一、运动项目、活动内容的选择 运动项目、活动内容的选择应根据锻炼者的年龄、健康状况、体育基础、个人爱好及客观条件而定，其中长跑是冬季较好的锻炼项目之一。进行长跑运动能使人的吸氧量增加，使人体内糖和脂肪等物质得到消耗，进而转化成生命所需的热能，同时刺激肾上腺 First, the choice of sports, activities Content of sports, activities should be based on the age of the exerciser, health status, sports, personal preferences and objective conditions may be, of which long-distance running is one of the better winter exercise. Long-distance running can make people’s oxygen increased, so that the human body of sugar and fat and other substances are consumed, and then converted into the heat of life, while stimulating the adrenal gland