|X-ray of the foot of a 11 year old male, showing sclerosis and fragmentation of the calcaneal apophysis. This is a sign of low sensitivity and specificity of Sever's disease, because those with Sever's disease may not have it, and it is commonly present in feet without any symptoms.|
|Classification and external resources|
Sever's Disease, otherwise known as calcaneal apophysitis is an inflammation of the growth plate in the heel of growing children, typically adolescents. The condition presents as pain in the heel and is caused by repetitive stress to the heel and is thus particularly common in active children. It usually resolves when the bone has completed growth or activity is lessened.
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 directly related to overuse of the bone and tendons in the heel. This can come from playing sports or anything that involves a lot of heel movement. It can be associated with starting a new sport, or the start of a new season. Children who are going through adolescence are also at risk of getting it because the heel bone grows quicker than the leg. Too much weight bearing on the heel can also cause it, as can excessive traction since the bones and tendons are still developing. It occurs more commonly in children who over-pronate, and involves both heels in more than half of patients.
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- Maintain good flexibility through stretching exercises
- Avoid excessive running on hard surfaces
- Use quality, well-fitting shoes with firm support and a shock-absorbent sole
Treatment may consist of one or more of the following:
- Elevating the heel
- Stretching hamstring and calf muscles 2–3 times daily
- Using R.I.C.E. (Rest, Ice, Compression, Elevation)
- Foot orthotics
- Physical therapy
- Icing daily (morning)
- Heating therapy
- Open back shoes are best
- Avoid high heel shoes
Sever's disease is self-recovering, meaning that it will go away on its own when the foot is used less or when the bone is through growing. The condition is not expected to create any long-term disability, and expected to subside in 2 or more weeks. Some orthopedic surgeons will put the affected foot in a cast to immobilize it.
While symptoms can resolve quickly, they can recur. Sever's disease is more common in boys than girls; the average age of symptom onset is nine to eleven years.
It is named for James Warren Sever (1878–1964), an American Orthopedic doctor, who characterized it in 1912. Dr Sever had "The Principles of Orthopaedic Surgery" published in 1940 by The Macmillan Company.
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- Kose, Ozkan (2010). "Do we really need radiographic assessment for the diagnosis of non-specific heel pain (calcaneal apophysitis) in children?". Skeletal Radiology. 39 (4): 359–361. doi:10.1007/s00256-009-0774-y.
- "Sever's Disease". Kidshealth.org. Retrieved 2014-04-29.
- Hendrix CL (2005). "Calcaneal apophysitis (Sever disease)". Clinics in podiatric medicine and surgery. 22 (1): 55–62, vi. doi:10.1016/j.cpm.2004.08.011. PMID 15555843.
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- Bailey, Christopher; Cannon, Mary (May 2014). "Sever Disease (Calcaneal Apophysitis)". The Journal of the American Osteopathic Association. 114 (05): 411. doi:10.7556/jaoa.2014.081.
- Foot Physicians - Pediatric Heel Pain