在美国,about 30 million children and teens participate in some form of organized sports, and more than 3.5 million injuries each year, which cause some loss of time of participation, are experienced by...更多»
受伤发生在体育和训练。没有办法解决。而运动、培训和一般体育活动有许多好处,总是潜伏着受伤的风险,如果我们不小心。一个……更多»