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Extend and stretch both wrists and fingers acutely as if they are in a hand-stand position. Hold for a count of 5. | Straighten both wrists and relax fingers. | Make a tight fist with both hands. |
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Then bend both wrists down while keeping the fist. Hold for a count of 5. | Straighten both wrists and relax fingers, for a count of 5. | The exercise should be repeated 10 times. Then workers should let their arms hang loosely at their side and shake them for a couple of seconds. |
Source: Poster exhibit D-29, annual meeting, American Academy of Orthopaedic Surgeons, Feb. 25, 1996.