| 摘要 |
<p>This sports equipment is suitable for use during walking and running to maintain physical fitness, because it exerts a counterforce on the arms which automatically swing at the same time, thereby strengthening the musculature of the arms and torso. This is achieved by an extensible ribbon (1) which crosses over at the back part (2a) of a vest (2) where it is held detachably in position and which is fitted with two terminal arm or hand cuffs (4).</p> |
