STRENGTHENING BOARD FOR STRAIGHT MUSCLE OF THIGH, ABDOMINAL STRAIGHT MUSCLE, OUTER ABDOMINAL OBLIQUE MUSCLE, GREATER PECTORAL MUSCLE AND STERNOCLEIDOMASTOID MUSCLE

摘要

PROBLEM TO BE SOLVED: To provide a muscle strengthening board which solves the decline of muscular power due to lack in exercise and can be an interior accessory when it is not used.;SOLUTION: A user person rides on a component 2, put the calf on a component 1 and curves the back backward about a support of the component 1. Then, load is applied to the straight muscle of the thigh (the thigh), the abdominal straight muscle (the abdominal muscle), the outer abdominal oblique muscle (the side of the abdominal straight muscle), the greater pectoral muscle and the sternocleidomastoid muscle (the muscle of front part of the neck), and they are strengthened, and when the person rides on a component 3 and leans over the component 1, the Achilles' tendon is stretched, moreover, when it is not used, by turing a component 4 up (or down), it can be used as a (side) table, a stool, a step, or the like.;COPYRIGHT: (C)2006,JPO&NCIPI