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How does distal muscular dystrophy affect the body?

 All distal muscular dystrophies are caused by genetic mutations that affect the functioning of muscles. Often, the mutations cause problems with one of the various proteins that form muscle cells. These genetic problems lead to muscle weakness that most commonly affects voluntary muscles in the distal muscles, or muscles farthest from the torso, such as the hands, forearms, feet, and lower legs. Sometimes, distal muscular dystrophy can also affect muscles in the neck and heart. In most cases, the disease progresses over time to affect muscles in the upper legs and arms, and may lead to a loss of mobility.

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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.