*Hiroki Ota^1,2, Kimiaki Katanosaka³, Toru Taguchi^1,2 (1. Dept. Phys. Ther., Fac. Rehabil., Niigata Univ. Health Welfare, Niigata, Japan., 2. Inst. Human Mov. Med. Sci., Niigata Univ. Health Welfare, Niigata, Japan., 3. Dept. Biomed. Sci., Col. Life Health Sci., Chubu Univ., Kasugai, Japan.)