论文部分内容阅读
途中跑是短跑中距离最长的段落。途中跑技术的掌握很大程度上影响短跑的成绩。一、技术要领 (一)摆臂技术:颈肩放松,上体前倾或正直,手腕放松,两臂弯屈、大小臂约90°,以肩关节为轴前后有力摆动,摆臂动作要与腿部动作相配合。向前摆的速度要快,幅度要大,并不同程度的带动肩部沿脊柱做前后扭转。 (二)摆腿动作:随着跑动惯性,摆动腿以髋关节发力带动同侧腿放松折叠、快速向前摆动。大腿抬起,与上体倾斜线接近垂直。摆动腿大腿积极下压,足前掌积极扒地,脚掌迅速有力的落在身体重心垂影点前适当位置。着地瞬间,小腿与地面垂
On the way to run is the longest paragraph in the sprint. Mastery of running skills on the way to a large extent affect the sprint performance. First, the technical essentials (A) swing arm technology: neck and shoulder relaxation, upper body forward or straight, wrist relaxation, arms flexion, arm size of about 90 ° to the shoulder joint axis before and after the powerful swing arm action to be Leg movements match. To move forward faster, the magnitude should be large, and to varying degrees, driven around the spine to do around the spine. (B) leg swing action: With the running inertia, swing leg force to promote hip joint ipsilateral leg to relax and fold, quickly swing forward. Thigh lift, and the upper body inclined line close to vertical. Swing leg thigh active pressure, forefoot, solemnly and actively, the soles of the feet quickly and effectively fall in place before the vertical center of gravity of the body. The moment of landing, leg and ground hanging