冬季长跑运动作为中学田径运动的一个组成部分,是课堂教学不可缺少的传统项目。通过冬季长跑可改善学生的内脏器官机能,对增强学生体质具有积极意义,同时可以培养学生的吃苦耐劳、坚忍不拔的意志品质。但冬季长跑对学生的生理负荷大,动作 As an integral part of middle school athletics, winter long distance running is an indispensable traditional item in classroom teaching. Through the winter long-distance running can improve students’ visceral organs function, which has positive significance to enhance students’ physique, at the same time can cultivate students’ hard-working, perseverance will quality. But the winter long-distance running on the students’ physiological load, action