{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T03:57:10Z","timestamp":1784087830803,"version":"3.55.0"},"reference-count":31,"publisher":"National Athletic Trainers' Association","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:sec>\n          <jats:title>Context<\/jats:title>\n          <jats:p>Quadriceps strength is a key outcome for guiding rehabilitation and return to sport-specific activities after anterior cruciate ligament reconstruction (ACLR) surgery.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Objective<\/jats:title>\n          <jats:p>(1) Describe the quadriceps-strength\u2013testing practices and barriers college athletic trainers (ATs) are using and experiencing when returning patients to sport-specific activities after ACLR. (2) Compare testing methods between college ATs working in the National Collegiate Athletic Association (NCAA) Division I setting and other college settings.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Design<\/jats:title>\n          <jats:p>Cross-sectional study.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Setting<\/jats:title>\n          <jats:p>Online survey.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Patients or Other Participants<\/jats:title>\n          <jats:p>Two hundred forty-three full-time collegiate ATs who had primarily overseen\/directed an ACLR rehabilitation in the past 5 years (age = 34.8 \u00b1 10.7 years, length of AT practice = 11.7 \u00b1 9.3 years, NCAA Division I setting = 56%).<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Main Outcome Measure(s)<\/jats:title>\n          <jats:p>Our survey included 4 sections: demographics, general ACLR rehabilitation practices, quadriceps-strength\u2013testing methods and criteria, and quadriceps-strength<jats:bold>\u2013<\/jats:bold>testing barriers.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Results<\/jats:title>\n          <jats:p>Knee-muscle strength was the most common (98%) outcome collegiate ATs used when determining whether an ACLR patient is ready to progress to sport-specific activities. Manual muscle testing was the most used testing method (57%), followed by isokinetic dynamometry (IKD) (48%), repetition maximum testing (35%) and handheld dynamometry (22%). Most ATs (63%\u201364%) used greater than 90% side-to-side symmetry as their return to sport-specific activities criterion. Lack of equipment needed (83%), lack of financial means (28%), and lack of training\/education (20%) were the barriers that most limited ATs use of IKD testing, the gold standard testing method. Compared with ATs in other settings, a greater proportion of ATs working in the NCAA Division I setting used IKD testing (65% vs 28%) and a smaller proportion used manual muscle testing (47% vs 70%).<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Conclusions<\/jats:title>\n          <jats:p>Although almost all college ATs considered knee-muscle strength an important outcome to assess when returning patients to sport-specific activities after ACLR, quadriceps-strength<jats:bold>\u2013<\/jats:bold>testing practices were highly variable among ATs and may be affected by access to necessary resources.<\/jats:p>\n        <\/jats:sec>","DOI":"10.4085\/1062-6050-0378.24","type":"journal-article","created":{"date-parts":[[2024,10,16]],"date-time":"2024-10-16T09:10:32Z","timestamp":1729069832000},"page":"111-118","source":"Crossref","is-referenced-by-count":3,"title":["Quadriceps-Strength\u2013Testing Practices and Barriers During Return to Sport After ACL Reconstruction: A Survey of College Athletic Trainers"],"prefix":"10.4085","volume":"60","author":[{"given":"Reagan","family":"Sellers","sequence":"first","affiliation":[{"name":"Department of Health Professions, James Madison University, Harrisonburg, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kylie","family":"Brincks","sequence":"additional","affiliation":[{"name":"Department of Health Professions, James Madison University, Harrisonburg, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Kuenze","sequence":"additional","affiliation":[{"name":"Department of Kinesiology, University of Virginia, Charlottesville"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Goetschius","sequence":"additional","affiliation":[{"name":"Department of Health Professions, James Madison University, Harrisonburg, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2557","reference":[{"issue":"24","key":"i1938-162X-60-2-111-b01","series-title":"N Engl J Med","first-page":"2341","article-title":"Anterior cruciate ligament tear","volume":"380","author":"Musahl","year":"2019","unstructured":"Musahl\n              V,\n            \n            \n              Karlsson\n              J.\n            \n          \n          Anterior cruciate ligament tear. N Engl J Med. 2019;380(24):2341\u20132348. doi:10.1056\/NEJMcp1805931"},{"issue":"1","key":"i1938-162X-60-2-111-b02","series-title":"Knee Surg Sports Traumatol Arthrosc","first-page":"34","article-title":"Current trends in the anterior cruciate ligament, part II: evaluation, surgical technique, prevention, and rehabilitation","volume":"30","author":"Musahl","year":"2022","unstructured":"Musahl\n              V,\n            \n            \n              Engler\n              ID,\n            \n            \n              Nazzal\n              EM,\n            \n            et al.\n          \n          Current trends in the anterior cruciate ligament, part II: evaluation, surgical technique, prevention, and rehabilitation. 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J Athl Train. 2014;49(6):806\u2013819. doi:10.4085\/1062-6050-49.3.35"},{"issue":"2","key":"i1938-162X-60-2-111-b06","series-title":"Sports Health","first-page":"163","article-title":"Quadriceps strength and volitional activation after anterior cruciate ligament reconstruction: a systematic review and meta-analysis","volume":"11","author":"Lisee","year":"2019","unstructured":"Lisee\n              C,\n            \n            \n              Lepley\n              AS,\n            \n            \n              Birchmeier\n              T,\n            \n            \n              O\u2019Hagan\n              K,\n            \n            \n              Kuenze\n              C.\n            \n          \n          Quadriceps strength and volitional activation after anterior cruciate ligament reconstruction: a systematic review and meta-analysis. Sports Health. 2019;11(2):163\u2013179. doi:10.1177\/1941738118822739"},{"issue":"5","key":"i1938-162X-60-2-111-b07","series-title":"Sports Health","first-page":"758","article-title":"Confidence to return to play after ACL reconstruction: an evaluation of quadriceps strength symmetry and injury mechanism in male athletes","volume":"14","author":"Straub","year":"2022","unstructured":"Straub\n              RK,\n            \n            \n              Della Villa\n              F,\n            \n            \n              Mandelbaum\n              B,\n            \n            \n              Powers\n              CM.\n            \n          \n          Confidence to return to play after ACL reconstruction: an evaluation of quadriceps strength symmetry and injury mechanism in male athletes. Sports Health. 2022;14(5):758\u2013763. doi:10.1177\/19417381211043854"},{"issue":"13","key":"i1938-162X-60-2-111-b08","series-title":"Br J Sports Med","first-page":"804","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","unstructured":"Grindem\n              H,\n            \n            \n              Snyder-Mackler\n              L,\n            \n            \n              Moksnes\n              H,\n            \n            \n              Engebretsen\n              L,\n            \n            \n              Risberg\n              MA.\n            \n          \n          Simple decision rules can reduce reinjury risk by 84% after ACL reconstruction: the Delaware-Oslo ACL Cohort Study. Br J Sports Med. 2016;50(13):804\u2013808. doi:10.1136\/bjsports-2016-096031"},{"issue":"1","key":"i1938-162X-60-2-111-b09","series-title":"J Orthop Res","first-page":"285","article-title":"Return-to-sport quadriceps strength symmetry impacts 5-year cartilage integrity after anterior cruciate ligament reconstruction: a preliminary analysis","volume":"40","author":"Brunst","year":"2022","unstructured":"Brunst\n              C,\n            \n            \n              Ithurburn\n              MP,\n            \n            \n              Zbojniewicz\n              AM,\n            \n            \n              Paterno\n              MV,\n            \n            \n              Schmitt\n              LC.\n            \n          \n          Return-to-sport quadriceps strength symmetry impacts 5-year cartilage integrity after anterior cruciate ligament reconstruction: a preliminary analysis. 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Clin Rehabil. 2005;19(6):662\u2013667. doi:10.1191\/0269215505cr873oa"},{"issue":"5","key":"i1938-162X-60-2-111-b13","series-title":"PM R","first-page":"472","article-title":"Hand-held dynamometry correlation with the gold standard isokinetic dynamometry: a systematic review","volume":"3","author":"Stark","year":"2011","unstructured":"Stark\n              T,\n            \n            \n              Walker\n              B,\n            \n            \n              Phillips\n              JK,\n            \n            \n              Fejer\n              R,\n            \n            \n              Beck\n              R.\n            \n          \n          Hand-held dynamometry correlation with the gold standard isokinetic dynamometry: a systematic review. 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Phys Ther Sport. 2024:167\u2013173. doi:10.1016\/j.ptsp.2024.04.008"},{"issue":"7","key":"i1938-162X-60-2-111-b26","series-title":"J Orthop Sports Phys Ther","first-page":"601","article-title":"Current concepts for anterior cruciate ligament reconstruction: a criterion-based rehabilitation progression","volume":"42","author":"Adams","year":"2012","unstructured":"Adams\n              D,\n            \n            \n              Logerstedt\n              D,\n            \n            \n              Hunter-Giordano\n              A,\n            \n            \n              Axe\n              MJ,\n            \n            \n              Snyder-Mackler\n              L.\n            \n          \n          Current concepts for anterior cruciate ligament reconstruction: a criterion-based rehabilitation progression. J Orthop Sports Phys Ther. 2012;42(7):601\u2013614. doi:10.2519\/jospt.2012.3871"},{"issue":"12","key":"i1938-162X-60-2-111-b27","series-title":"Arthroscopy","first-page":"1697","article-title":"Factors used to determine return to unrestricted sports activities after anterior cruciate ligament reconstruction","volume":"27","author":"Barber-Westin","year":"2011","unstructured":"Barber-Westin\n              SD,\n            \n            \n              Noyes\n              FR.\n            \n          \n          Factors used to determine return to unrestricted sports activities after anterior cruciate ligament reconstruction. 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J Orthop Sports Phys Ther. 2012;42(9):750\u2013759. doi:10.2519\/jospt.2012.4194"},{"issue":"1","key":"i1938-162X-60-2-111-b29","series-title":"Clin Biomech (Bristol)","first-page":"56","article-title":"The effect of insufficient quadriceps strength on gait after anterior cruciate ligament reconstruction","volume":"17","author":"Lewek","year":"2002","unstructured":"Lewek\n              M,\n            \n            \n              Rudolph\n              K,\n            \n            \n              Axe\n              M,\n            \n            \n              Snyder-Mackler\n              L.\n            \n          \n          The effect of insufficient quadriceps strength on gait after anterior cruciate ligament reconstruction. Clin Biomech (Bristol). 2002;17(1):56\u201363. doi:10.1016\/S0268-0033(01)00097-3"},{"issue":"3","key":"i1938-162X-60-2-111-b30","series-title":"Arthritis Care Res (Hoboken)","first-page":"386","article-title":"Association of quadriceps strength symmetry and surgical status with clinical osteoarthritis five years after anterior cruciate ligament rupture","volume":"74","author":"Arhos","year":"2022","unstructured":"Arhos\n              EK,\n            \n            \n              Thoma\n              LM,\n            \n            \n              Grindem\n              H,\n            \n            \n              Logerstedt\n              D,\n            \n            \n              Risberg\n              MA,\n            \n            \n              Snyder\u2010Mackler\n              L.\n            \n          \n          Association of quadriceps strength symmetry and surgical status with clinical osteoarthritis five years after anterior cruciate ligament rupture. Arthritis Care Res (Hoboken). 2022;74(3):386\u2013391. doi:10.1002\/acr.24479"},{"key":"i1938-162X-60-2-111-b31","article-title":"Board of Certification for the Athletic Trainer","author":"BOC certified AT demographics","unstructured":"BOC certified AT demographics\n          . Board of Certification for the Athletic Trainer. April 2024. 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