Because of the different of pressure,buoyancy,resistance and heat conductivity between water and land,The effect of under water exercise on body s physiological function was different from the land.

• 由于水的静压力、浮力、阻力以及水的导热性能与陆上运动不同，水中运动将对人体生理机能产生与陆上运动不同的影响。