Other names: calf hypertrophy

Zoom calf muscle hypertrophy, or their symptom is very severe and of genetic muscular disease – called. Duchenne muscular dystrophy. It is a disease that occurs only in boys,because defective gene for dystrophin is located on the X chromosome, so that girls and women are asymptomatic carriers of the disease.

The illness begins to appear around 3 to 5 year of life, at first quietly: the child is clumsy when children hrách- climbing, jumping, etc.. Later it begins to appear myopathic syndrome – Myopathic Cradle walk, bulging belly, pull forward lumbar spine dopředu- hyperlordosis and called. myopathic šplhání- child wakes up from a squatting position and that climbs through the upper extremities the legs and trunk. Sometimes you even in toddlers can be observed hypertrophy of the calf muscles.

The disease is highly malignant, around the 12th year of life leads to contractures of the Achilles tendon, walking is no longer possible and the child’s wheelchair. Also occurs even damage to the heart – cardiomyopathy, which may be a cause of death was about the 20.roku life. Another cause of death is respiratory failure or infection.