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Crushing Strength
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Crushing strength is the ability of the hand to generate force when moving from an open to closed position. Closing a hand gripper or smashing an apple draws upon crushing strength. The primary movers are the flexors of the fingers and thumb. The wrist acts as base of support. This means to develop a high level of crushing strength it is necessary to do direct work for the thumb and wrist, in addition to the fingers.
Crushing a hand gripper.
