{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T00:54:26Z","timestamp":1791075266390,"version":"4.1.0"},"reference-count":42,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2024,3,1]],"date-time":"2024-03-01T00:00:00Z","timestamp":1709251200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2024,3,1]],"date-time":"2024-03-01T00:00:00Z","timestamp":1709251200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2024,2,5]],"date-time":"2024-02-05T00:00:00Z","timestamp":1707091200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100006307","name":"Administration for Community Living","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100006307","id-type":"DOI","asserted-by":"publisher"}]}],"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":[[2024,3]]},"DOI":"10.1016\/j.ptsp.2024.01.008","type":"journal-article","created":{"date-parts":[[2024,2,1]],"date-time":"2024-02-01T20:09:03Z","timestamp":1706818143000},"page":"53-60","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":9,"special_numbering":"C","title":["The NordBord test reveals persistent knee flexor strength asymmetry when assessed two and five years after ACL reconstruction with hamstring tendon autograft"],"prefix":"10.1016","volume":"66","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7852-5603","authenticated-orcid":false,"given":"Johan","family":"H\u00f6gberg","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7586-5293","authenticated-orcid":false,"given":"Ramana","family":"Piussi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebecca","family":"Simonsson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0411-3611","authenticated-orcid":false,"given":"Mathias","family":"Wernbom","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristian","family":"Samuelsson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2801-5373","authenticated-orcid":false,"given":"Roland","family":"Thome\u00e9","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9340-0147","authenticated-orcid":false,"given":"Eric","family":"Hamrin Senorski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"3","key":"10.1016\/j.ptsp.2024.01.008_bib1","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1016\/j.tjem.2018.08.001","article-title":"User's guide to correlation coefficients","volume":"18","author":"Akoglu","year":"2018","journal-title":"Turk J Emerg Med"},{"issue":"11","key":"10.1016\/j.ptsp.2024.01.008_bib2","doi-asserted-by":"crossref","first-page":"3871","DOI":"10.1007\/s00167-021-06443-9","article-title":"ACL Study Group survey reveals the evolution of anterior cruciate ligament reconstruction graft choice over the past three decades","volume":"29","author":"Arnold","year":"2021","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"issue":"1","key":"10.1016\/j.ptsp.2024.01.008_bib3","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1186\/s40634-021-00414-2","article-title":"Validation of an 18-item version of the Swedish Knee Self-Efficacy Scale for patients after ACL injury and ACL reconstruction","volume":"8","author":"Beischer","year":"2021","journal-title":"J Exp Orthop"},{"issue":"10","key":"10.1016\/j.ptsp.2024.01.008_bib4","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pmed.1001885","article-title":"The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statement","volume":"12","author":"Benchimol","year":"2015","journal-title":"PLoS Medicine"},{"key":"10.1016\/j.ptsp.2024.01.008_bib5","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1016\/j.ptsp.2019.03.010","article-title":"Eccentric knee flexor weakness in elite female footballers 1-10 years following anterior cruciate ligament reconstruction","volume":"37","author":"Bourne","year":"2019","journal-title":"Physical Therapy in Sport"},{"issue":"2","key":"10.1016\/j.ptsp.2024.01.008_bib6","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1007\/s40279-017-0796-x","article-title":"An evidence-based Framework for Strengthening exercises to prevent hamstring injury","volume":"48","author":"Bourne","year":"2018","journal-title":"Sports Medicine"},{"issue":"5","key":"10.1016\/j.ptsp.2024.01.008_bib7","doi-asserted-by":"crossref","first-page":"890","DOI":"10.1177\/0363546508330143","article-title":"The reliability, validity, and responsiveness of the Lysholm score and Tegner activity scale for anterior cruciate ligament injuries of the knee: 25 years later","volume":"37","author":"Briggs","year":"2009","journal-title":"The American Journal of Sports Medicine"},{"issue":"7","key":"10.1016\/j.ptsp.2024.01.008_bib8","doi-asserted-by":"crossref","first-page":"870","DOI":"10.1097\/00005768-199607000-00014","article-title":"Selective muscle activation following rapid varus\/valgus perturbations at the knee","volume":"28","author":"Buchanan","year":"1996","journal-title":"Medicine & Science in Sports & Exercise"},{"issue":"2","key":"10.1016\/j.ptsp.2024.01.008_bib9","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1007\/s00421-021-04839-6","article-title":"Increased short interval intracortical inhibition in participants with previous hamstring strain injury","volume":"122","author":"Buhmann","year":"2022","journal-title":"European Journal of Applied Physiology"},{"issue":"1","key":"10.1016\/j.ptsp.2024.01.008_bib10","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1177\/0363546511424134","article-title":"Relationships among tendon regeneration on MRI, flexor strength, and functional performance after anterior cruciate ligament reconstruction with hamstring autograft","volume":"40","author":"Choi","year":"2012","journal-title":"The American Journal of Sports Medicine"},{"issue":"8","key":"10.1016\/j.ptsp.2024.01.008_bib11","doi-asserted-by":"crossref","first-page":"1317","DOI":"10.1016\/j.joca.2016.03.010","article-title":"Knee injury and osteoarthritis outcome score (KOOS): Systematic review and meta-analysis of measurement properties","volume":"24","author":"Collins","year":"2016","journal-title":"Osteoarthritis and Cartilage"},{"issue":"1","key":"10.1016\/j.ptsp.2024.01.008_bib12","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1007\/s00421-003-0933-0","article-title":"Reliability and validity of the Biodex system 3 pro isokinetic dynamometer velocity, torque and position measurements","volume":"91","author":"Drouin","year":"2004","journal-title":"European Journal of Applied Physiology"},{"issue":"6","key":"10.1016\/j.ptsp.2024.01.008_bib13","doi-asserted-by":"crossref","first-page":"650","DOI":"10.1016\/j.arthro.2006.03.010","article-title":"Knee flexor function 2 years after anterior cruciate ligament reconstruction with semitendinosus-gracilis autografts","volume":"22","author":"Elmlinger","year":"2006","journal-title":"Arthroscopy"},{"issue":"7","key":"10.1016\/j.ptsp.2024.01.008_bib14","doi-asserted-by":"crossref","first-page":"298","DOI":"10.2519\/jospt.1990.11.7.298","article-title":"Test-retest reliability of the biodex isokinetic dynamometer","volume":"11","author":"Feiring","year":"1990","journal-title":"Journal of Orthopaedic & Sports Physical Therapy"},{"issue":"7","key":"10.1016\/j.ptsp.2024.01.008_bib15","doi-asserted-by":"crossref","first-page":"559","DOI":"10.1055\/s-0042-100290","article-title":"Individual muscle use in hamstring exercises by Soccer Players assessed using functional MRI","volume":"37","author":"Fernandez-Gonzalo","year":"2016","journal-title":"Int J Sports Med"},{"issue":"4","key":"10.1016\/j.ptsp.2024.01.008_bib16","doi-asserted-by":"crossref","first-page":"e5","DOI":"10.2106\/JBJS.RVW.17.00114","article-title":"Psychometric properties of patient-reported outcome measures for Use in patients with anterior cruciate ligament injuries: A systematic review","volume":"6","author":"Gagnier","year":"2018","journal-title":"JBJS Rev"},{"issue":"8","key":"10.1016\/j.ptsp.2024.01.008_bib17","doi-asserted-by":"crossref","first-page":"778","DOI":"10.1007\/s00167-006-0045-6","article-title":"A test 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"},{"issue":"5","key":"10.1016\/j.ptsp.2024.01.008_bib18","doi-asserted-by":"crossref","first-page":"757","DOI":"10.1016\/j.knee.2018.06.007","article-title":"Self-reported outcomes are associated with knee strength and functional symmetry in individuals who have undergone anterior cruciate ligament reconstruction with hamstring tendon autograft","volume":"25","author":"Harput","year":"2018","journal-title":"The Knee"},{"key":"10.1016\/j.ptsp.2024.01.008_bib19","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/j.ptsp.2022.03.004","article-title":"Persistent knee flexor strength deficits identified through the NordBord eccentric test not seen with \u201cgold standard\u201d isokinetic concentric testing during the first year after anterior cruciate ligament reconstruction with a hamstring tendon autograft","volume":"55","author":"Hogberg","year":"2022","journal-title":"Physical Therapy in Sport: Official Journal of the Association of Chartered Physiotherapists in Sports Medicine"},{"issue":"6","key":"10.1016\/j.ptsp.2024.01.008_bib20","doi-asserted-by":"crossref","first-page":"545","DOI":"10.1016\/S1050-6411(03)00056-7","article-title":"Muscle activation patterns of selected lower extremity muscles during stepping and cutting tasks","volume":"13","author":"Houck","year":"2003","journal-title":"Journal of Electromyography and Kinesiology"},{"issue":"4","key":"10.1016\/j.ptsp.2024.01.008_bib21","doi-asserted-by":"crossref","first-page":"520","DOI":"10.1016\/j.jelekin.2012.03.012","article-title":"Architectural differences between the hamstring muscles","volume":"22","author":"Kellis","year":"2012","journal-title":"Journal of Electromyography and Kinesiology"},{"issue":"4","key":"10.1016\/j.ptsp.2024.01.008_bib22","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0176016","article-title":"Muscle contributions to medial tibiofemoral compartment contact loading following ACL reconstruction using semitendinosus and gracilis tendon grafts","volume":"12","author":"Konrath","year":"2017","journal-title":"PLoS One"},{"issue":"10","key":"10.1016\/j.ptsp.2024.01.008_bib23","doi-asserted-by":"crossref","first-page":"2589","DOI":"10.1177\/0363546516651441","article-title":"Morphologic Characteristics and strength of the hamstring muscles remain altered at 2 Years after Use of a hamstring tendon graft in anterior cruciate ligament reconstruction","volume":"44","author":"Konrath","year":"2016","journal-title":"The American Journal of Sports Medicine"},{"issue":"8","key":"10.1016\/j.ptsp.2024.01.008_bib24","doi-asserted-by":"crossref","first-page":"1904","DOI":"10.1007\/s00167-012-2323-9","article-title":"Short-term functional and clinical outcomes after ACL reconstruction with hamstrings autograft: Transtibial versus anteromedial portal technique","volume":"21","author":"Koutras","year":"2013","journal-title":"Knee Surgery, Sports Traumatology, Arthroscopy"},{"issue":"5","key":"10.1016\/j.ptsp.2024.01.008_bib25","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":"4","key":"10.1016\/j.ptsp.2024.01.008_bib26","doi-asserted-by":"crossref","first-page":"825","DOI":"10.1249\/MSS.0000000000002523","article-title":"Greater hamstrings muscle hypertrophy but Similar Damage Protection after training at long versus short muscle lengths","volume":"53","author":"Maeo","year":"2021","journal-title":"Medicine & Science in Sports & Exercise"},{"issue":"Supplement 2","key":"10.1016\/j.ptsp.2024.01.008_bib27","doi-asserted-by":"crossref","first-page":"S60","DOI":"10.1016\/j.jsams.2019.08.257","article-title":"Hamstring muscle activation and morphology are significantly altered 1 to 6 years after anterior cruciate ligament reconstruction with semitendinosus graft","volume":"22","author":"Messer","year":"2019","journal-title":"Journal of Science and Medicine in Sport"},{"issue":"2","key":"10.1016\/j.ptsp.2024.01.008_bib28","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1177\/036354659302100212","article-title":"Hamstrings--an anterior cruciate ligament protagonist. An in vitro study","volume":"21","author":"More","year":"1993","journal-title":"The American Journal of Sports Medicine"},{"issue":"2","key":"10.1016\/j.ptsp.2024.01.008_bib29","doi-asserted-by":"crossref","first-page":"350","DOI":"10.26603\/001c.21311","article-title":"Comparison of Common methodologies for the Determination of knee flexor muscle strength","volume":"16","author":"Ogborn","year":"2021","journal-title":"Int J Sports Phys Ther"},{"issue":"9","key":"10.1016\/j.ptsp.2024.01.008_bib30","doi-asserted-by":"crossref","first-page":"636","DOI":"10.2519\/jospt.2013.4837","article-title":"A novel device using the Nordic hamstring exercise to assess eccentric knee flexor strength: A reliability and retrospective injury study","volume":"43","author":"Opar","year":"2013","journal-title":"Journal of Orthopaedic & Sports Physical Therapy"},{"issue":"2","key":"10.1016\/j.ptsp.2024.01.008_bib31","doi-asserted-by":"crossref","first-page":"377","DOI":"10.1177\/0363546514556638","article-title":"The effect of previous hamstring strain injuries on the change in eccentric hamstring strength during preseason training in elite Australian footballers","volume":"43","author":"Opar","year":"2015","journal-title":"The American Journal of Sports Medicine"},{"key":"10.1016\/j.ptsp.2024.01.008_bib32","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1186\/1477-7525-1-64","article-title":"The knee injury and osteoarthritis outcome score (KOOS): From joint injury to osteoarthritis","volume":"1","author":"Roos","year":"2003","journal-title":"Health Qual Life Outcomes"},{"issue":"3","key":"10.1016\/j.ptsp.2024.01.008_bib33","doi-asserted-by":"crossref","first-page":"279","DOI":"10.4300\/JGME-D-12-00156.1","article-title":"Using effect size-or why the P value is not Enough","volume":"4","author":"Sullivan","year":"2012","journal-title":"J Grad Med Educ"},{"issue":"6","key":"10.1016\/j.ptsp.2024.01.008_bib34","doi-asserted-by":"crossref","first-page":"1470","DOI":"10.1177\/03635465211003309","article-title":"Biceps femoris compensates for semitendinosus after anterior cruciate ligament reconstruction with a hamstring autograft: A muscle functional magnetic resonance imaging study in Male Soccer Players","volume":"49","author":"Tampere","year":"2021","journal-title":"The American Journal of Sports Medicine"},{"key":"10.1016\/j.ptsp.2024.01.008_bib35","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":"3","key":"10.1016\/j.ptsp.2024.01.008_bib36","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1111\/j.1600-0838.2005.00472.x","article-title":"A new instrument for measuring self-efficacy in patients with an anterior cruciate ligament injury","volume":"16","author":"Thome\u00e9","year":"2006","journal-title":"Scandinavian Journal of Medicine & Science in Sports"},{"issue":"13","key":"10.1016\/j.ptsp.2024.01.008_bib37","doi-asserted-by":"crossref","first-page":"1079","DOI":"10.2106\/JBJS.15.00881","article-title":"Surgical technique Trends in primary ACL reconstruction from 2007 to 2014","volume":"98","author":"Tibor","year":"2016","journal-title":"J Bone Joint Surg Am"},{"issue":"3","key":"10.1016\/j.ptsp.2024.01.008_bib38","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1249\/MSS.0000000000000783","article-title":"Biceps femoris architecture and strength in Athletes with a previous anterior cruciate ligament reconstruction","volume":"48","author":"Timmins","year":"2016","journal-title":"Medicine & Science in Sports & Exercise"},{"issue":"5\u20136","key":"10.1016\/j.ptsp.2024.01.008_bib39","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1007\/BF00236067","article-title":"Length and moment arm of human leg muscles as a function of knee and hip-joint angles","volume":"61","author":"Visser","year":"1990","journal-title":"European Journal of Applied Physiology and Occupational Physiology"},{"issue":"4","key":"10.1016\/j.ptsp.2024.01.008_bib40","doi-asserted-by":"crossref","first-page":"1074","DOI":"10.1007\/s11999-008-0594-8","article-title":"Are current measurements of lower extremity muscle architecture accurate?","volume":"467","author":"Ward","year":"2009","journal-title":"Clinical Orthopaedics and Related Research"},{"key":"10.1016\/j.ptsp.2024.01.008_bib41","doi-asserted-by":"crossref","first-page":"275","DOI":"10.1097\/00003086-198310000-00042","article-title":"Muscle architecture of the human lower limb","volume":"179","author":"Wickiewicz","year":"1983","journal-title":"Clinical Orthopaedics and Related Research"},{"key":"10.1016\/j.ptsp.2024.01.008_bib42","unstructured":"Xbase. The Swedish National knee ligament registry Annual Report 2022."}],"container-title":["Physical Therapy in Sport"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1466853X24000208?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1466853X24000208?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T02:00:20Z","timestamp":1761444020000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1466853X24000208"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,3]]},"references-count":42,"alternative-id":["S1466853X24000208"],"URL":"https:\/\/doi.org\/10.1016\/j.ptsp.2024.01.008","relation":{},"ISSN":["1466-853X"],"issn-type":[{"value":"1466-853X","type":"print"}],"subject":[],"published":{"date-parts":[[2024,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The NordBord test reveals persistent knee flexor strength asymmetry when assessed two and five years after ACL reconstruction with hamstring tendon autograft","name":"articletitle","label":"Article Title"},{"value":"Physical Therapy in Sport","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ptsp.2024.01.008","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2024 The Authors. Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}]}}