Changes in postural sway frequency and complexity in altered sensory environments following whole body vibrations

A whole body vibration perception map and associated acceleration loads at the lower leg, hip and head

“…Using Borg's scale, the subjects' perception ranged for lower limbs between 'very hard' and 'extremely hard' for the frequencies between 21 and 25 Hz. For the head (13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25) was 'fairly light', and 'somewhat hard' for the trunk (11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25). In general, the subjective magnitude estimation of vibration, using the Borg scale, followed a similar trend as the acceleration integral values determined at the lower leg, hip and head.…”

“…Data collection included anthropometrical measurements as body mass and height, perception of body vibration magnitude and discomfort at 12 frequencies between 3 and 25 Hz (3,5,7,9,11,13,15,17,19,21,23 and 25 Hz) and two intensities (3 and 5 mm amplitude). Two measurement series were performed on a rotational oscillation mode WBV platform.…”

“…Research articles have demonstrated that WBV therapy can bring benefits for improving muscle strength [5,22], bone remodeling [23,30] and for Parkinson's disease [12,14]. However WBV can also cause negative effects by decreasing the sensitivity of fast-adapting mechanoreceptors in the human skin, and affecting balance [11,26,27]; its effects can range from no effect to potentially harmful, depending on the variables selected [10,13,24].…”

Whole Body Vibration at Different Exposure Frequencies: Infrared Thermography and Physiological Effects

“…However, previous studies investigating the acute effects of WBV on balance have provided controversial results with the use of different platform settings. Studies have shown balance enhancement [ 3 ], nonsignificant results [ 1 , 14 ], and a reduction in overall postural stability [ 2 ]. Hence, it is important to confirm the association between balance control and the reduction in sensitivity after exposure to different frequencies of WBV.…”

The Effects of Whole-body Vibration on the Gross Motor Function, Balance, and Gait of Children with Cerebral Palsy

“…3),13),14), 15) Saquetto et al (2015) found that WBV was associated with functional improvements in children with cerebral palsy, enhancing flexibility, posture control, balance, and coordination. 16) WBV is a form of neuromuscular training that uses vibration to stimulate points critical in terms of balance maintenance (thus, points exhibiting vibration reflexes; abbreviated TVRs). 17) When vibrations of a floor are transmitted throughout the body, these vibrations stimulate both the spine and the appendages, transmitting contraction commands to the spinal cord, enhancing muscle response rates and aiding movement by activating the nervous system.…”