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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



Anatomy; Muscular

The rotatores lie beneath the Multifidus and are found only in the thoracic region; they are eleven in number on either side.


Anatomy; Muscular

Are several groups of muscles that run between the ribs, and help form and move the chest wall. The intercostal muscles are mainly involved in the mechanical aspect of breathing. These muscles help ...

subcostalis muscle

Anatomy; Muscular

Consisting of muscular and aponeurotic fasciculi, which are usually well-developed only in the lower part of the thorax; each originates from the inner surface of one rib , and is inserted into the ...

transversus thoracis

Anatomy; Muscular

Lies internal to the thoracic cage, anteriorly. It is a thin plane of muscular and tendinous fibers, situated upon the inner surface of the front wall of the chest. It is in the same layer as the ...

levatores costarum

Anatomy; Muscular

There are twelve in number on either side, are small tendinous and fleshy bundles, which arise from the ends of the transverse processes of the seventh cervical and upper eleven thoracic vertebrae. ...

thoracic diaphragm

Anatomy; Muscular

A sheet of internal skeletal muscle that extends across the bottom of the rib cage. The diaphragm separates the thoracic cavity (heart, lungs & ribs) from the abdominal cavity and performs an ...

abdominal external oblique muscle

Anatomy; Muscular

The largest and the most superficial (outermost) of the three flat muscles of the lateral anterior abdomen.

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