Sever’s Disease is a serious type of ‘growing pain’ rooted in the fact that the rate of growth of a child’s heel bones is slower than that of the ligaments of the leg. The heel bone is one of the first bones in the human body to reach full size, and it is prone to injury because it is not flexible or elastic. As a child goes through growth spurts of the heel bone, the Achilles tendon, which connects the calf muscle to the heel, may be struggling to play catch-up, due to its slower rate of growth. In this scenario, the tendon and leg muscles can become strained, tight and over-stretched. As the child walks, runs or plays, repetitive pressure is placed on the tendon, and the tension can cause damage to the growing heel bone, resulting in pain and inflammation.
Sever’s disease is caused by repetitive tension and/or pressure on the growth center of the heel. Running and jumping place a large amount of pressure on the heels and can cause pain. Children with Sever’s may limp or have an altered gait due to the pain. Risk factors for Sever’s include tight calf muscles, weak ankle muscles, and alignment abnormalities at the foot and ankle. Sever’s can also result from wearing shoes without sufficient heel padding or arch support.
Pain is usually related to activity levels. In most cases the posterior aspect of the calcaneus will be tender. Checking both the medial and lateral aspects of the posterior portion of the growth plate will often show tenderness. Occasionally, the plantar aspect may be tender or both of these locations may be found to be tender. Frequently the Achilles tendon is tight and there may have been a recent increase in activity. The factors contributing to this disorder are similar to those causing plantar fasciitis, but a tight Achilles tendon appears to be a greater contributor than pronation.
A Podiatrist can easily evaluate your child?s feet, to identify if a problem exists. Through testing the muscular flexibility. If there is a problem, a treatment plan can be create to address the issue. At the initial treatment to control movement or to support the area we may use temporary padding and strapping and depending on how successful the treatment is, a long-term treatment plan will be arranged. This long-term treatment plan may or may not involve heel raises, foot supports, muscle strengthening and or stretching.
Non Surgical Treatment
Decreasing or stopping sport is necessary until the pain reduces. Let pain be your guide, as it decreases you can slowly return to all activities. To help settle inflammation use an ice pack or rub an ice cube over the
painful area for 5 minutes daily whilst pain persists. Wearing supportive trainers during the day can help to soften the impact of walking on the heel. Encourage a normal pattern of walking. Complete the stretches below every day and before and after activity until your symptoms settle.
Stretching exercises can help. It is important that your child performs exercises to stretch the hamstring and calf muscles, and the tendons on the back of the leg. The child should do these stretches 2 or 3 times a day. Each stretch should be held for about 20 seconds. Both legs should be stretched, even if the pain is only in 1 heel. Your child also needs to do exercises to strengthen the muscles on the front of the shin. To do this, your child should sit on the floor, keeping his or her hurt leg straight. One end of a bungee cord or piece of rubber tubing is hooked around a table leg. The other end is hitched around the child’s toes. The child then scoots back just far enough to stretch the cord. Next, the child slowly bends the foot toward his or her body. When the child cannot bend the foot any closer, he or she slowly points the foot in the opposite direction (toward the table). This exercise (15 repetitions of “foot curling”) should be done about 3 times. The child should do this exercise routine a few times daily.