What Exactly Is Calcaneal Apophysitis?

Overview


Although the name might sound pretty frightening, Sever's disease is really a common heel injury that occurs in kids. It can be painful, but is only temporary and has no long-term effects. Sever's disease, also called calcaneal apophysitis, is a painful bone disorder that results from inflammation (swelling) of the growth plate in the heel. A growth plate, also called an epiphyseal plate, is an area at the end of a developing bone where cartilage cells change over time into bone cells. As this occurs, the growth plates expand and unite, which is how bones grow. Sever's disease is a common cause of heel pain in growing kids, especially those who are physically active. It usually occurs during the growth spurt of adolescence, the approximately 2-year period in early puberty when kids grow most rapidly. This growth spurt can begin any time between the ages of 8 and 13 for girls and 10 and 15 for boys. Sever's disease rarely occurs in older teens because the back of the heel usually finishes growing by the age of 15, when the growth plate hardens and the growing bones fuse together into mature bone. Sever's disease is similar to Osgood-Schlatter disease, a condition that affects the bones in the knees.


Causes


The cause of Sever's Disease is not entirely clear but it is most likely due to repeated minor trauma that occurs during high-impact activities that involve running and jumping such as soccer, basketball, and gymnastics. It may also occur when an active child regularly wears shoes with poor heel padding, shock absorbency, or poor arch support. Some additional contributing factors are excessive pronation, an overly tight calf muscle, and other flaws in the biomechanics of a child's walking stride. Children who are overweight are also at greater risk of developing Sever's Disease.


Symptoms


The most prominent symptom of Sever's disease is heel pain which is usually aggravated by physical activity such as walking, running or jumping. The pain is localised to the posterior and plantar side of the heel over the calcaneal apophysis. Sometimes, the pain may be so severe that it may cause limping and interfere with physical performance in sports. External appearance of the heel is almost always normal, and signs of local disease such as edema, erythema (redness) are absent. The main diagnostic tool is pain on medial- lateral compression of the calcaneus in the area of growth plate, so called squeeze test. Foot radiographs are usually normal. Therefore the diagnosis of Sever's disease is primarily clinical.


Diagnosis


Sever's disease is diagnosed based on a doctor?s physical examination of the lower leg, ankle, and foot. If the diagnosis is in question, the doctor may order X-rays or an MRI to determine if there are other injuries that may be causing the heel pain.


Non Surgical Treatment


The simplest form of treatment is rest. Symptoms usually peak during activity. If the growth plate of the heel is allowed ample rest time and the amount of pressure is reduced, circumstances will improve. To aid in decreasing pain and swelling, wrap the heel with an ice pack. Your podiatrists at Advanced Foot & Ankle of Arizona will provide you with the perfect guide to recovery. After examination of the affected foot, time taken off from physical activity may be recommended. Stretching exercises and physical therapy will help strengthen the tendons and muscles surrounding the growth plate.

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Viva Bednarek

Author:Viva Bednarek
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