Calcaneal Apophysitis

Calcaneal apophysitis, commonly known as Sever’s disease, is an overuse injury that affects the growth plate (apophysis) of the heel bone (calcaneus) in children and adolescents. It typically occurs during periods of rapid growth, usually between the ages of 8 and 14, when the growth plate is still developing and vulnerable to repetitive stress. The condition is one of the most frequent causes of heel pain in active children, especially those involved in sports that involve running and jumping, such as soccer, basketball, or gymnastics. Although it is called “Sever’s disease,” it is not a disease in the traditional sense, but rather a temporary inflammation that resolves once the growth plate closes.

The cause of calcaneal apophysitis is primarily mechanical stress on the heel’s growth plate, where the Achilles tendon attaches. During a growth spurt, the bones often grow faster than the muscles and tendons, creating increased tension at this attachment point. Repetitive impact from running or jumping can irritate and inflame the area, leading to pain and swelling at the back or bottom of the heel. Flat feet, high arches, poor footwear, or tight calf muscles can increase the risk. The condition may affect one or both heels, and pain often worsens with activity and improves with rest.

Symptoms of calcaneal apophysitis typically include heel pain during or after physical activity, tenderness when the sides of the heel are squeezed, and sometimes a noticeable limp or walking on tiptoe to avoid pressure on the heel. Unlike fractures or infections, Sever’s disease does not usually cause swelling, bruising, or redness beyond mild irritation. Diagnosis is clinical, based on the patient’s age, activity level, and characteristic pain pattern. X-rays are often normal but may be used to rule out other causes of heel pain such as fractures, cysts, or infection if symptoms are atypical or severe.

Treatment focuses on relieving pain, reducing inflammation, and preventing recurrence until the growth plate naturally closes. Rest and modification of activities are key—children are often advised to reduce high-impact sports temporarily. Ice packs, stretching exercises (particularly for the Achilles tendon and calf muscles), and supportive footwear with cushioned heels or heel lifts help alleviate stress on the heel. In more severe cases, orthotic inserts or physical therapy may be recommended. The prognosis for calcaneal apophysitis is excellent; symptoms generally resolve completely once skeletal maturity is reached, and there are no long-term complications when managed appropriately..

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Calcaneal apophysitis

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