{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T10:17:12Z","timestamp":1778062632694,"version":"3.51.4"},"reference-count":49,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T00:00:00Z","timestamp":1778025600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JPM"],"abstract":"<jats:p>Background: Early recovery after total hip (THA) and total knee arthroplasty (TKA) is often limited by pain and impaired antigravity function. Mechano-acoustic vibration therapy (VT) may enhance neuromuscular activation and analgesia, but evidence in arthroplasty is scarce. Methods: A total of 380 patients aged \u226565 years were retrospectively identified within 3 \u00b1 1 days after primary unilateral total hip arthroplasty (THA) or total knee arthroplasty (TKA). All patients underwent standard inpatient physiotherapy; in the VT group, mechano-acoustic vibration therapy (ViSS\u00ae, 30 min\/day for 5 days at 200\u2013300 Hz) was added as an adjunct treatment, whereas the control group received standard physiotherapy alone. Pain (VAS, McGill), muscle strength (MRC), thigh circumferences, and 10 s Sit-to-Stand were assessed at baseline (T0), end of treatment (T1), and 3-day follow-up (T2). Results: VT produced large, early and sustained improvements in both cohorts. In THA patients, VAS decreased from 7.1 \u00b1 1.1 to 3.8 \u00b1 0.6 at T1 and 3.0 \u00b1 0.7 at T2 and Sit-to-Stand repetitions increased from 3.7 \u00b1 1.9 to 6.3 \u00b1 1.7 at T2, with significant gains in strength and circumferences. TKA VT patients showed similar patterns. Control groups reported smaller pain reductions and no clinically relevant changes in the reported outcomes. Conclusions: integrating a short cycle of mechano-acoustic VT into early inpatient rehabilitation after THA or TKA significantly enhances pain relief and restoration of antigravity function compared with standard physiotherapy alone. VT represents a promising adjunct to conventional rehabilitation strategies and may contribute to optimizing postoperative recovery pathways in major joint replacement.<\/jats:p>","DOI":"10.3390\/jpm16050253","type":"journal-article","created":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T09:30:22Z","timestamp":1778059822000},"page":"253","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Effects of Mechano-Sonic Vibration Therapy on Muscle Strength, Pain, and Joint Function in Elderly Patients Undergoing Total Knee and Hip Arthroplasty: A Retrospective, Case-Control Study"],"prefix":"10.3390","volume":"16","author":[{"given":"Raoul","family":"Saggini","sequence":"first","affiliation":[{"name":"Department of Theoretical and Applied Sciences (DiSTA), eCampus University, 22060 Novedrate, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1570-9568","authenticated-orcid":false,"given":"Domiziano","family":"Tarantino","sequence":"additional","affiliation":[{"name":"Department of Theoretical and Applied Sciences (DiSTA), eCampus University, 22060 Novedrate, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia","family":"Barbato","sequence":"additional","affiliation":[{"name":"Department of Theoretical and Applied Sciences (DiSTA), eCampus University, 22060 Novedrate, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5874-0376","authenticated-orcid":false,"given":"Raffaello","family":"Pellegrino","sequence":"additional","affiliation":[{"name":"Department of Medicine and Surgery, LUM University, 70010 Casamassima, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6788-6040","authenticated-orcid":false,"given":"Francesco","family":"Pegreffi","sequence":"additional","affiliation":[{"name":"Department of Medicine and Surgery, School of Medicine and Surgery, \u201cKore\u201d University of Enna, 94100 Enna, Italy"},{"name":"Recovery and Functional Rehabilitation Unit, Umberto I Hospital, Azienda Sanitaria Provinciale di Enna, 94100 Enna, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rosa Grazia","family":"Bellomo","sequence":"additional","affiliation":[{"name":"Department of Medicine and Surgery, LUM University, 70010 Casamassima, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"103701","DOI":"10.1016\/j.gerinurse.2025.103701","article-title":"Prevalence of Sarcopenia and Sarcopenic Obesity in Patients with Osteoarthritis: A Systematic Review and Meta-Analysis","volume":"66","author":"Xie","year":"2025","journal-title":"Geriatr. 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