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Because of decline of muscle endurance and descent of athletic ability, the elderly could sit on chairs most of time and which leads to poor blood circulation. It is not easy for blood to flow through feet; therefore, to those who sit or lean over a long time, they would always fell cold from feet which results in decline in physical function.
Put your feet on waver life and swing back and forth along the arc orbit, you will find it fascinating. Moreover, it will squeeze lower arteries by muscle contraction, drive blood circulation all over the body and promote your health.
Southern Taiwan University
Tainan City, Taiwan
Kaohsiung City, Taiwan
Li,Ya-Ping Jheng,Lun-Ya Xie,Cheng-Han