| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a stretch instrument capable of stretching by the one instrument while releasing a total body all at once.SOLUTION: A stretch instrument is characterized by a structure, in which a sole back bending plate 2 is attached by inclining a bulging mold plate 1 for supporting the body. A player lies on the stretch instrument while being turned-over to elevate two hands, so that the total body can be stretched while being released all at once by the player.</p> |
