{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T15:34:31Z","timestamp":1777390471633,"version":"3.51.4"},"reference-count":47,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2024,5,18]],"date-time":"2024-05-18T00:00:00Z","timestamp":1715990400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"deutsche forschungsgemeinschaft","doi-asserted-by":"publisher","award":["DU 298\/25-1"],"award-info":[{"award-number":["DU 298\/25-1"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002347","name":"bundesministerium f\u00fcr bildung und forschung","doi-asserted-by":"publisher","award":["OVERLOAD-PrevOP, 01 EC1408A"],"award-info":[{"award-number":["OVERLOAD-PrevOP, 01 EC1408A"]}],"id":[{"id":"10.13039\/501100002347","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Am J Sports Med"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>After posterior cruciate ligament reconstruction (PCLR), functional deficits at the knee can persist. It remains unclear if neighboring joints compensate for the knee during demanding activities of daily living.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>To assess long-term alterations in lower limb mechanics in patients after PCLR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Descriptive laboratory study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A total of 28 patients who had undergone single-bundle unilateral isolated or combined PCLR performed stair navigation, squat, sit-to-stand, and stand-to-sit tasks at 8.2 \u00b1 2.2 years after surgery. Motion capture and force plates were used to collect kinematic and kinetic data. Then, 3-dimensional hip, knee, and ankle kinematic data of the reconstructed limb were compared with those of the contralateral limb using statistical parametric mapping.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Side-to-side differences at the knee were primarily found during upward-driven movements at 8 years after surgery. The reconstructed knee exhibited lower internal rotation during the initial loading phase of stair ascent versus the contralateral knee ( P = .005). During the sit-to-stand task, higher flexion angles during the midcycle ( P = .017) and lower external rotation angles ( P = .049) were found in the reconstructed knee; sagittal knee ( P = .001) and hip ( P = .016) moments were lower in the reconstructed limb than the contralateral limb. In downward-driven movements, side-to-side differences were minimal at the knee but prominent at the ankle and hip: during stair descent, the reconstructed ankle exhibited lower dorsiflexion and lower external rotation during the midcycle versus the contralateral ankle ( P = .006 and P = .040, respectively). Frontal hip moments in the reconstructed limb were higher than those in the contralateral limb during the stand-to-sit task ( P = .010); during squats, sagittal hip angles in the reconstructed limb were higher than those in the contralateral limb ( P &lt; .001).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Patients after PCLR exhibited compensations at the hip and ankle during downward-driven movements, such as stair descent, squats, and stand-to-sit. Conversely, residual long-term side-to-side differences at the knee were detected during upward-driven movements such as stair ascent and sit-to-stand.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance:<\/jats:title>\n                    <jats:p>After PCLR, side-to-side differences in biomechanical function were activity-dependent and occurred either at the knee or neighboring joints. When referring to the contralateral limb to assess knee function in the reconstructed limb, concentric, upward-driven movements should be prioritized. Compensations at the hip and ankle during downward-driven movements lead to biases in long-term functional assessments.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03635465241248819","type":"journal-article","created":{"date-parts":[[2024,5,18]],"date-time":"2024-05-18T03:56:01Z","timestamp":1716004561000},"page":"1804-1812","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Activity-Dependent Compensation at the Hip and Ankle at 8 Years After the Reconstruction of Isolated and Combined Posterior Cruciate Ligament Injuries"],"prefix":"10.1177","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9620-5689","authenticated-orcid":false,"given":"Alison N.","family":"Agres","sequence":"first","affiliation":[{"name":"Julius Wolff Institute, Berlin Institute of Health at Charit\u00e9\u2013Universit\u00e4tsmedizin Berlin, Berlin, 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Charit\u00e9\u2013Universit\u00e4tsmedizin Berlin, Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2024,5,18]]},"reference":[{"key":"bibr1-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-016-2454-4"},{"key":"bibr2-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1097\/JSA.0000000000000267"},{"key":"bibr3-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1002\/pri.190"},{"key":"bibr4-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1016\/j.gaitpost.2005.04.012"},{"key":"bibr5-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1177\/03635465211017147"},{"key":"bibr6-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2012.09.005"},{"key":"bibr7-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1016\/j.jtbi.2014.10.020"},{"key":"bibr8-03635465241248819","doi-asserted-by":"publisher","DOI":"10.1016\/S0966-6362(01)00201-6"},{"issue":"2014","key":"bibr9-03635465241248819","volume":"22","author":"Cotofana 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