作者: James N. Weeks
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摘要: A full mobility resistance exercise system including a nylon vest with posterior surface and worn around user's chest. The utilizes fastening means for adjustment of size. rectangular support plate is attached flatly against included within the vest. horizontally elongated, inverted V-shaped rigid member to on perpendicular plane formed by plate. extends outward behind user from Two pairs adjustable straps are knees elbows. plurality elastic cables each strap, at knee or elbow, end in taut position.