Getting out of bed and sitting on the toilet may be relatively simple tasks for many people, but they become more difficult with age. This is because of one of the many bodily changes associated with aging: our muscles shrink ...
Sep 10, 2024
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A study has shed new light on the mechanisms behind idiopathic inflammatory myopathies (myositis), a group of systemic autoimmune disorders known for causing severe muscle weakness, fatigue, and increased mortality.
Sep 6, 2024
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Skeletal muscle is a form of striated muscle tissue existing under control of the somatic nervous system. It is one of three major muscle types, the others being cardiac and smooth muscle. As its name suggests, skeletal muscle is linked to bone by bundles of collagen fibers known as tendons.
Skeletal muscle is made up of individual components known as muscle fibers. These fibers are long, cylindrical, multinucleated cells composed of actin and myosin myofibrils repeated as a sarcomere, the basic functional unit of the cell and responsible for skeletal muscle's striated appearance and forming the basic machinery necessary for muscle contraction. The term muscle refers to multiple bundles of muscle fibers held together by connective tissue.
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