{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T16:44:30Z","timestamp":1792082670079,"version":"4.4.0"},"reference-count":24,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T00:00:00Z","timestamp":1790985600000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J. exp. orthop."],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To characterize long\u2010term patient\u2010reported sports and physical activity after unicompartmental knee arthroplasty (UKA), including participation, weekly volume, perceived exertion, time to resumption, limitations, satisfaction and sex\u2010based differences.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective single\u2010institution study included 150 patients who underwent primary UKA between 2014 and 2022. An 11\u2010item electronic questionnaire administered in 2025 assessed activity at 5 years before UKA, 1 year before UKA, 1 year after UKA and at current follow\u2010up. Current participation was the primary outcome. Historical responses were treated as retrospectively recalled estimates. Mean follow\u2010up was 6.8\u2009\u00b1\u20092.4 years.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Of 190 contactable patients, 150 responded (78.9%). Mean age was 65.1\u2009\u00b1\u200910.9 years. Participation was recalled by 33.3% at 5 years before UKA, 8.0% at 1 year before UKA and 25.3% at 1 year after UKA; 33.3% reported current participation. Among current participants, 74.0% reported &gt;3\u2009h\/week and 48.0% reported moderate\u2010or\u2010higher exertion. Overall, 49.3% resumed activity within 12 months, 42.0% perceived improvement and mean satisfaction was 3.84\u2009\u00b1\u20091.30. Activity\u2010related limitations and long\u2010term restrictions were reported by 75.3% and 30.0%, respectively. Most outcomes were similar between women and men; the fully adjusted association between male sex and improved intensity was not significant (adjusted odds ratio 2.08, 95% confidence interval 0.90\u20134.80).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>At long\u2010term follow\u2010up after UKA, one\u2010third of patients reported current sports or physical activity participation, and most current participants reported &gt;3\u2009h\/week. However, only half resumed activity within 12 months, and residual limitations were common. Historical group\u2010level proportions should not be interpreted as individual return to activity or longitudinal recovery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jeo2.70929","type":"journal-article","created":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T09:02:37Z","timestamp":1791018157000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Physical activity after unicompartmental knee arthroplasty: Long\u2010term participation, activity volume and patient\u2010reported limitations"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7206-4482","authenticated-orcid":false,"given":"Waldo","family":"Gonzalez","sequence":"first","affiliation":[{"name":"Department of Traumatology, Knee and Arthroscopy Unit, Clinica Alemana Universidad del Desarrollo Santiago Chile"},{"name":"Department of Traumatology, Knee and Arthroscopy Unit Hospital Regional de Coyhaique Aysen Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge","family":"Isla","sequence":"additional","affiliation":[{"name":"Department of Traumatology, Knee and Arthroscopy Unit Hospital del Salvador Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Diego","family":"Barba","sequence":"additional","affiliation":[{"name":"Department of Traumatology, Knee and Arthroscopy Unit Hospital Puerta de Hierro Andares Guadalajara Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniela","family":"Erskine","sequence":"additional","affiliation":[{"name":"Service of Physical Medicine and Rehabilitation, Clinica Alemana Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniela","family":"Landea","sequence":"additional","affiliation":[{"name":"Service of Physical Medicine and Rehabilitation, Clinica Alemana Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camila","family":"Tapia","sequence":"additional","affiliation":[{"name":"Service of Physical Medicine and Rehabilitation, Clinica Alemana Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Figueroa","sequence":"additional","affiliation":[{"name":"Department of Traumatology, Knee and Arthroscopy Unit, Clinica Alemana Universidad del Desarrollo Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,3]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12178-023-09839-x"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546520948861"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1249\/00005768-198205000-00012"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2024.02.004"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1302\/2058-5241.2.170037"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1186\/s10195-021-00598-4"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-021-06526-7"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465010290032301"},{"issue":"3","key":"e_1_2_12_10_1","first-page":"254","article-title":"Return to sports activity following UKA and 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