运动员、教练员以及健身爱好者很早就明确了,保持身材并不仅仅是注意腰围就行了的。健身是一个系统工程,包括很多要素:柔韧性、耐力和绝对力量。如果是进行武术训练,衡量的标准也是这些。如果你连续进行数十下的前踢腿练习,你的腿腱可能就会变得僵硬,直到你的肌肉受不了为止。如果你连续不断地进行勾踢和反身拳法的训练的话,你可能就会像跑完半个马拉松一样气喘吁吁。而如果你进行了几轮摔跤训练的话,你可能会忍不住想 Athletes, coaches and fitness enthusiasts long ago made it clear that keeping your body is not just about your waistline. Fitness is a systematic project, including many elements: flexibility, endurance and absolute power. If it is martial arts training, the measurement of these standards. If you do a few dozen front kick kicks, your leg tendon may become stiff until your muscles can not stand it. If you train in a series of hooks and reflexes, you may be as angry as running a half marathon. If you do a few rounds of wrestling training, you may not help thinking