Rhomboid Minor Muscle
Rhomboid Major Muscle
Attachments of Rhomboid Major Muscle: Origin & Insertion
Origin: (proximal attachments)
a. Spinous process of T2-T5 vertabrae.
Insertion: (distal attachments)
a. Medial border of scapula inferior to spina scapulae.
Actions on the shoulder (scapula):
a. Retracts the medial border of scapula while it downwardly rotates the lateral angle.
b. Elevates the medial border of scapula while it downwardly rotates the lateral angle.
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Innervation of Rhomboid Major Muscle:
- Dorsal scapular nerve (C5).