What causes leg and knee pain in a 12-year-old child?

Jun 26, 2024 Source: Cainiu Health
Disease description:

My son came home from school today and said that his legs and knees were very painful. He himself doesn't know the reason. I would like to ask what might be causing this condition?

Doctor's answer (1)
Dr. Xu Shuai
Possible causes of leg and knee pain in a 12-year-old child may include the following: 1. **Growing pains**: Rapid growth and development in children can cause bones to grow faster than muscles and fascia, resulting in pulling pain. 2. **Overexertion**: Prolonged or high-intensity physical activities, such as long-distance running or hiking, may lead to knee wear and muscle fatigue. 3. **Exposure to cold**: Inadequate clothing or insufficient warmth for the knees and legs may cause joint and muscle discomfort due to cold exposure. 4. **Calcium deficiency**: Poor eating habits or nutritional deficiencies, especially calcium deficiency, may result in muscle cramps and impaired bone development. 5. **Trauma**: A strong external impact may cause injuries such as patellar fractures or damage to joint cartilage. The exact cause should be determined based on the child's specific symptoms and a medical examination by a doctor. Appropriate treatment and care can then be provided accordingly.