在排球比赛中,运动员为了扑救一个险球往往要倒地滚翻,将球救起。在平时的训练中,运动员也要一次次地做滚翻训练,这是为什么呢?原来,人在倒地的一瞬间,速度很快,触地时受到的冲撞会很厉害。如果用手指、手掌或者胳膊来支撑我们的身体,因为这些部位比较脆弱,在冲击力很大的时候难免会引起脱臼、骨折等损伤。为了避免受伤,触地的部位就显得格外的重要。倒地时,如果主动把身体缩 In the volleyball game, the athletes in order to save a dangerous ball often fall to the ground, save the ball. In normal training, athletes also have to roll over again and again to do the training, which is why? It turned out that people fell to the ground the moment, the speed is very fast, when hit by the collision will be very powerful. If the fingers, the palm or the arm to support our body, because these parts are more vulnerable, in the great impact of the time will inevitably lead to dislocation, fracture and other injuries. In order to avoid injury, the touchdown of the site is particularly important. When falling to the ground, if take the initiative to shrink the body