How to through the arm movements to strengthen, stretch and relax the muscle fascia, to solve the chronic pain and increase flexibility. 12. 30kb 骨盆保持着平衡,因为腰肌使大腿前侧屈曲,臀肌使大腿前侧伸长或者伸展。 The pelvis is kept balanced because the psoas flexes the thigh, and the glut...