Effects of whole-body vibration training on lower extremity muscle strength and physical function in elderly patients with sarcopenia

ABSTRACT

Objectives To investigate the feasibility and benefits of WBV training in enhancing muscle strength and physical performance in older inpatients with sarcopenia.

Methods We included 40 patients with sarcopenia (mean age 85 years; age range 80~90 years) and randomly separated into the WBV group or control (CON) group. The WBV group underwent 8 weeks of conventional rehabilitation training combined with WBV, whereas the CON group received 8 weeks of conventional rehabilitation training alone. The primary outcome was maximal isometric muscle strength. The secondary outcomes were the time-up-and-go test (TUGT), the five-times sit-to-stand test (FTSST), the 6-m gait speed test, and the Morse Fall Scale (MFS).

Results After an 8-week intervention, only the quadriceps and tibialis anterior muscles in the CON group showed substantial gains in strength. In the WBV group, significant increases were observed in iliopsoas (P<0.05), quadriceps (P<0.01), hamstring(P<0.01), and tibialis anterior muscle (P<0.01) respectively. For all physical performance assessments, improvements were observed in both CON and WBV groups (P<0.05), the improvement in the WBC group was greater than the CON group (P<0.05). However, there was no significant difference in fall risk between the two groups (P>0.05).

Conclusion This result highlights a eight weeks of whole-body vibration training can increase the lower-limb muscular strength and physical performance of older inpatients with sarcopenia.

ZUSAMMENFSAAUNG

Ziele Untersuchung der Durchführbarkeit und des Nutzens von WVV Training zur Verbesserung der Muskelkraft und körperlichen Leistungsfähigkeit bei älteren stationären Patienten mit Sarkopenie.

Methoden Wir haben 40-Patienten mit Sarkopenie (mittleres Alter 85 Jahre; Altersbereich 80~90 Jahre) einbezogen und zufällig in die WVV-Gruppe oder Kontrollgruppe (CON) getrennt. Die WBV-Gruppe durchlief acht Wochen konventionelles Rehabilitationstraining kombiniert mit WBV, während die CON-Gruppe acht Wochen konventionelles Rehabilitationstraining allein erhielt. Das primäre Ergebnis war die maximale isometrische Muskelkraft. Die sekundären Ergebnisse waren der Time-up-and-go Test (TUGT), der fünfmalige Sitz-to-Stand Test (FTSST), der 6-m Ganggeschwindigkeitstest und die Morse Fall Scale (MFS).

Ergebnisse Nach einer 8-wöchigen Intervention zeigten nur die vorderen Quadrizeps- und Tibialismuskeln der CON-Gruppe deutliche Kraftzuwächse. In der WBV-Gruppewurden signifikante Erhöhungen in Iliopsoas (P<0,05), Quadrizeps (P<0,01), Hamstring (P<0,01) und Tibialis anterior Muskel (P<0,01) beobachtet. Bei allen körperlichen Leistungsbeurteilungen wurden Verbesserungen sowohl in CON- als auch in WBV-Gruppen beobachtet (P<0,05), die Verbesserung in der WBC-Gruppe war größer als in der CON-Gruppe (P<0,05), jedoch gab es keinen signifikanten Unterschied im Sturzrisiko zwischen den beiden Gruppen (P>0,05).

Schlussfolgerung Dieses Ergebnis zeigt, dass ein achtwöchiges Ganzkörper-Vibrationstraining die Muskelkraft und körperliche Leistungsfähigkeit älterer stationärer Patienten mit Sarkopenie steigern kann.

Keywords

whole body vibration - sarcopenia - muscle strength - physical performance

Schlüsselwörter

Ganzkörpervibration - Sarkopenie - Muskelkraft - körperliche Leistungsfähigkeit

Publikationsverlauf

Eingereicht: 23. Januar 2024

Angenommen nach Revision: 25. April 2024

Artikel online veröffentlicht:
27. Mai 2024

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