Levator Scapulae Muscle
Origin: Posterior tubercles of the transverse processes of C1 to C4
Insertion: Superior part of the medial border of the scapula
Actions: Elevation of the scapula
Innervation: Anterior primary rami of C3 and C4 and the dorsal scapular nerve (C5)
Blood Supply: Dorsal scapular artery
Primary Actions of the Levator Scapulae
1. Elevation of the scapula
Agonists:
- Trapezius (upper part)
Antagonists:
- Trapezius (lower part)
- Serratus anterior (lower part)
- Pectoralis minor
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Secondary Actions of the Levator Scapulae
1. Downward rotation of the scapula
Agonists:
- Serratus anterior (upper part)
- Rhomboid major
- Rhomboid minor
- Pectoralis minor
Antagonists:
- Trapezius
- Serratus anterior (lower part)
Muscle Pain Information: The levator scapulae muscle contributes to pain in the neck, slope of the shoulder and upper back.
An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!