Normal people's lumbar spine is bent forward physiologically, and pillows can maintain normal physiological curvature. It can also relax waist muscles and relieve waist pain.

Lumbar muscle stiffness is caused by long-term pain, which leads to muscle tension. Massage and physical therapy can relieve waist muscle spasm and relieve pain. It is also necessary to strengthen your back muscle exercise and bed rest, which is conducive to rehabilitation.