{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T13:41:24Z","timestamp":1780926084786,"version":"3.54.1"},"reference-count":59,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2023,8,9]],"date-time":"2023-08-09T00:00:00Z","timestamp":1691539200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100020722","name":"Wuhan Sports University","doi-asserted-by":"publisher","award":["20Z01"],"award-info":[{"award-number":["20Z01"]}],"id":[{"id":"10.13039\/100020722","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100020722","name":"Wuhan Sports University","doi-asserted-by":"publisher","award":["21KT14"],"award-info":[{"award-number":["21KT14"]}],"id":[{"id":"10.13039\/100020722","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Sports Health: A Multidisciplinary Approach"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>After anterior cruciate ligament reconstruction (ACLR), single-leg horizontal hop distance limb symmetry index (LSI) &gt;90% is recommended as a cutoff point for safe return to sport (RTS). However, athletes after ACLR have abnormal lower limb biomechanics despite an adequate single-leg hop distance LSI, implying that athletes are at high risk of reinjury. Symmetry of single-leg vertical jump height appears to be more difficult to achieve and can be a better representation of knee function than single-leg horizontal hop distance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Hypothesis:<\/jats:title>\n                    <jats:p>Athletes after ACLR with single-leg jump height LSI &gt;90% had similar biomechanical characteristics to healthy athletes.<\/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>Level of Evidence:<\/jats:title>\n                    <jats:p>Level 3.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A total of 46 athletes after ACLR were divided into low jump height (LJH, jump height LSI &lt;90%, n = 23) and high jump height (HJH, jump height LSI &gt;90%, n = 23) groups according to symmetry of single-leg vertical jump height, while 24 healthy athletes acted as a control (CONT) group. One-way analysis of variance was used to compare the kinematic and kinetic characteristics of the LJH, HJH, and CONT groups during single-leg vertical jump.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Both the LJH and HJH groups demonstrated greater limb asymmetry (lower LSI) during landing compared with the CONT group in knee extension moment ( P &lt; 0.05), peak knee flexion angle ( P &lt; 0.05), and knee power ( P &lt; 0.05).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Symmetry in single-leg vertical jump height does not represent normal lower limb biomechanics in athletes after ACLR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance:<\/jats:title>\n                    <jats:p>Symmetrical jump height may not signify ideal biomechanical or RTS readiness, but single-leg vertical jump test can be used as a supplement to horizontal hop test or other functional tests to reduce the likelihood of false-negative results in the absence of detailed biomechanical evaluation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/19417381231190119","type":"journal-article","created":{"date-parts":[[2023,8,9]],"date-time":"2023-08-09T03:39:05Z","timestamp":1691552345000},"page":"596-605","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["Can Symmetry of Single-Leg Vertical Jump Height Represent Normal Lower Limb Biomechanics of Athletes After Anterior Cruciate Ligament Reconstruction?"],"prefix":"10.1177","volume":"16","author":[{"given":"Peng","family":"Chen","sequence":"first","affiliation":[{"name":"School of Sports Medicine, Wuhan Sports University, Wuhan, Hubei Province, 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