| 摘要 |
<p>A physical training implement for exercising abdominal muscles comprises an implement structure (1) including a supporting frame (2), a bearing base (3) and a pair of cross supporting elements (4), the bearing base (3) and cross supporting element pair (4) being coupled to the supporting frame, the implement structure (1) comprising moreover supporting means (5a,5b,7a,7b,8,11,13a,13b,14a,14b,16,17,18,19) for allowing said structure to swing about a middle longitudinal and/or cross plane thereof as the implement is used.The amplitude of the swinging movement is limited by side extensions (21,22).</p> |
