Muscles connecting the upper extremity to the vertebral column. (Rhomboid minor in red)
Details
Origin
Nuchal ligaments and spinous processes of C7-T1
Insertion
Medial border of scapula, superior to the insertion of rhomboid major muscle
Artery
Deep branch of transverse cervical artery
Nerve
Dorsal scapular nerve (C4–5)
Actions
Retracts and rotates scapula, fixes scapula to thoracic wall
Antagonist
Serratus anterior
Identifiers
Latin
musculus rhomboideus minor
TA98
A04.3.01.008
TA2
2233
FMA
13380
Anatomical terms of muscle
[edit on Wikidata]
In human anatomy, the rhomboid minor is a small skeletal muscle of the back that connects the scapula to the vertebrae of the spinal column.[citation needed] It arises from the nuchal ligament, and the 7th cervical and 1st thoracic vertebrae and intervening supraspinous ligaments; it inserts onto the medial border of the scapula. It is innervated by the dorsal scapular nerve.
It acts together with the rhomboid major to keep the scapula pressed against the thoracic wall.[1]
^Platzer, W (2004). Color Atlas of Human Anatomy, Vol. 1: Locomotor System (5th ed.). Thieme. p. 144. ISBN 1-58890-159-9.
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