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Arch Phys Med Rehabil., 2007; 88(7): 852-7, PMID: 17601464

High-frequency whole-body vibration improves balancing ability in elderly women

Jahr: 2007

Cheung WH, Mok HW, Qin L, Sze PC, Lee KM, Leung KS
Department of Orthopaedics and Traumatology, Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.


OBJECTIVE: To investigate the efficacy of high-frequency whole-body vibration (WBV) on balancing ability in elderly women. DESIGN: Randomized controlled trial. Subjects were randomized to either the WBV intervention or the no-treatment control group. SETTING: Community-living elderly women. PARTICIPANTS: Sixty-nine elderly women aged 60 or above without habitual exercise. INTERVENTION: Side alternating WBV at 20Hz with 3 minutes a day and 3 days a week for 3 months in the WBV intervention group. Those in control group remained sedentary with normal daily life for the whole study period. MAIN OUTCOME MEASURES: Limits of stability in terms of reaction time, movement velocity, directional control, endpoint excursion, maximum excursion, and the functional reach test were performed at baseline and endpoint. RESULTS: Significant enhancement of stability was detected in movement velocity (P<.01), maximum point excursion (P<.01), in directional control (P<.05). CONCLUSIONS: WBV was effective in improving the balancing ability in elderly women. This also provides evidence to support our user-friendly WBV treatment protocol of 3 minutes a day for the elderly to maintain their balancing ability and reduce risks of fall.

Schlagworte: elderly balance, Sturtzrisiko, fall risk
GID: 346; Letzte Änderung: 04.12.2007