Rhomboid major muscle
Skeletal muscle in the human back / From Wikipedia, the free encyclopedia
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The rhomboid major is a skeletal muscle of the back that connects the scapula with the vertebrae of the spinal column.[1] It originates from the spinous processes of the thoracic vertebrae T2–T5 and supraspinous ligament; it inserts onto the lower portion of the medial border of the scapula.[2] It acts together with the rhomboid minor to keep the scapula pressed against thoracic wall and to retract the scapula toward the vertebral column.[1]
Quick Facts Details, Origin ...
Rhomboid major | |
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Details | |
Origin | spinous processes of the T2 to T5 vertebrae |
Insertion | medial border of the scapula, inferior to the insertion of rhomboid minor muscle |
Artery | dorsal scapular artery |
Nerve | dorsal scapular nerve (C5) |
Actions | Retracts the scapula and rotates it to depress the glenoid cavity. It also fixes the scapula to the thoracic wall. |
Antagonist | Serratus anterior muscle |
Identifiers | |
Latin | musculus rhomboideus major |
TA98 | A04.3.01.007 |
TA2 | 2232 |
FMA | 13379 |
Anatomical terms of muscle |
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As the word rhomboid suggests, the rhomboid major is diamond-shaped. The major in its name indicates that it is the larger of the two rhomboids.[citation needed]