作者: Daniel S. Solloway
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摘要: An exercise device which can be interchangeably used by men, women, and children alike, in the water, without substantial modification. The permits a large range of movement increased control resistant forces, torque torsion. includes hydrodynamic resistance assembly preferably is form water-engageable blades or one more apertured spherical shells each housing rotatable ball. barbells, leg lifts, baseball bats, golf clubs, tennis racquets, etc., for strengthening muscles particular sports, as well general muscular improvement.