It is believed that human ancestors evolved the ability to run bipedally approximately 2 million years ago. This form of locomotion may have been important to o
<正>In the last two or three decades,physical activity(PA) has gained increasing recognition as being essential for maintaining good health and improving qualit
Background: Although Tai Ji Quan has been shown to relieve pain and improve functional mobility in people with knee osteoarthritis(OA), little is known about it
Performance enhancement is considered an essential part of sport.1 However,in the world of competitive and high-performance sports,there is increasing evidence