Myopathy is the generic term used for all diseases affecting muscular fibers, in other words the fibers that make up muscles, capable of shortening when the muscle contracts. This class of diseases includes: degenerative myopathies, linked to genetic anomalies, metabolic myopathies, associated with impaired chemical exchanges in the body, and myopathies secondary to external substance or disease, such as an inflammation. Not all types of myopathy can be cured. When the term myopathy is used unqualified, it generally refers to muscular dystrophy, a degenerative disease that manifests at a young age and consists of a progressive loss of the muscle's ability to contract. The most common and severe example is Duchenne muscular dystrophy.
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. Translated by Jeff