Sever's disease is a disorder of the growth plate of the calcaneus. Symptoms most often occur at the posterior (back of the heel) aspect of the growth plate but sometimes are experienced at the plantar aspect below the heel. The Achilles tendon attaches to the posterior aspect of the growth plate and the plantar fascia takes part of its origin from the plantar aspect. Sever?s disease occurs more often in boys than girls. The age of onset is usually between 8 to 12 years. Sever?s disease is believed to be caused by overuse. On x-ray the growth center first appears in girls between the ages of 4 to 6 years and boys aged 7 to 8 years. The centers fuse to the primary ossification center of the calcaneus in girls at approximately ages 12 to 14 on boys at ages 15 to 17.
When a baby is born, most of the bones are still cartilage with only some starting to develop into bone. When the heel (calcaneus) starts to develop bone, there is generally one large area of development that starts in the center of the cartilage heel. This area of bone spreads to 'fill up' the cartilage. Another area of bone development (ossification) occurs at the back of the heel bone. These two areas of developing bone will have an area of cartilage between them, this is how the bone grows in size. At around age 16, when growth is nearly complete, these two bony areas fuse together. Sever's disease or calcaneal apophysitis is usually considered to be due to damage or a disturbance in this area of growth.
Athletes with Sever?s disease are typically aged 9 to 13 years and participate in running or jumping sports such as soccer, football, basketball, baseball, and gymnastics. The typical complaint is heel pain that develops slowly and occurs with activity. The pain is usually described like a bruise. There is rarely swelling or visible bruising. The pain is usually worse with running in cleats or shoes that have limited heel lift, cushion, and arch support. The pain usually goes away with rest and rarely occurs with low-impact sports such as bicycling, skating, or swimming.
A physical exam of the heel will show tenderness over the back of the heel but not in the Achilles tendon or plantar fascia. There may be tightness in the calf muscle, which contributes to tension on the heel. The tendons in the heel get stretched more in patients with flat feet. There is greater impact force on the heels of athletes with a high-arched, rigid foot pain and numbness - claribelluttmer.jimdo.com,.
Non Surgical Treatment
Once diagnosed, there is a list of treatment options available to begin the recovery process. Unfortunately due to the nature of the condition it will often be a reoccurring condition until closure of the growth plates of the heel and elongation of the soft tissue structures. However with appropriate education, correct management of symptoms and prevention strategies, Severs disease can be well managed by the individual and their parents.
The surgeon may select one or more of the following options to treat calcaneal apophysitis. Reduce activity. The child needs to reduce or stop any activity that causes pain. Support the heel. Temporary shoe inserts or custom orthotic devices may provide support for the heel. Medications. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, help reduce the pain and inflammation. Physical therapy. Stretching or physical therapy modalities are sometimes used to promote healing of the inflamed issue. Immobilization. In some severe cases of pediatric heel pain, a cast may be used to promote healing while keeping the foot and ankle totally immobile. Often heel pain in children returns after it has been treated because the heel bone is still growing. Recurrence of heel pain may be a sign of calcaneal apophysitis, or it may indicate a different problem. If your child has a repeat bout of heel pain, be sure to make an appointment with your foot and ankle surgeon.
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