蛙泳伸臂阶段上体下沉过深现象分析研究
发布时间：2018-12-17 20:59
【摘要】：上体下沉过深,口鼻难于出水,吸气困难,游速慢,是蛙泳学习阶段遇到的普遍问题。对蛙泳伸臂阶段上体下沉过深现象进行分析,认为下沉时上体升力不足是上体下沉的力学根本原因;吸气时上体出水偏高,外划手掌划水过肩,伸臂阻力大,换气时头手配合节奏不当,伸臂偏迟,水性未达学习进程要求,划臂升力不足等是导致蛙泳上体下沉过深动的运动技术学原因。
[Abstract]:It is a common problem in breaststroke learning stage that the upper body sinks too deep, the mouth and nose are difficult to effluent, the inhale is difficult and the speed of swimming is slow. The phenomenon of oversinking of upper body in the stage of extending arm of breaststroke is analyzed, and it is considered that insufficient lift of upper body when sinking is the fundamental reason of the sinking of upper body. When inhale, the upper body and water outlet are higher, the outer hand strokes across the shoulder, the arm stretch resistance is large, the head and hand coordination rhythm is improper, the extension arm is late, and the water quality is not up to the requirements of the learning process. The insufficient lift of the stroke is the cause of the deep motion of the breaststroke upper body.
【作者单位】： 广东工业大学体育部;
【分类号】：G861.13
本文编号：2384790
[Abstract]:It is a common problem in breaststroke learning stage that the upper body sinks too deep, the mouth and nose are difficult to effluent, the inhale is difficult and the speed of swimming is slow. The phenomenon of oversinking of upper body in the stage of extending arm of breaststroke is analyzed, and it is considered that insufficient lift of upper body when sinking is the fundamental reason of the sinking of upper body. When inhale, the upper body and water outlet are higher, the outer hand strokes across the shoulder, the arm stretch resistance is large, the head and hand coordination rhythm is improper, the extension arm is late, and the water quality is not up to the requirements of the learning process. The insufficient lift of the stroke is the cause of the deep motion of the breaststroke upper body.
【作者单位】： 广东工业大学体育部;
【分类号】：G861.13
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