Severs disease, also known as calcaneal apophysitis, is a condition in which the growth plate along the heel becomes inflamed. It most commonly occurs in active, early-teen children. Most patients with Severs disease complain of heel pain. In general the pain is exacerbated with increased activities, such as running, jumping, or climbing stairs. The pain often improves with a period of rest.
The condition generally occurs in active children at early adolescence during rapid growth periods as the heel bone can grow faster than the leg muscles causing them to become tight and overstretched. Sever?s disease most often caused by inadequate footwear, playing sport on hard surfaces, calf tightness and biomechanical problems.
The most obvious sign of Sever's disease is pain or tenderness in one or both heels, usually at the back. The pain also might extend to the sides and bottom of the heel, ending near the arch of the foot. A child also may have these related problems, swelling and redness in the heel, difficulty walking, discomfort or stiffness in the feet upon awaking, discomfort when the heel is squeezed on both sides, an unusual walk, such as walking with a limp or on tiptoes to avoid putting pressure on the heel. Symptoms are usually worse during or after activity and get better with rest.
A doctor can usually tell that a child has Sever's disease based on the symptoms reported. To confirm the diagnosis, the doctor will probably examine the heels and ask about the child's activity level and participation in sports. The doctor might also use the squeeze test, squeezing the back part of the heel from both sides at the same time to see if doing so causes pain. The doctor might also ask the child to stand on tiptoes to see if that position causes pain. Although imaging tests such as X-rays generally are not that helpful in diagnosing Sever's disease, some doctors order them to rule out other problems, such as fractures. Sever's disease cannot be seen on an X-ray.
Non Surgical Treatment
Sever?s disease treatment should be based on eliminating pain and restoring normal foot and leg biomechanics. As with most soft tissue injuries the initial treatment is Rest, Ice, and Protect. In the early phase you?ll most likely be unable to walk pain-free. Our first aim is to provide you with some active rest from pain-provoking activities. "No Pain. No Gain." does not apply in Sever's disease. If it hurts your child is doing too much exercise. Your child should reduce or cease any activity that causes heel pain. Ice is a simple and effective modality to reduce your pain and swelling. Please apply for 20-30 minutes each 2 to 4 hours during the initial phase or when you notice that your injury is warm or hot. Most children can tolerate paracetamol as a pain reducing medication. Check with your doctor. To support and protect your heels, you may need to be wear shock absorbing heel cups or a soft orthotic. Kinesio foot taping may help to provide pain relief. Your physiotherapist will guide you and utilise a range of pain relieving techniques including joint mobilisations for stiff ankle or subtalar joints, massage or electrotherapy to assist you during this pain-full phase.
Because there are several theories as to the actual cause of the disease, there is no definitive answer on prevention. Experts agree, though, that youth athletes can help minimize the risk of Sever's disease by maintaining good joint and muscle flexibility while engaging in sports or physical activities.