1. Cabinet Office , Annual report on the ageing society (2019), available from〈https://www8.cao.go.jp/kourei/whitepaper/index-w.html〉, (accessed on 7 January, 2020).
2. Gotz-Neuman, K. , Gehen verstehen : Ganganalyse in der Physiotherapie , Thieme Georg Verlag (2005), pp. 111-158.
3. Kobayashi, H., Uchimura, A., Isihida, Y., Shiiba, T., Hiramatsu, K., Konami, M., Matsushita, T. and Sato, Y. , Development of a muscle suit for the upper body - realization of abduction motion , Advanced Robotics , Vol. 18, No. 5 (2012), pp. 497-513.
4. Kohara, J.，Uchida, K., Ueno Y. and Hatta, K. , Jintai wo hakaru (1986), pp. 66-67, Japan Publication Service (in Japanese).
5. Kusakari, Y. and Sasaki, M. , Influence of kiphosis posture on cardiopulmonary response and exercise tolerrance , Rigakuryoho Kagaku , Vol. 18, No. 4 (2003), pp. 187-191(in Japanese).