What causes weakness and soreness in the back of the knee?
Dec 06, 2022
Source: Cainiu Health
Dr. Lin Yunfei
Introduction
Leg weakness and soreness may be caused by calcium deficiency, lumbar disc herniation, or degenerative osteoarthritis. Rapid calcium loss or insufficient calcium intake leads to calcium deficiency, resulting in this symptom. Lumbar disc herniation causes radiating pain that spreads from the lower back to the buttocks and the posterior-lateral thigh, producing this condition. Degenerative osteoarthritis results from damaged cartilage cells and cell necrosis, leading to leg weakness and soreness.
Leg weakness and soreness may be caused by factors such as calcium deficiency, lumbar disc herniation, or degenerative osteoarthritis.
1. Calcium deficiency: Insufficient calcium intake or excessive loss of calcium from the body may lead to low calcium levels, resulting in this symptom. It is recommended to take calcium supplements such as calcium lactate granules or calcium carbonate D3 tablets under medical guidance to help relieve symptoms.
2. Lumbar disc herniation: Trauma, exposure to cold or dampness, or degenerative changes in the lumbar spine may cause intervertebral disc protrusion. This condition often causes radiating pain that spreads from the lower back to the buttocks, posterior and lateral thighs, leading to such symptoms. Adequate rest is advised, and under a doctor's supervision, treatments such as massage or traction may help reduce intradiscal pressure and alleviate nerve root irritation and compression.
3. Degenerative osteoarthritis: Factors such as injury, metabolic disorders, or endocrine abnormalities may damage cartilage cells, trigger enzyme release, and result in cell necrosis, leading to degenerative joint disease. This can cause symptoms including leg weakness, soreness, and pain. Rest is recommended, and under medical guidance, therapies such as acupuncture, massage, and infrared light irradiation may improve local blood circulation, support joint health, and relieve symptoms.
In addition, conditions such as chondromalacia patellae or synovitis may also cause similar symptoms. It is advisable to seek medical evaluation at a hospital to determine the exact cause and receive appropriate, targeted treatment.
