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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


rhomboid muscles

Anatomy; Muscular

Are rhombus-shaped muscles associated with the scapula and are chiefly responsible for its retraction.

pectoralis major muscle

Anatomy; Muscular

A thick, fan-shaped muscle, situated at the chest (anterior) of the body. It makes up the bulk of the chest muscles in the male and lies under the breast in the female. Underneath the pectoralis ...

pectoralis minor muscle

Anatomy; Muscular

A thin, triangular muscle, situated at the upper part of the chest, beneath the pectoralis major.


Anatomy; Muscular

A small triangular muscle, placed between the clavicle and the first rib. (1) Along with the pectoralis major and pectoralis minor muscles, the subclavius muscle makes up the anterior wall of the ...

serratus anterior muscle

Anatomy; Muscular

A muscle that originates on the surface of the upper eight or nine ribs at the side of the chest and inserts along the entire anterior length of the medial border of the scapula.


Anatomy; Muscular

The muscle forming the rounded contour of the shoulder. Anatomically, it appears to be made up of three distinct sets of fibers though electromyography suggests that it consists of at least seven ...

teres major muscle

Anatomy; Muscular

A muscle of the upper limb and one of six scapulohumeral muscles. It is a thick but somewhat flattened muscle, innervated by the lower subscapular nerve.

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