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What causes limb-girdle muscular dystrophy?

All types of limb-girdle muscular dystrophy are caused by damaged or defective genes. The particular genetic mutation that causes it depends on which type of the disease you have. Most commonly, the cause is a genetic defect that causes problems in the proteins that make up the muscle cell membranes. Because of this lack of protein, the muscle cells don't function properly. This leads to muscle weakness, especially in the shoulders and hips.

Continue Learning about Muscular Dystrophy

How many people are affected with muscular dystrophy (MD)?
Riverside Center for NeurosciencesRiverside Center for Neurosciences
Muscular dystrophy (MD) occurs worldwide, affecting all races. Its incidence varies, as some forms a...
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How does muscular dystrophy (MD) affect muscles?
Riverside Center for NeurosciencesRiverside Center for Neurosciences
Muscles are made up of thousands of muscle fibers. Each fiber is actually a number of individual cel...
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Is muscular dystrophy life-threatening?
Honor Society of Nursing (STTI)Honor Society of Nursing (STTI)
Depending on the type of muscular dystrophy, the disease can be life-threatening. Most of the time, ...
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What do I need to know about caring for someone with muscular dystrophy?
Honor Society of Nursing (STTI)Honor Society of Nursing (STTI)
When caring for someone with muscular dystrophy, it's important to remember that the disease impacts...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.