谢谢！increases the flexibility of the spine and the sciatic

Nerves and most of the tendons and ligaments of the legs.

relaxing the coccyx 

我开始喜欢这个体式，臀部朝天，放松尾骨区域，往下拉伸脊柱和坐骨神经，绷直二腿，拉伸二腿。