The possible causes of tibialis posterior muscle pain include calcium deficiency, myofasciitis, muscle strain and herniated disc. 1. Calcium deficiency: Insufficient calcium in the body will directly affect the bones and muscle tissues of the human body, and pain in the tibialis posterior muscle may occur. 2. Myofasciitis: It may be caused by cold, trauma, excessive activities, etc., resulting in inflammation of the local fascia, resulting in aseptic myofasciitis, which appears in this phenomenon. 3. Muscle strain: it may be caused by strenuous exercise, excessive exercise or improper exercise, resulting in muscle strain of the tibialis posterior muscle, which appears this phenomenon. 4. Lumbar disc herniation: patients with lumbar disc herniation may also suffer from radiating pain in the lower limbs due to compression of local nerves by the herniated disc. Tibialis posterior muscle pain may also have other causes, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.