| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a stretch instrument capable of subjecting a back muscle and a waiste part to stretch motion in a relaxed state. <P>SOLUTION: The stretch instrument includes a movable element 2 and a drive device 3. The movable element 2 is used for supporting the upper half of the element and the drive device 3 moves the movable element 2 up and down. <P>COPYRIGHT: (C)2004,JPO |
