Latissimus Dorsi Muscle - Attachments, Action & Innervation
Levator Scapulae Muscle
The levator scapulae muscle is a shoulder muscle on the side of the neck and upper back. It belongs to the posterior axioappendicular muscles.
Attachments of Levator Scapulae: Origin & Insertion
Origin: (proximal attachments)
a. Transverse processes of the C1-C4 vertebrae.
Insertion: (distal attachments)
a. Medial border of the scapula between spine and superior angle.
Actions on the shoulder (scapula):
a. Elevates medial border of the scapula while downwardly rotating lateral angle.
b. Helps trapezius and rhomboid muscles pull scapula upward and medially.
Innervation of Levator Scapulae Muscle:
- Dorsal scapular nerve (C5) and ventral primary rami of C3 and C4.
Learn the attachments, innervations and functions of the levator scapulae even faster with this trunk wall muscle anatomy reference chart.