Powerball Gyro Exerciser

Descripción

The Powerball Gyro Exerciser is the portable training device that strengthens your grip and tones your arms in just minutes a day. Simply “rev up” the internal gyro with the included power starter and hold the device in one hand. The rotating motion (up to 15,000rpm) replaces up to 45 lbs. of free weights. Extend your arm to target different muscle groups... it’s perfect for bowlers, golfers, baseball players, or anyone suffering from carpal tunnel syndrome, tendonitis or tennis elbow. Seguir leyendo