Why can't women practice lying down

Clinical does not require women can not practice return to yang lying casually, but do not recommend practice for too long.

Return to yang lying generally requires the body to maintain a natural lying state, so that the two hip joints relax, the two soles of the feet together, bilateral legs to both sides of the abduction, and as far as possible attached to the bed, at the same time with the correct breathing relaxation, can achieve the role of dredging meridians, appropriate exercise can play a certain role in health care, so there is no woman can not practice return to yang lying casually. However, keeping this position to sleep, because the lower limbs do not relax for a long time, may lead to increased pressure between the femoral head and acetabulum, and then cartilage or labrum damage, so it is not recommended to keep it for a long time.