体操运动员以其矫健的身姿和精湛的技艺给人以力和美的享受。奇怪的是体操运动员在做器械体操时,常要在手掌上擦抹一种白色的粉末,这是为什么?这种白色的粉末是什么呢? 原来这种白粉叫“镁粉”,可你不要误解它是金属镁粉,它的化学名称叫碳酸镁。运动员手掌心汗腺比较发达,容易出汗,汗湿的手掌心磨擦力较小,会使运动员握不紧器械,易从器械上跌落下来造成失误丢分甚至受 Gymnasts give people strength and beauty with their vigorous posture and exquisite artistry. The strange thing is that when gymnasts do gymnastics, they often wipe a white powder on their palms. Why is this white powder? The original white powder is called “magnesium powder,” but you don’t It is misunderstood that it is metal magnesium powder, its chemical name is magnesium carbonate. The sweat glands of the athlete’s palm are relatively developed, they are prone to sweating, and the sweat of the sweaty palm is small. This can make the athletes hold the instruments tightly and easily fall from the instruments, resulting in missing points or even being affected by mistakes.