俗话说“冬练三九夏练三伏”。冬季参加体育锻炼,对于促进青少年朋友身体健康,提高心肺功能有非常大的益处。但是冬季气候寒冷,在这样的环境下参加体育锻炼,身体为抵抗寒冷,需要消耗更多的能量物质。如果不注意营养补充, As the saying goes “Winter training thirty-nine summer training three volts.” Winter physical exercise, to promote physical health of young friends, improve cardiopulmonary function has a very big benefit. However, in winter, the climate is cold. In this environment, physical exercise is taken and the body needs more energy to resist the cold. If you do not pay attention to nutritional supplements,