{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T04:57:51Z","timestamp":1788238671761,"version":"build-2803163510"},"reference-count":53,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2025,5,19]],"date-time":"2025-05-19T00:00:00Z","timestamp":1747612800000},"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":["Sports Health: A Multidisciplinary Approach"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Kinetic and kinematic side-to-side limb asymmetries can increase after anterior cruciate ligament reconstruction (ACLR). Limb stiffness asymmetry has not been previously explored.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Hypothesis:<\/jats:title>\n                    <jats:p>Athletes with ACLR will exhibit greater asymmetry in limb stiffness, peak eccentric joint power, and eccentric joint work compared with asymptomatic controls during landing.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Case-control study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>Level 4.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Forty athletes with 5.9 \u00b1 1.4 months removed from ACLR and 40 asymptomatic athletes completed 7 stop-jumps (SJs) during a single session. Three-dimensional motion capture and ground-reaction force data were collected during landing. Normalized symmetry index values for limb stiffness, peak eccentric joint power, and eccentric joint work of athletes with bone-patellar tendon-bone (BPTB) grafts, athletes with hamstring grafts, and control athletes were compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Athletes with ACLR had greater knee power Athletes with ACLR had greater knee power (BPTB, 29.1 \u00b1 17.6; hamstring, 27.3 \u00b1 14.1; Control, 14.2 \u00b1 10.7;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01) and knee work (BPTB, 35.2 \u00b1 21.5; hamstring, 32.1 \u00b1 18.4; Control, 14.9 \u00b1 10.1;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01) asymmetries than control athletes. Athletes with BPTB grafts and hamstring grafts both displayed larger knee power and work asymmetries compared with control athletes (P &lt; 0.01 for each comparison), with no differences between graft types (P = 0.90 and\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.80, respectively). No between-group differences were found in limb stiffness (BPTB, 16.2 \u00b1 10.8; hamstring, 13.5 \u00b1 9.83; Control, 13.9 \u00b1 9.33;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.63), ankle power (BPTB, 16.5 \u00b1 11.4; hamstring, 14.4 \u00b1 13.0; Control, 18.3 \u00b1 14.0;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.55), ankle work (BPTB, 20.9 \u00b1 13.0; hamstring, 17.4 \u00b1 14.9; Control, 18.4 \u00b1 12.8;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.69), hip power (BPTB, 17.6 \u00b1 12.8; hamstring, 19.5 \u00b1 11.3; Control, 13.3 \u00b1 9.08;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.09), or hip work (BPTB, 17.2 \u00b1 13.9; hamstring, 24.6 \u00b1 14.1; Control, 16.2 \u00b1 11.7;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.06) asymmetries.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Athletes with ACLR use asymmetric landing strategies that favor their nonsurgical limb, resulting in greater knee power and knee work asymmetries compared with controls. No between-group asymmetry differences in limb stiffness, ankle power and work, and hip power and work were found.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance:<\/jats:title>\n                    <jats:p>After 5.9 \u00b1 1.4 months removed from ACLR surgery, athletes favor their nonsurgical limb at the knee, risking further injury. While limb stiffness asymmetry was not different between groups, the groups appeared to modulate limb stiffness differently between limbs to produce similar asymmetry values.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/19417381251338218","type":"journal-article","created":{"date-parts":[[2025,5,19]],"date-time":"2025-05-19T11:11:58Z","timestamp":1747653118000},"page":"125-135","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Asymmetry in Limb Stiffness, Joint Power, and Joint Work During Landing in Anterior Cruciate Ligament Reconstruction Patients"],"prefix":"10.1177","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0348-2378","authenticated-orcid":false,"given":"Michael A.","family":"Teater","sequence":"first","affiliation":[{"name":"Kevin Granata Biomechanics Lab, Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Schmitt","sequence":"additional","affiliation":[{"name":"Department of Anthropology, Duke University, Durham, North Carolina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Douglas W.","family":"Powell","sequence":"additional","affiliation":[{"name":"College of Health Sciences, University of Memphis, Memphis, Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5181-9049","authenticated-orcid":false,"given":"Robin M.","family":"Queen","sequence":"additional","affiliation":[{"name":"Kevin Granata Biomechanics Lab, Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,5,19]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005768-200106000-00011"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1050-6411(01)00009-8"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ptsp.2004.02.003"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/0167-9457(89)90020-1"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.3928\/0147-7447-20000601-15"},{"key":"e_1_3_2_7_2","first-page":"661","article-title":"Kinetic asymmetries between forward and drop jump landing tasks","volume":"17","author":"Britto M","year":"2015","unstructured":"Britto M, Franco P, Pappas E, Carpes F. 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