Fun! Exercising has never been as much fun! Choose the model (and color!) which suits you. Exercise, play, compete... This has been proven to directly translate into a major boost in distance and endurance. You use your wrist in a circular fashion. This means the powerball can be used in a fitness sense for the arms, wrists and shoulders helping to build, tone and define muscle. It can used in a fitness, sports, rehabilitation or fun manner making it fun, pleasurable and very addictive. When the gyro is spinning, a tipping action will cause it to precess and move in a circular fashion. This means the powerball can be used in a fitness way to build muscle or for exercise and in a multitude of situations.Fitness - NSD Powerball is a handheld gyroscope device that is roughly the same size as a Baseball or Tennis Ball, being 7cm in diameter and weighing about 0.26 kg. Therefore the device is only ever as much as the person using it. As you 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

    NSD Powerball Gyroscope for sports and fitness, carpal tunnel, tennis elbow, tendonitis, wrist pain and grip ...
    Extreme NSD Powerball! Power ball slowly comes alive with gyroscopic force - a sublime yet pleasant The extraordinary Power ball is inexpensive to buy

    NSD Powerball S.A. - NSD Powerball S.A.
    - The All-Original NSD Powerball in South Africa Extreme Starter Cord Blues!! Exercising with a Powerball.The Official SCOREBOARDS .NSD Powerball S.A