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The inSPORTline MegaSpin wrist ball is a perfect accessory for strengthening the muscles of the hands, especially the wrist and forearm. This is a gyroscopic ball - when rotated, the flywheel inside the ball creates gyroscopic resistance. The more you spin the ball, the greater the resistance.
The inSPORTline MegaSpin wrist ball has become popular among both manual workers and office workers who suffer from wrist and forearm pain. In addition to strengthening hand muscles, it also helps relieve pain or tense muscles.
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