Zusammenfassung
Sarkopenie ist mit einem erhöhten Risiko für Morbidität und Mortalität des älteren Menschen verbunden. Ganzkörpervibrationstraining (Whole-Body-Vibration, WBV) wird derzeit als „sanfte“ Alternative zu konventionellem Muskeltraining diskutiert. Die vorliegende Studie sollte klären, ob WBV die trainingsinduzierte Wirkung auf die Muskelmasse, die neuromuskuläre Leistungsfähigkeit und die Sturzhäufigkeit verbessern kann. Insgesamt 151 postmenopausale Frauen wurden randomisiert auf drei Gruppen verteilt: Trainingsgruppe (TG), Trainingsgruppe mit Vibration (VTG) und Kontrollgruppe (KG). Die TG absolvierte über 12 Monate zweimal pro Woche ein Multifunktionstraining u. a. mit einem Beinkraftzirkel ohne WBV, während die VTG dasselbe Programm mit einem Beinkrafttraining unter WBV durchführte. Die Messungen erfolgten zu Beginn und nach 12 Monaten. Trotz positiver Veränderung der fettfreien Körpermasse innerhalb beider Sportgruppen zeigte sich kein signifikanter Zwischengruppenunterschied. Beide TG verbesserten ihre Rumpfkraft jeweils signifikant (vs. KG). Auch die Beinkraft verbesserte sich in beiden TG, aber lediglich die VTG wies signifikante Unterschiede zur KG auf. Ebenfalls nur die VTG zeigte ein im Vergleich zur KG signifikant niedrigeres Risiko für Stürze.
Abstract
Sarcopenia is linked to an increased risk of morbidity and mortality in the aging. Whole body vibration (WBV) exercises are currently discussed as a “gentle” alternative to conventional exercises to improve muscle mass. The present study scrutinized whether a multipurpose (exercise) training program using WBV can improve muscle mass and neuromuscular capacity, while lowering fall risk. A total of 151 postmenopausal women were randomized into three groups: exercise group (TG), exercise group with vibration (VTG), and fitness control group (CG). The TG group participated in an exercise program including leg strengthening training twice a week over 12 months, while the VTG carried out an identical program with the leg exercises performed under WBV. Despite a positive trend regarding lean body mass in the two exercise groups, there was no difference between groups. Both exercise groups showed a significant increase (vs. KG) in trunk strength. An improvement in both exercise groups was also measured with respect to leg strength, but only the VTG showed significant differences compared to the CG. In addition, a significant lower risk of falls compared with the CG was evident only in VTG.
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Danksagung
Für die Unterstützung der Studie sprechen wir besonders der Elsbeth-Bonhoff-Stiftung unseren Dank aus. Ferner danken wir der SBK Siemens-Betriebskrankenkasse, Erlangen, für die enge Zusammenarbeit sowie der Fa. Opfermann, Wiehl, für die Bereitstellung von Kalzium and Vitamin D (Calcigen®).
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Kemmler, W., v. Stengel, S., Mayer, S. et al. Effekte von Ganzkörpervibrationen auf die neuromuskuläre Leistungsfähigkeit von Frauen über dem 65. Lebensjahr. Z Gerontol Geriat 43, 125–132 (2010). https://doi.org/10.1007/s00391-009-0074-0
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DOI: https://doi.org/10.1007/s00391-009-0074-0