短語詞組短語Feet to Back Stretch 伸足背后伸Upper -Back Stretch 上背部伸展upper back stretch 上背伸展abdomen back stretch 腹背部訓(xùn)練cable back stretch 頸后拉彈簧back -edge stretch 扇狀變形Rubber -ball back stretch 巧用橡膠球緩解背疼 返回 back stretch