| 摘要 |
<p>Swim training appts. with expanders, is used as dry training apparatus. It consists of an upholstered support plate (1) which carries the pupil in the swimming position. Two pairs of expandable belts are fixed to the support plate one of which is coordinated with the hands of the other pair to the feet of the user. The belts (2, 3, 4, 5) can be adjusted in length and are fitted with connecting elements at their free ends to grip or connect the hands or rings for the hand belts and loops for the feet belts.</p> |
