{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T03:53:23Z","timestamp":1780890803342,"version":"3.54.1"},"reference-count":43,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2025,1,23]],"date-time":"2025-01-23T00:00:00Z","timestamp":1737590400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Am J Sports Med"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Asymmetric landing kinetics 6 months after anterior cruciate ligament reconstruction (ACLR) are associated with higher risk of second anterior cruciate ligament injury. Little is known about landing kinetics after ACLR with an all\u2013soft tissue quadriceps tendon (QT) autograft despite its increasingly common use in young, active patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose\/Hypothesis:<\/jats:title>\n                    <jats:p>The purpose of this study was to compare landing kinetics during a bilateral drop vertical jump (DVJ) 6 months after ACLR in participants who had undergone primary ACLR with a QT or bone\u2013patellar tendon\u2013bone (BTB) autograft. The hypothesis was that patients with a QT autograft will experience more asymmetry during a bilateral DVJ than patients with a BTB autograft 6 months after ACLR. In addition, greater impact force asymmetry will be associated with worse patient-reported outcome measures.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Controlled laboratory study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Participants who underwent primary unilateral ACLR with a QT or BTB autograft between May 2022 and December 2023 were prospectively recruited to undergo DVJ assessment and patient-reported outcome measures 6 months after ACLR. DVJ assessment was completed using force-sensing insoles. Peak impact force, average loading rate, and impulse data were collected at 100 Hz.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Forty-four participants (22 BTB, 22 QT) completed DVJ assessment and International Knee Documentation Committee (IKDC) and Anterior Cruciate Ligament\u2013Return to Sport After Injury (ACL-RSI) surveys at 6 \u00b1 1 months after ACLR. Graft source groups did not differ by age (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .884), sex (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .531), mass (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .872), height (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .572), months since surgery (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .683), or lateral (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .637) or medial (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .416) meniscal tear treatment rate. On average, participants with a QT autograft demonstrated 26.2% greater contralateral limb peak impact force (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .004), 18.4% lower peak impact force limb symmetry index (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .009), 18.5% lower involved limb impulse (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001), and 15.1% lower impulse limb symmetry index (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001) when compared with participants with a BTB autograft. Graft source groups did not differ in IKDC score (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .333) or ACL-RSI score (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .070). Neither IKDC nor ACL-RSI score was strongly associated with any kinetic variables.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion\/Clinical Relevance:<\/jats:title>\n                    <jats:p>Participants with a QT autograft exhibit greater asymmetry in landing kinetics when compared with participants with a BTB autograft 6 months after ACLR, and landing kinetics were not associated with IKDC or ACL-RSI score.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03635465241310400","type":"journal-article","created":{"date-parts":[[2025,1,23]],"date-time":"2025-01-23T04:01:25Z","timestamp":1737604885000},"page":"623-631","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Patients With a Quadriceps Tendon Autograft Demonstrate Greater Asymmetry in Landing Kinetics Than Patients With a Bone\u2013Patellar Tendon\u2013Bone Autograft 6 Months After Anterior Cruciate Ligament Reconstruction"],"prefix":"10.1177","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-6695-1057","authenticated-orcid":false,"given":"Rachel E.","family":"Cherelstein","sequence":"first","affiliation":[{"name":"Inova Sports Medicine, Fairfax, Virginia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9184-4636","authenticated-orcid":false,"given":"Christopher M.","family":"Kuenze","sequence":"additional","affiliation":[{"name":"Inova Sports Medicine, Fairfax, Virginia, USA"},{"name":"Department of Kinesiology, University of Virginia, Charlottesville, Virginia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle C.","family":"Walaszek","sequence":"additional","affiliation":[{"name":"Department of Kinesiology, University of Virginia, Charlottesville, Virginia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emily R.","family":"Brumfield","sequence":"additional","affiliation":[{"name":"Inova Sports Medicine, Fairfax, Virginia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer N.","family":"Lewis","sequence":"additional","affiliation":[{"name":"Inova Sports Medicine, Fairfax, Virginia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Garrison A.","family":"Hughes","sequence":"additional","affiliation":[{"name":"Inova Sports Medicine, Fairfax, Virginia, USA"},{"name":"School of Medicine, University of Virginia, Inova Campus, Fairfax, Virginia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9968-6801","authenticated-orcid":false,"given":"Edward S.","family":"Chang","sequence":"additional","affiliation":[{"name":"Inova Sports Medicine, Fairfax, Virginia, 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