| 摘要 |
PROBLEM TO BE SOLVED: To provide an insole and a belt that increase the back muscle strength when the insole is put in a shoe and used and when the belt is worn by a user, respectively, and to provide a wristband that increases the grasping strength when worn by the user. SOLUTION: The insole 1 is made of synthetic resin and, on the surface of a planar base material including a magnetic body, a paper seal 3 is stuck which is formed with a stripe pattern comprising five color portions of green 31, yellow 32, purple 33, red 34, and blue 35. The back muscle strength is increased by putting this insole 1 in the shoe, with the seal 3 facing upward. COPYRIGHT: (C)2008,JPO&INPIT
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