Acute neuromuscular modulation enhances postural control after whole-body vibration

Abstract

The postural movement control determines performance of almost any kind of human movement. The current study aimed to investigate whether a short bout of whole-body vibration (WBV) can improve postural control. Effects were compared to a conventional balance training (BAL). During an instable one-legged stance, postural control was assessed in 22 healthy subjects before and after 2-min bouts of either WBV or BAL. Postural sway, antagonist co-contraction of selected lower limb muscles (soleus, gastrocnemius medialis, tibialis anterior, rectus femoris, biceps femoris) and soleus spinal excitability (H-reflexes) were recorded by means of posturography and electromyography, respectively. Postural sway was significantly reduced after WBV (p