{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T16:34:14Z","timestamp":1791822854048,"version":"4.3.4"},"reference-count":48,"publisher":"JMIR Publications Inc.","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Internet Res"],"abstract":"\n Background<\/jats:title>\n Sarcopenia is closely associated with a poor quality of life and mortality, and its prevention and treatment represent a critical area of research. Resistance training is an effective treatment for older adults with sarcopenia. However, they often face challenges when receiving traditional rehabilitation treatments at hospitals.<\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n We aimed to compare the effects of a digital rehabilitation program with those of traditional therapist-supervised rehabilitation training on older adults with sarcopenia.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n In total, 58 older adults with sarcopenia were recruited offline and randomized (1:1) into 2 groups: the telerehabilitation group (TRG, n=29, 50%) and the in-person rehabilitation group (IRG, n=29, 50%). Both groups underwent 4-week resistance training targeting 6 major muscle groups. The TRG received exercise guidance via a mobile app, while the IRG received in-person training from a therapist. Offline assessments of body composition, grip strength, and balance using the 30-Second Arm Curl Test (30SACT), 30-Second Sitting-to-Rising Test (30SSRT), quadriceps femoris extension peak torque (EPT) and extension total power (ETP), Berg Balance Scale (BBS), Timed Up-and-Go Test (TUGT), 6-Minute Walk Test (6MWT), and Instrumental Activities of Daily Living (IADL) scale, were conducted before and after the intervention.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n Of the 58 patients, 51 (88%; TRG: n=24, 47%; IRG: n=27, 53%) completed the trial. After 4 weeks of intervention, the mean grip strength increased from 18.10 (SD 5.56) to 19.92 (SD 5.90) kg in the TRG (P=.02) and from 18.59 (SD 5.95) to 19.59 (SD 6.11) kg in the IRG (P=.01). The 30SACT and 30SSRT scores increased from 12.48 (SD 2.68) to 14.94 (SD 3.68) times (P=.01) and from 15.16 (SD 7.23) to 16.58 (SD 8.42) times (P=.045), respectively, in the TRG and from 12.25 (SD 4.19) to 14.68 (SD 4.36) times (P=.003) and from 14.31 (SD 4.04) to 16.25 (SD 4.91) times (P=.01), respectively, in the IRG. The quadriceps femoris EPT increased from 26.19 (SD 10.26) to 35.00 (SD 13.74) Nm (P=.004) in the TRG and from 26.95 (SD 11.81) to 32.74 (SD 12.33) Nm (P=.003) in the IRG. The BBS scores significantly improved in both groups (P<.001), with the mean TRG score increasing by 3.19 (SD 2.86) points and the mean IRG score by 3.06 (SD 2.44) points. Neither group exhibited significant within-group changes on the TUGT or the 6MWT. Both groups reported significant improvements in the IADL (TRG: P=.04; IRG: P=.02). Between-group comparisons revealed no significant differences in changes in all indicators.<\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n A 4-week remote resistance training program is effective in improving strength, balance, and the IADL in older adults with sarcopenia, with effects comparable to rehabilitation supervised by a physical therapist. Telerehabilitation may be a convenient and effective alternative for older adults with sarcopenia who have limited access to rehabilitation resources.<\/jats:p>\n <\/jats:sec>\n \n Trial Registration<\/jats:title>\n ChiCTR 2300071648; https:\/\/www.chictr.org.cn\/showprojEN.html?proj=196313<\/jats:p>\n <\/jats:sec>","DOI":"10.2196\/67846","type":"journal-article","created":{"date-parts":[[2025,1,15]],"date-time":"2025-01-15T03:12:23Z","timestamp":1736910743000},"page":"e67846","source":"Crossref","is-referenced-by-count":32,"title":["A 4-Week Mobile App\u2013Based Telerehabilitation Program vs Conventional In-Person Rehabilitation in Older Adults With Sarcopenia: Randomized Controlled Trial"],"prefix":"10.2196","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-0968-2822","authenticated-orcid":false,"given":"Lu","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9465-5207","authenticated-orcid":false,"given":"Ying","family":"Ge","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-4829-0307","authenticated-orcid":false,"given":"Wowa","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-2898-6397","authenticated-orcid":false,"given":"Xuan","family":"Shu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5034-5483","authenticated-orcid":false,"given":"Lin","family":"Kang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8226-1639","authenticated-orcid":false,"given":"Qiumei","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-8728-549X","authenticated-orcid":false,"given":"Ying","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1010","published-online":{"date-parts":[[2025,1,24]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.3390\/s19224951"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.3390\/nu13010114"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph19169952"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1016\/j.heliyon.2023.e16323"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1002\/jcsm.12783"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jamda.2019.12.012"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.3389\/fpubh.2024.1415398"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.jshs.2023.06.005"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1186\/s11556-021-00277-7"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.3390\/jcm10081630"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph19020874"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1007\/s40200-023-01283-5"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1519\/jsc.0000000000003230"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afac003"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.3389\/fpsyg.2022.869573"},{"key":"ref16","unstructured":"Technical 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