year":"2014","journal-title":"Journal of Orthopaedic & Sports Physical Therapy"},{"issue":"3","key":"10.1016\/j.ptsp.2020.06.001_bib21","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1016\/j.knee.2012.07.011","article-title":"Pre-operative quadriceps strength predicts IKDC2000 scores 6months after anterior cruciate ligament reconstruction","volume":"20","author":"Logerstedt","year":"2013","journal-title":"The Knee"},{"issue":"5","key":"10.1016\/j.ptsp.2020.06.001_bib22","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1136\/bjsports-2013-092299","article-title":"Consensus criteria for defining \u201csuccessful outcome\u201d after ACL injury and reconstruction: A Delaware-oslo ACL cohort investigation","volume":"49","author":"Lynch","year":"2015","journal-title":"British Journal of Sports Medicine"},{"issue":"12","key":"10.1016\/j.ptsp.2020.06.001_bib23","doi-asserted-by":"crossref","first-page":"3623","DOI":"10.1007\/s00167-014-3261-5","article-title":"Predictive parameters for return to pre-injury level of sport 6 months following anterior cruciate ligament reconstruction surgery","volume":"23","author":"M\u00fcller","year":"2015","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"issue":"6","key":"10.1016\/j.ptsp.2020.06.001_bib24","doi-asserted-by":"crossref","first-page":"385","DOI":"10.2519\/jospt.2006.2222","article-title":"Rehabilitation after anterior cruciate ligament reconstruction: Criteria-based progression through the return-to-sport phase","volume":"36","author":"Myer","year":"2006","journal-title":"Journal of Orthopaedic & Sports Physical Therapy"},{"issue":"10","key":"10.1016\/j.ptsp.2020.06.001_bib25","doi-asserted-by":"crossref","first-page":"1417","DOI":"10.1007\/s00402-014-1992-x","article-title":"Return to play following ACL reconstruction: A systematic review about strength deficits","volume":"134","author":"Petersen","year":"2014","journal-title":"Archives of Orthopaedic and Trauma Surgery"},{"issue":"9","key":"10.1016\/j.ptsp.2020.06.001_bib26","doi-asserted-by":"crossref","first-page":"2117","DOI":"10.1177\/0363546513493594","article-title":"Effect of prehabilitation on the outcome of anterior cruciate ligament reconstruction","volume":"41","author":"Shaarani","year":"2013","journal-title":"The American Journal of Sports Medicine"},{"issue":"6","key":"10.1016\/j.ptsp.2020.06.001_bib27","doi-asserted-by":"crossref","first-page":"1474","DOI":"10.1177\/0363546503262171","article-title":"Effects of patellar tendon width and preoperative quadriceps strength on strength return after anterior cruciate ligament reconstruction with ipsilateral bone-patellar tendon-bone autograft","volume":"32","author":"Shelbourne","year":"2004","journal-title":"The American Journal of Sports Medicine"},{"issue":"2","key":"10.1016\/j.ptsp.2020.06.001_bib28","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1016\/j.jos.2018.10.007","article-title":"Prediction of quadriceps strength recovery after anterior cruciate ligament reconstruction with a hamstring autograft: Decision tree analysis","volume":"24","author":"Shibata","year":"2019","journal-title":"Journal of Orthopaedic Science"},{"issue":"2","key":"10.1016\/j.ptsp.2020.06.001_bib29","doi-asserted-by":"crossref","first-page":"130","DOI":"10.1053\/j.oto.2004.10.012","article-title":"Anatomic anterior cruciate ligament reconstruction using two double-looped hamstring tendon grafts via twin femoral and triple tibial tunnels","volume":"15","author":"Shino","year":"2005","journal-title":"Operative Techniques in Orthopaedics"},{"issue":"5","key":"10.1016\/j.ptsp.2020.06.001_bib30","doi-asserted-by":"crossref","first-page":"1356","DOI":"10.1007\/s00167-015-3697-2","article-title":"Return to sport: Does excellent 6-month strength and function following ACL reconstruction predict midterm outcomes?","volume":"25","author":"Sousa","year":"2017","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA"},{"key":"10.1016\/j.ptsp.2020.06.001_bib31","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1097\/00003086-198509000-00007","article-title":"Rating systems in the evaluation of knee ligament injuries","volume":"198","author":"Tegner","year":"1985","journal-title":"Clinical Orthopaedics and Related Research"},{"issue":"10","key":"10.1016\/j.ptsp.2020.06.001_bib32","doi-asserted-by":"crossref","first-page":"3213","DOI":"10.1007\/s00167-016-4296-6","article-title":"Factors affecting quadriceps strength recovery after anterior cruciate ligament reconstruction with hamstring autografts in athletes","volume":"25","author":"Ueda","year":"2017","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"key":"10.1016\/j.ptsp.2020.06.001_bib33","article-title":"Longitudinal quadriceps strength recovery after anterior cruciate ligament reconstruction with hamstring autograft: Patients stratified by preoperative quadriceps strength deficit","author":"Ueda","year":"2019","journal-title":"Journal of Sport Rehabilitation"},{"issue":"1","key":"10.1016\/j.ptsp.2020.06.001_bib34","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/j.ptsp.2007.09.003","article-title":"Development and preliminary validation of a scale to measure the psychological impact of returning to sport following anterior cruciate ligament reconstruction surgery","volume":"9","author":"Webster","year":"2008","journal-title":"Physical Therapy in Sport"},{"key":"10.1016\/j.ptsp.2020.06.001_bib35","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1016\/j.ptsp.2019.08.004","article-title":"Progressive strength training restores quadriceps and hamstring muscle strength within 7 months after ACL reconstruction in amateur male soccer players","volume":"40","author":"Welling","year":"2019","journal-title":"Physical Therapy in Sport"},{"issue":"12","key":"10.1016\/j.ptsp.2020.06.001_bib36","doi-asserted-by":"crossref","first-page":"3636","DOI":"10.1007\/s00167-018-4916-4","article-title":"Low rates of patients meeting return to sport criteria 9 months after anterior cruciate ligament reconstruction\u00a0: A prospective longitudinal study","volume":"26","author":"Welling","year":"2018","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"}],"container-title":["Physical Therapy in Sport"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1466853X20304181?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1466853X20304181?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T01:53:30Z","timestamp":1761443610000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1466853X20304181"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,9]]},"references-count":36,"alternative-id":["S1466853X20304181"],"URL":"https:\/\/doi.org\/10.1016\/j.ptsp.2020.06.001","relation":{},"ISSN":["1466-853X"],"issn-type":[{"value":"1466-853X","type":"print"}],"subject":[],"published":{"date-parts":[[2020,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Preoperative quadriceps strength as a predictor of return to sports after anterior cruciate ligament reconstruction in competitive athletes","name":"articletitle","label":"Article Title"},{"value":"Physical Therapy in Sport","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ptsp.2020.06.001","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}