{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T10:09:57Z","timestamp":1772359797434,"version":"3.50.1"},"reference-count":90,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,2,1]]},"abstract":"Context<\/jats:bold>:<\/jats:italic> Postoperative rehabilitation is critical to optimize outcomes after anterior cruciate ligament reconstruction (ACLR). However, the relationship between physical therapy (PT) and clinical outcomes is unclear. Objective<\/jats:bold>:<\/jats:italic> To describe PT characteristics following ACLR and to assess the relationships between PT characteristics, surgical procedure, and clinical outcomes. Design<\/jats:bold>:<\/jats:italic> Cross-sectional. Setting<\/jats:bold>:<\/jats:italic> Laboratory. Patients (or Other Participants)<\/jats:bold>:<\/jats:italic> A total of 60 patients (31 females\/29 males, age\u2009=\u200922.4 [9.2]\u00a0y, height\u2009=\u2009171.7 [9.9]\u00a0cm, and mass\u2009=\u200970.2 [14.7]\u00a0kg) with a history of primary unilateral ACLR (53.6% patellar tendon and 46.4% hamstring) participated. Intervention(s)<\/jats:bold>:<\/jats:italic> Patients completed a performance assessment and rated subjective knee function prior to physician clearance (mean\u2009=\u20096.3 [1.3]\u00a0mo postoperatively) and were contacted within 6 months of clearance to complete a PT questionnaire. Main Outcome Measures<\/jats:bold>:<\/jats:italic> PT questionnaire item response, knee extension maximum voluntary isometric contraction (MVIC) torque, peak isokinetic knee extension torque, single leg hop distance, and International Knee Documentation Committee were measured. Correlations assessed relationships between PT quantity and clinical outcomes. Independent t<\/jats:italic> tests compared PT quantity and clinical outcomes based on return-to-sport status, readiness to return to sport, and surgical procedure. Results<\/jats:bold>:<\/jats:italic> Patients completed regular PT (2\u00a0d\/wk, 25\u00a0wk, 58 visits) and were most likely to conclude when discharged by the therapist (68.3%). More than half (56.7%) returned to sport, yet most (73.3%) felt unready at discharge. Isokinetic torque was correlated with days of PT\/week (r<\/jats:italic>\u2009=\u2009.29, P<\/jats:italic>\u2009=\u2009.03). Isokinetic torque and hop symmetry were reduced in patients who returned to sport (P<\/jats:italic>\u2009<\u2009.05). Patients who felt ready to return completed fewer weeks of PT (P<\/jats:italic>\u2009<\u2009.05). Patients with a patellar tendon graft completed more days of PT\/week and total visits, but demonstrated lower MVIC torque, MVIC symmetry, and isokinetic symmetry (P<\/jats:italic>\u2009<\u2009.05). Conclusions<\/jats:bold>:<\/jats:italic> Many patients felt unready to return to sport at PT discharge. PT frequency was associated with isokinetic torque, yet this relationship was small. Outcomes were reduced in patients who returned to sport, suggesting premature resumption of preinjury activity.<\/jats:p>","DOI":"10.1123\/jsr.2017-0176","type":"journal-article","created":{"date-parts":[[2017,11,15]],"date-time":"2017-11-15T14:31:03Z","timestamp":1510756263000},"page":"171-179","source":"Crossref","is-referenced-by-count":17,"title":["Relationship Between Physical Therapy Characteristics, Surgical Procedure, and Clinical Outcomes in Patients After ACL Reconstruction"],"prefix":"10.1123","volume":"28","author":[{"given":"Ian J.","family":"Dempsey","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grant E.","family":"Norte","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew","family":"Hall","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John","family":"Goetschius","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lindsay V.","family":"Slater","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jourdan M.","family":"Cancienne","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian C.","family":"Werner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David R.","family":"Diduch","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph M.","family":"Hart","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","reference":[{"key":"ref51","doi-asserted-by":"crossref","first-page":"2586","DOI":"10.1177\/0363546517712952","article-title":"Surgical predictors of clinical outcomes after revision anterior cruciate ligament reconstruction","volume":"45","author":"Group","year":"2017","journal-title":"Am J Sports Med"},{"key":"ref271","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1123\/jsr.2016-0126","article-title":"Relationships of functional tests following ACL reconstruction: exploratory factor analyses of the lower extremity assessment protocol","author":"DiFabio","year":"2018","journal-title":"J Sport Rehabil"},{"key":"ref821","doi-asserted-by":"crossref","first-page":"804","DOI":"10.1136\/bjsports-2016-096031","article-title":"Simple decision rules can reduce reinjury risk by 84% after ACL reconstruction: the Delaware-Oslo ACL cohort study","volume":"50","author":"Grindem","year":"2016","journal-title":"Br J Sports Med"},{"key":"ref861","doi-asserted-by":"crossref","first-page":"729","DOI":"10.1177\/0363546506298277","article-title":"A 6-year follow-up of the effect of graft site on strength, stability, range of motion, function, and joint degeneration after anterior cruciate ligament reconstruction: patellar tendon versus semitendinosus and Gracilis tendon graft","volume":"35","author":"Keays","year":"2007","journal-title":"Am J Sports Med"},{"key":"ref441","doi-asserted-by":"crossref","first-page":"1729","DOI":"10.1007\/s00167-011-1501-5","article-title":"Meniscal repair in anterior cruciate ligament reconstruction: a long-term outcome study","volume":"19","author":"Melton","year":"2011","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"ref181","doi-asserted-by":"crossref","first-page":"2242","DOI":"10.1177\/0363546515591258","article-title":"The influence of quadriceps strength asymmetry on patient-reported function at time of return to sport after anterior cruciate ligament reconstruction","volume":"43","author":"Zwolski","year":"2015","journal-title":"Am J Sports Med"},{"key":"ref451","doi-asserted-by":"crossref","first-page":"597","DOI":"10.1016\/j.csm.2007.06.003","article-title":"Allograft safety in anterior cruciate ligament reconstruction","volume":"26","author":"Cohen","year":"2007","journal-title":"Clin Sports Med"},{"key":"ref891","doi-asserted-by":"crossref","first-page":"1729","DOI":"10.1007\/s00167-011-1501-5","article-title":"Meniscal repair in anterior cruciate ligament reconstruction: a long-term outcome study","volume":"19","author":"Melton","year":"2011","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"ref321","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1177\/1941738115578112","article-title":"Deficits in quadriceps strength and patient-oriented outcomes at return to activity after ACL reconstruction: a review of the current literature","volume":"7","author":"Lepley","year":"2015","journal-title":"Sports Health"},{"key":"ref731","doi-asserted-by":"crossref","first-page":"642","DOI":"10.1136\/bjsports-2014-094094","article-title":"Clinician-friendly lower extremity physical performance measures in athletes: a systematic review of measurement properties and correlation with injury, part 1. 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