| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve a problem of a health appliance and footwear for standing or walking with a slope on the sole, a problem which, because of all their shapes of holding the entire sole including the toe part, rather causes anteversion away from a correct posture, making it difficult to obtain maximum stretch effect.SOLUTION: The health sandal is characterized in that it has a slope in the sole with a suitable angle of roughly 20° or more upward in the direction from the heel and the rear end part of the sole toward the toe and that the sole of the sandal has a limited shape making the length of the region for putting on the sole from the rear end of the heel to roughly the center of the metatarsal bone.</p> |
