This situation may be related to injury and infection, and can be treated locally with some topical drugs. It may also be caused by calcium deficiency. I suggest you take Jody calcium tablets orally to supplement calcium, and eat more calcium-containing foods at ordinary times.

Support can be achieved through neck tightness pain, waist stiffness pain, inability to bend over, back tightness pain, leg pain and paralysis, inability to squat, tendon traction pain of long and short legs and heels, small steps, tight walking, tight feeling of hip ligament, inability to lift and extend thighs, inflexibility of body, muscle contraction/atrophy, inability to stretch and bend hands (shortening of hand tendons).