{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T17:10:20Z","timestamp":1786122620984,"version":"build-2736575974"},"reference-count":39,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T00:00:00Z","timestamp":1778630400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T00:00:00Z","timestamp":1778630400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Physiotherapy Res Intl"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background and Purpose<\/jats:title>\n                    <jats:p>After total knee arthroplasty (TKA), not everybody gains a sufficient joint mobility. The objective of this study was to investigate the effects of high\u2010frequency (HF) versus low\u2010frequency (LF) self\u2010managed knee flexion exercises in individuals with reduced flexion after a TKA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The study was a randomized controlled trial in adults with a TKA within 6 to 26\u00a0weeks and knee flexion\u00a0\u2264\u00a0105\u00b0 who participated in an 18\u2010day inpatient rehabilitation program. Patients were randomized to additional self\u2010managed HF (eight flexion and extension exercises per day) versus LF (two flexion and extension exercises per day). The primary outcome was knee flexion change. Secondary outcomes were changes of knee extension, Six\u2010Minute Walk Test, 30 Second Chair\u2010Stand Test, pain using Numeric Rating Scale, and Knee Injury and Osteoarthritis Outcome Score.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The participants (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a083) were 65 (SD 8.8) years old and 70% were women. The HF (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a044) and LF (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a039) groups performed knee flexions 5.3 (1.4) and 1.7 (0.3) times\/day, respectively. The flexion increased 14.2 [11.6; 16.7]\u00b0 with HF versus 10.1 [8.6; 11.6]\u00b0 with LF, with 4.1\u00b0 difference between groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.007). Secondary outcomes increased in the two groups without differences between the groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>In individuals with reduced joint mobility after TKA, HF self\u2010managed knee flexion exercises were associated with a positive change in flexion compared with LF, though the between\u2010group difference was smaller than expected.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trail Registration<\/jats:title>\n                    <jats:p>\n                      The study was registered on\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/ClinicalTrials.gov\">ClinicalTrials.gov<\/jats:ext-link>\n                      (NCT06188091)\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/pri.70228","type":"journal-article","created":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T11:09:38Z","timestamp":1778670578000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Efficacy of Active Exercises to Improve Range of Motion in Knee Joint After Total Knee Arthroplasty. A Randomized Controlled Trial"],"prefix":"10.1002","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-3641-1225","authenticated-orcid":false,"given":"Lisbeth","family":"Mogensen","sequence":"first","affiliation":[{"name":"Department of Rehabilitation Montebello North Zealand Hospital  Malaga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-2854-5122","authenticated-orcid":false,"given":"Torben","family":"Rasmussen","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Montebello North Zealand Hospital  Malaga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-1040-7617","authenticated-orcid":false,"given":"Julie","family":"Rasmussen","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Montebello North Zealand Hospital  Malaga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9214-046X","authenticated-orcid":false,"given":"Stig","family":"Molsted","sequence":"additional","affiliation":[{"name":"Department of Neurology, Physiotherapy and Occupational Therapy Unit North Zealand Hospital  Hiller\u00f8d Denmark"},{"name":"Department of Clinical Medicine University of Copenhagen  Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,5,13]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen\u20102011\u2010000435"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2013.12.005"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999\u2010009\u20101119\u20109"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/0269215510367992"},{"key":"e_1_2_11_6_1","unstructured":"Danish Kneealloplasty Register.2024.Annual Report 2023: rkkp.https:\/\/rkkp\u2010data.dk\/aarsrapporter\/dkr\/DKR%20%C3%85rsrapport%202023.pdf."},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2010.02.008"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2014.02.015"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.1988.9.8.273"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD004260.pub2"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2014.03.012"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj\u20102024\u2010081123"},{"key":"e_1_2_11_13_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-97-4920-1_69"},{"key":"e_1_2_11_14_1","unstructured":"Jakobsen T. andT.Mark\u2010Christensen.2021. \u201cRehabilitation Program After TKA.\u201d Region Hovedstaden.https:\/\/www.regionh.dk\/Sundhedsaftale\/Vaerktoejskasse\/Documents\/Revideret%20TGFB%20TKA%20december%202021_final.pdf."},{"key":"e_1_2_11_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/pri.450"},{"key":"e_1_2_11_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2015.06.006"},{"key":"e_1_2_11_17_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12891\u2010020\u201003493\u2010x"},{"key":"e_1_2_11_18_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12306\u2010019\u201000588\u20100"},{"key":"e_1_2_11_19_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13102\u2010020\u20100157\u20101"},{"key":"e_1_2_11_20_1","doi-asserted-by":"publisher","DOI":"10.1054\/arth.2002.32450"},{"key":"e_1_2_11_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999\u2010012\u20102533\u2010y"},{"key":"e_1_2_11_22_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.D.01992"},{"key":"e_1_2_11_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2007.08.023"},{"key":"e_1_2_11_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0966\u20106362(01)00198\u20109"},{"key":"e_1_2_11_25_1","doi-asserted-by":"publisher","DOI":"10.1097\/nor.0b013e3182419662"},{"key":"e_1_2_11_26_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264\u2010021\u201005245\u20105"},{"key":"e_1_2_11_27_1","volume-title":"Senior Fitness Test Manual","author":"Rikli R. 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