School of Nursing and Rehabilitation Sciences, Showa University, 1865 Tokaichiba-cho, Midori-ku, Yokohama, Kanagawa 226-8555, Japan;
Health Service Center, National Institute of Fitness and Sports in Kanoya, Kanoya 891-2393, Japan;
Research Center for Training Science and Applied Physiology, National Institute of Fitness and Sports in Kanoya, Kanoya 891-2393, Japan;