Myopathies are syndromes or pathologies that affect the voluntary muscle, due to anatomo-pathological, physiological or biochemical alterations of the cells or tissue that compose it. There are different types that affect the respiratory and respiratory systems in a more or less severe way. motor. The main symptoms of these pathologies are: muscle weakness, cramps, stiffness, pain, contractures, changes in mass. They are distinguished in:
- congenital myopathies (genetically determined modifications of the muscle structure, such as central core, nemaline, centronuclear myopathy, etc.)
- acquired myopathies (caused by inflammation, such as polymyositis, dermatomyositis, etc.).