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The system in the body composed of muscle cells and tissues that bring about movement of an organ or part of the body.

Contributors in Muscular


coccygeus muscle

Anatomy; Muscular

A muscle of the pelvic wall (i.e. peripheral to the pelvic floor), located posterior to levator ani and anterior to the sacrospinous ligament.

sphincter ani externus muscle

Anatomy; Muscular

A flat plane of muscular fibers, elliptical in shape and intimately adherent to the integument surrounding the margin of the anus.

sphincter ani internus muscle

Anatomy; Muscular

A muscular ring that surrounds about 2. 5 cm of the anal canal; its inferior border is in contact with, but quite separate from, the Sphincter ani externus. It is about 5 mm thick, and is formed by ...

superficial transverse perineal muscle

Anatomy; Muscular

A narrow muscular slip, which passes more or less transversely across the perineal space anterior to the anus.

bulbosspongiosus muscle

Anatomy; Muscular

Is one of the superficial muscles of the perineum. It has a slightly different origin, insertion and function in males and females. In males, it covers the bulb of the penis. In females, it covers ...

ischiocavernosus muscle

Anatomy; Muscular

A muscle just below the surface of the perineum, present in both men and women.

trapezius muscle

Anatomy; Muscular

A large superficial muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae and laterally to the spine of the scapula (shoulder blade). Its functions are to move ...

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