Dynabee Hand and Arm Exerciser A 4,000-pound nautilus machine will work the big muscle groups, but if it’s your forearms and hands you want to strengthen, there’s a piece of equipment that’s considerably more portable. Weighing in at half a pound, the Dynabee ($25) from Variety Plastic Products (888-396-2233) can pack a punch equal to that of a 32-pound dumbbell. Its astounding resistance radiates from the centrifugal force of a gyroscope that spins inside a baseball-size, rigid-plastic globe. It took a dozen or so tries to master the graceful, short-radius turns of the wrist necessary to build the gyroscope’s momentum, but |
Dynabee Hand and Arm Exerciser
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