Abstract
Background Below-threshold vibration together with low-level mechanical noise (stochastic resonance) is known to have positive effects on plantar foot sensitivity and balance control [1]. However, the effects of abovethreshold stimulation on both variables are still not proved. The goal of this study was to investigate the effects of whole body vibration (WBV) training, characterized by above threshold stimulation, on plantar foot sensitivity and balance control of young healthy subjects. Materials and methods 38 subjects of both genders were divided in training (WBV, n=27) and control (CG, n=11) groups. Plantar foot vibration sensitivity and balance were measured before and after a 6-week WBV training, in which subjects were exposed weekly to three bouts of vibration stimuli (27 Hz vibration frequency; 2 mm horizontal amplitude), with duration from 5.30 up to 8.30 min. Vibration sensitivity was measured at the heel, first and fifth metatarsal heads and hallux of both feet. Balance was measured with subjects standing on one leg (right and left legs) during 20 s with eyes open. Vibration thresholds [μm] and CoP excursion [mm] before and
Highlights
Below-threshold vibration together with low-level mechanical noise is known to have positive effects on plantar foot sensitivity and balance control [1]
Materials and methods 38 subjects of both genders were divided in training (WBV, n=27) and control (CG, n=11) groups
Vibration sensitivity was measured at the heel, first and fifth metatarsal heads and hallux of both feet
Summary
Below-threshold vibration together with low-level mechanical noise (stochastic resonance) is known to have positive effects on plantar foot sensitivity and balance control [1]. The effects of abovethreshold stimulation on both variables are still not proved. The goal of this study was to investigate the effects of whole body vibration (WBV) training, characterized by above threshold stimulation, on plantar foot sensitivity and balance control of young healthy subjects
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