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Vibration alters proprioception and dynamic low back stability.
ISB XXth Congress - ASB 29th Annual Meeting, July 31- August 5, 2005, Cleveland, Ohio. Cleveland, OH: International Society of Biomechanics, 2005 Jul; :254
Whole body vibration has long been shown to be a risk factor for low back disorders. Vibration is associated with 1.5-39.5 fold increase in low back injury risk. Vibration has been associated with a higher incidence of low back disorders in occupations such as pilots, tractor drivers and heavy equipment operators. Although a number of investigators have studied the transmissibility of vibration, the mechanism by which vibration results in low back injury is not understood. One potential mechanism by which vibration may lead to low back injury is through changes in the dynamic stabilization of the spine. Muscle and muscle-tendon vibrations of 20 to 120 Hz are known to result in proprioceptive illusions in the extremities due to the stimulation of the muscle spindle organs. After removal of vibration from the muscle, proprioceptive changes have been shown to persist. In this experiment it was hypothesized that vibration-induced proprioceptive changes in the muscle both during and after vibration will correspond to changes in the dynamic stabilization of the low back.
Neuromotor-function; Neuromuscular-system; Biomechanics; Biokinetics; Muscle-function; Sensory-motor-system; Vibration-effects; Injury-prevention; Back-injuries
ISB XXth Congress - ASB 29th Annual Meeting, July 31- August 5, 2005, Cleveland, Ohio
University of Kansas Lawrence
Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division