{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T12:41:28Z","timestamp":1777466488360,"version":"3.51.4"},"reference-count":51,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T00:00:00Z","timestamp":1764288000000},"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":["Journal of Back and Musculoskeletal Rehabilitation"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Currently, the evidence for the effectiveness of exercise in patients with rheumatoid arthritis (RA) is controversial.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To determine the effectiveness of high-intensity exercise on physical function and disease activity in patients with RA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This systematic review was prospectively registered with PROSPERO (CRD42022332312). Electronic searches were performed in MEDLINE, Web of Science, EMBASE, SCOPUS, CINAHL, SPORTDiscus, Epistemonikos, and LILACS databases from inception to September 2025. Randomised clinical trials that evaluated the effectiveness of high-intensity exercise on physical function and disease activity in patients with RA were included. The selection of studies, data extraction, and risk of bias assessment were performed by two independent reviewers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Eleven clinical trials met the eligibility criteria. For the comparison of high-intensity exercise versus supervised or unsupervised low-intensity exercise, there was no significant difference between groups: the standard mean difference (SMD) was 0.03 (95% CI, \u22120.15 to 0.20;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.77) for physical function, and 0.06 (95% CI, \u22120.13 to 0.25;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.53) for disease activity at 20\u201324 weeks. Conversely, high-intensity exercise was significantly more effective in improving knee extensor muscle strength (SMD\u2009=\u20090.30; 95% CI, 0.13 to 0.48;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009&lt;\u20090.001) and aerobic capacity (SMD\u2009=\u20090.35; 95% CI, 0.15 to 0.55;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009&lt;\u20090.001) than supervised or unsupervised low-intensity exercise at 20\u201324 weeks. No adverse events related to the interventions were reported in any of the included studies.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>High-intensity exercises compared to supervised or unsupervised low-intensity exercise did not significantly improve self-reported physical function and disease activity in patients with RA. In addition, high-intensity exercise is safe and effective in significantly improving extensor muscle strength and aerobic capacity in this population. According to the GRADE approach, the quality of evidence was very low to high. More clinical trials are needed to confirm these findings.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/10538127251400607","type":"journal-article","created":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T15:37:43Z","timestamp":1764344263000},"page":"791-807","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Effectiveness of high-intensity exercise on physical function and disease activity in patients with rheumatoid arthritis. 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