Effectively this is the same as carrying around a set of dumbbells in your pocket! When first using the device, muscle burn and discomfort can occur, as is normal with any exercise, but this fades over time if used regularly as the muscle will tone and strengthen. The Powerball gyroscope is a new, addictive, multi-facetted device that is roughly the same size as a Baseball or Tennis Ball, being 7cm in diameter and weighing about 0.26 kg. If for some reason you have an injury to your arm or wrists then the Powerball can be used by anyone with hands big enough to grip it. Powerball is a masterful creator of soothing, theraputic resistance with which to rehabilitate RSI & Carpal Tunnel conditions or strengthen broken bones. The Powerball can be used anywhere and whenever you have free time. As you build up the speed of the device is only ever as much as the person using it. When the gyro is spinning, a tipping action will cause it to precess and move in a circular motion to generate the force to continually increase the speed, which in turn acts with a greater resistive force against your body. They have many benefits for the hands, wrists

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