Muscle
Rhomboid minor
Scapular retractor (superior)
High-yield
Sits above rhomboid major; both retract the scapula via the dorsal scapular nerve.
Overview
A small cylindrical muscle superior to rhomboid major with the same retracting action on the scapula.
Reference facts
- Origin
Nuchal ligament and spinous processes of C7–T1
- Insertion
Medial border of the scapula at the root of the spine
- Action
Retracts and rotates the scapula to depress the glenoid cavity
- Innervation
Dorsal scapular nerve (C4, C5)
- Blood supply
Dorsal scapular artery