主持人的话：本期继续向大家介绍蛙泳的手部技术。2）Insweep内划（图2-4）The insweep is the propulsive phase of the armstroke.内划是产生推进力的划水阶段。Once the catch has been made,the swimmer executes a large semi-circ...主持人的话：本期继续向大家介绍蛙泳的手部技术。2）Insweep内划（图2-4）The insweep is the propulsive phase of the armstroke.内划是产生推进力的划水阶段。Once the catch has been made,the swimmer executes a large semi-circular sweep with the arms.抓水后,手臂沿一个较大的半圆形路线划水。The arms sweep downward,inward and finally up（figure 2,3-a.b.c）till they are together under the head（figure 4-a.b.c）.手臂向下、向内,再向上（图2,3-a.b.c）划水,直至两臂在头下会合（图4-a.b.c）。展开更多
主持人的话：蛙泳作为一种流行且较为普及的泳姿深受广大游泳爱好者推崇和喜爱,在上期向大家介绍了蛙泳腿的技术动作和练习方法,本期将介绍蛙泳的手部技术。
1.The armstroke手臂动作The breaststroke is swum in a prone position.蛙...主持人的话：蛙泳作为一种流行且较为普及的泳姿深受广大游泳爱好者推崇和喜爱,在上期向大家介绍了蛙泳腿的技术动作和练习方法,本期将介绍蛙泳的手部技术。
1.The armstroke手臂动作The breaststroke is swum in a prone position.蛙泳是在俯卧的状态下向前游进。Both arms move synchronously and execute short,half-circular movements underwater.双手在水下同时进行半圆形的路线划水。展开更多
文摘主持人的话：本期继续向大家介绍蛙泳的手部技术。2）Insweep内划（图2-4）The insweep is the propulsive phase of the armstroke.内划是产生推进力的划水阶段。Once the catch has been made,the swimmer executes a large semi-circular sweep with the arms.抓水后,手臂沿一个较大的半圆形路线划水。The arms sweep downward,inward and finally up（figure 2,3-a.b.c）till they are together under the head（figure 4-a.b.c）.手臂向下、向内,再向上（图2,3-a.b.c）划水,直至两臂在头下会合（图4-a.b.c）。
文摘主持人的话：蛙泳作为一种流行且较为普及的泳姿深受广大游泳爱好者推崇和喜爱,在上期向大家介绍了蛙泳腿的技术动作和练习方法,本期将介绍蛙泳的手部技术。
1.The armstroke手臂动作The breaststroke is swum in a prone position.蛙泳是在俯卧的状态下向前游进。Both arms move synchronously and execute short,half-circular movements underwater.双手在水下同时进行半圆形的路线划水。
