Sever’s disease, also known as calcaneal apophysitis, is an inflammatory condition of the growth plate of the heel (calcaneus). Sever’s disease is seen during periods ofSever’s_Disease_x-ray active bone growth, particularly between the ages of 10 and 14 years old. Sever’s disease is a self limiting condition, meaning that all cases of Sever’s disease will disappear once bone growth is finalized and the growth plate of the heel closes. Skeletal maturity and closure of the growth plate occurs for most children at 15-16 years of age. The onset of Sever’s Disease is insidious and found more in boys than girls.
Sever?s disease is often associated with a growth spurt, when the bones grow but the muscles do not. Therefore the muscles effectively become tighter which results in increased stress at the heel. It may also be related to unusual biomechanics, for instance poor foot posture, muscle tightness or muscle weakness. Overtraining or incorrect training can also play a part. Usually, the cause is a combination of factors.
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.
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
If the problem is bad enough, it is important to totally rest the symptomatic foot. Take a break from sport activity until the pain has significant improvement. Severe cases will need to be treated with a cast boot. Anti-inflammatory treatments include Icing, Over-the-counter anti-inflammatory medicine as recommended by your pediatrician or podiatrist. Shock absorption and support. Don’t go barefoot at home, wear some type of good sandal or shoe. A significant and/or chronic case should be treated with prescription orthotics. This addresses mechanical problems that cause this problem, Using an over-the-counter heel cushion inside of the shoe, Athletic foot taping, Stretching. Runners stretch to stretch out the calf muscle. A night splint will also help. Severe or chronic cases respond best to prescription orthotics with specific modifications for this problem. May require a night splint. Daytime braces that may also help.