注意事項：
-腳往外打開的過程，骨盆不動
-雙腳保持靠攏，膝蓋往外打開
-若熟悉動作後，可以綁彈力帶在膝蓋上方增加難度
a. 促進髖關節及臀部肌群的使用
b. 增加髖關節活動度
c. 獨立髖關節的使用、避免其他部位代償
d. 運動或比賽前的熱身
***活化臀中肌: 負責走路、跑步或側移時骨盆的穩定性***
選手：王偉旭
a. To facilitate motion and the use of gluteal muscles
b. To increase and maintain hip joint mobility (or range of motion)
c. To isolate the use of hip joint and prevent compensations of other surrounding joints
d. As a warm up before training or competition
***Activate gluteus medius, which is responsible for the pelvic stability during walking, running or lateral movements***
Athlete：Wei-Hsu Wang
