-Relaxation of tensor fascia lata: You can find the pain point with fascia ball and relax. After finding the pain point, press 15-20 seconds, ***3 groups.
-Activate gluteal muscles: The activated gluteal muscles can improve thigh internal rotation (hip joint).
-Stretching gracilis: For most O-legs, it is necessary to stretch gracilis and straighten the knee joint during stretching. 20 seconds in each group, ***2~3 groups.