Used by the National Academy of Sports Medicine, professional sportsteams, medical rehabilitation, and fitness centers nationwide, this isthe low-impact trainer that uses varying vibration to cause muscles toinvoluntarily contract 30 to 50 times per second, stimulatingcirculation, strengthening bones, stretching tendons and deep-lyingpelvic muscles, and resulting in faster recovery after workouts.Medical studies conducted over a 20 year period have shown that WholeBody Vibration causes less microtrauma to muscles than conventionalweight training. This trainer provides a whole-body workout in 10minutes, equal to a 30 minute workout with weights; you simply performa variety of exercises while either standing or sitting on the vibration platform, or holding onto the vibrating handles. The trainersupports up to 385 lbs., and has a vibrating platform made of durablefiber-reinforced plastic supported by a sturdy steel frame. Plugs intoAC. This trainer oscillates at a frequency of 35Hz and has a 60 secondexercise interval. 53" H x 26" W x 32" D. (193 lbs.)