Effects of eight months of whole body vibration training on hip bone mass in older women
Abstract
OBJECTIVE: the aim of this study was to examine the effect of 8 months of whole-body vibration training on bone mass in octogenarian women.
METHOD: Thirty-seven women (aged 82.4 [SD=5.7] years) voluntarily participated in this study. The vibration group (n=19) trained on a vibration platform twice a week (20 Hz and 2 mm) whereas controls (n=18) did not participate in any training program. Bone mass was measured by dual-energy X-ray absorptiometry at the hip region. General linear repeated measures ANOVA (group by time) was used to examine the effect of whole body vibration on bone mass changes.
RESULTS: After the intervention, in all the hip regions (total hip, femoral neck, trochanter, intertrochanter, Ward's area), no statistically significant changes in bone mass were found.
CONCLUSION: eight months of whole body vibration training (twice a week) in elderly women do not produce osteogenic effects.
Objetivo: el objetivo de este estudio fue examinar el efecto de 8 meses de entrenamiento vibratorio sobre la masa ósea en mujeres octogenarias. Métodos: 37 mujeres (edad 82.4 [SD=5.7] años) participaron voluntariamente de este estudio. El grupo de intervención (n=19) entrenó sobre la plataforma vibratoria 2 veces por semana (20 Hz and 2 mm), mientras que el grupo control (n=18) no participó de ningún programa de entrenamiento. La masa ósea de la cadera fue medida mediante el absorciometría fotónica dual de rayos X. El test de ANOVA de medidas repetidas fue utilizado para…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 19 participants or records.
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