uniform speed

[hvkyez49]

2013 Suzhou Detailed examination sports swimming posture
1, freestyle Description: freestyle posture without any restrictions, crawl fastest, is currently the only posture freestyle, this posture reasonable structure, small resistance, uniform speed, is the most effortless kind of swimming posture. General common is the water every two times, fetching water six times, breathing 1 2, body posture: freestyle streamlined body prone on the surface of the water, back and hip muscles to maintain proper tension, keep your head in the swim in a smooth, torso around the longitudinal axis of the body's natural rhythm rotation 3545. ,
3, arm movements:
1, the arm into the curve of the water line,cheap ugg, from the side, congratulating each other for the body of the water path is S shape 2, freestyle arms with a cross-match before, the cross-tie, and after the cross with three kinds of basic form. Front cross form easy for beginners to master the way arm to draw water arm action is a beginners should focus on exercises movements. Left arm the water,ugg outlet uk, you can right arm supporting plate. Generally kick about 10 production arm stroke again. Mastered to a certain extent, when coupled with breathing exercises 4, leg movements, whip kick:
1 the kick from the hip began to force,Ugg Outlet, thigh, leg drive,ugg boots uk, do whip kick action 2. Upward leg kick from straight to curved. Straight leg started to play up, feet close to the surface, knees, leg elevation, the foot Cheng out of the water after the kick down. Start to straight leg kick, but the legs slightly relaxed, not stiff, under the pressure of the water legs will
Natural bent. Kick down before the knee bending angle of about 130,160 degrees, fetching water by about 3040 cm. Stretched when the foot kick (ballet feet),Ugg Boots Sale, do not hook feet.
相关的主题文章: