PROBLEM TO BE SOLVED: To provide an implement for foot unit improvement which urges the use of outside toes of a wearer and prevents a fall or the like during standing and walking by appropriately elevating (supporting) the central part (vicinity of cuboid bone) of an outside longitudinal arch of a foot.;SOLUTION: A portion facing an area surrounded by a first arc line a1 and a second arc line a2 is swelled toward the area from the ground, and the shape of a section in the direction perpendicularly intersecting a direction along the first arc line a1 in the swelled shape is formed in the same shape as the swelled one irrespective of the position of the section. Thereby the implement (a) for improvement of the foot unit, which elevates the height from the ground at the bottom 21a in the vicinity of the cuboid bone 21 of the foot up to a prescribed height t, is provided. According to this constitution, a joint portion of the little toe of the foot, an inside portion of the little toe, and an inside portion of the fourth toe are brought into contact with the ground naturally (or forcibly), so that the use of the outside toes of the wearer can be urged.;COPYRIGHT: (C)2012,JPO&INPIT
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