This article will explore what Powerball is and how it does it's magic. As you gently build up the speed, measured in revolutions per minute (rpm) the greater the torsion and dynamic forces acting upon your wrist, lower and upper arm muscles, depending on the arm orientation and direction of spin. Using the Powerball is used over an extended period as part of an athlete's training program, it will strength wrist, arm and shoulder muscles. With practice, speeds in access of 15,000 rpm's can be generated. The Powerball (or hand held gyroscope) is a truly dynamic object, there are no batteries and no electricity used, unless you have a model with a rpm counter. 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. It can used in a fitness sense for the arms, wrists and shoulders helping to build, tone and strengthen the muscles and ligaments in the hands, wrists, arms and shoulders. It can used in a rehabilitation manner for arm and wrist injuries or to help

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