Sports medicine & Kinesiology

Heat stress may affect the muscles for longer than we think

People who experience heat stress during exercise may need more recovery time to let their muscles heal, according to a new mouse study published ahead of print in the American Journal of Physiology-Regulatory, Integrative ...

Sports medicine & Kinesiology

New evidence explains how warming-up enhances muscle performance

Everybody knows the importance of warming up your muscles before a workout. But what is actually going on when we warm our muscles up, and are all muscles the same? You might be surprised to find out that the science behind ...

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Skeletal muscle

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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