Free style drill and 技巧

free style arm 三个分解动作

胸前画八字，感受前臂压水

腰部画八字

从肚脐眼往后退水

高肘如果大拇指翘起来可以感觉碰到腋窝，空中移臂中指感觉就在水面划过，drill可以中指划过水面找感觉

技巧：

feel like swim downwards, straighten the body

踢腿时候不要分开腿，尤其是在呼吸的时候。imagine two big towes need to touch each other. 呼吸露半个镜片。 

arm stretch forward more

推水手臂伸直，推满水

keep kicking the legs

High elbow that hands go into the water first not the elbow