{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T07:29:44Z","timestamp":1786606184247,"version":"build-2736575974"},"reference-count":29,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T00:00:00Z","timestamp":1781827200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,8,12]],"date-time":"2026-08-12T00:00:00Z","timestamp":1786492800000},"content-version":"vor","delay-in-days":54,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Musculoskelet Disord"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To determine the clinical benefits of structured postoperative exercise on muscle strength, patient-reported function, and range of motion after total hip arthroplasty (THA) for osteoarthritis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We searched multiple databases for randomized controlled trials and prospective studies comparing structured exercise versus standard care after primary THA. Pooled effects were calculated using standardized mean differences (SMD) or mean differences (MD) with random\u2011effects models. Subgroup analyses were stratified by follow\u2011up duration (&lt;\u20093 months, 3\u20136 months, &gt;\u200912 months) and assessed limb (operated vs. healthy).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Twenty\u2011two studies (1,782 participants) were included. For hip abduction strength, exercise significantly improved short\u2011term (&lt;\u20093 months; SMD \u20110.78, 95% CI: \u20111.19 to \u20110.36) and mid\u2011term (3\u20136 months; SMD \u20110.69, 95% CI: \u20111.10 to \u20110.29) outcomes, but not long\u2011term (&gt;\u200912 months; SMD \u20110.29, 95% CI: \u20110.75 to 0.17). Hip flexion strength showed no significant effect (SMD 0.10, 95% CI: \u20110.27 to 0.47). The Harris Hip Score improved significantly at 2 weeks (MD \u20114.62), 4 weeks (MD \u20117.67), 6 weeks (MD \u201117.83), and 12 weeks (MD \u20113.05), but the 1\u2011year effect was uncertain (MD \u201117.94, 95% CI: \u201149.13 to 13.25; I\u00b2=99.1%). Hip range of motion analysis was inconclusive (I\u00b2=94.4%). GRADE certainty was moderate for short\u2011\/mid\u2011term hip abduction strength and early HHS improvements, and low to very low for other outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Structured postoperative exercise provides short\u2011 to mid\u2011term improvements in hip abduction strength and early patient\u2011reported function, but long\u2011term efficacy and effects on hip flexion strength remain unconfirmed.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12891-026-10107-5","type":"journal-article","created":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T03:59:15Z","timestamp":1781841555000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Does postoperative exercise after hip arthroplasty improve strength and function? 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