游泳英文PPT课件.ppt

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1、SWIMMINGA perfect sportIntroductionSwimming has been recorded since stone age paintings from around 7,000 years ago，and today it has become a very popular sport around every corner of the world.swim stylesFreestyle(free)Breaststroke(breast)Backstroke(back)Butterfly(fly)Freestyle(free)Tips：lThe body

2、rolls around like round logs in the water.lPull arms underwater in an S pattern.lWhen you breath,you should keep your chin closely on the shoulder,and the swimming glasses half under the water.Breaststroke(breast)Tips:lSnap the legs together to push the water and propel you forward(frog kick).lHead

3、out of the water with the arm pulling.lBreathe every time you stroke with your arms.Backstroke(back)Tips:Thumb leaves the water first,and little finger into the water first.Move the hands in an S pattern when they are pushing the water.Butterfly(fly)Tips:The waist and abdomen send force.Pressure shoulders raise hip.Arm pull once and kick twice.Benefits1.Low impact2.Build a strong heart and Streamline muscles3.Its a break from the summer heat4.Burns caloriesIf you want to enjoy the happiness,lets jump into the water.Thank you