| 摘要 |
The invention relates to a muscle-development apparatus (1) consisting of a rigid and elastic blade (2) without hysteresis in the range of stresses exerted by human effort, provided at its two ends (5) with means (4) for being held in the hands. The blade is covered with sheets of flexible alveolar material (3). The holding means (4) are slots which enable a hand to be slipped through. <IMAGE>
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