Overview
The levator scapulae is a narrow muscle running from the upper neck to the top inner corner of the shoulder blade. As its name suggests, it helps elevate the scapula, but it also contributes to neck movement.
Location
- Runs along the back and side of the neck
- Lies deep to the upper trapezius
- Attaches to the superior angle of the scapula
Origin, Insertion, Nerve Supply, and Action
- Origin: Transverse processes of the first four cervical vertebrae
- Insertion: Superior angle and upper medial border of the scapula
- Nerve supply: Dorsal scapular nerve and cervical nerves C3–C4
- Action: Elevates and downwardly rotates the scapula; assists neck side-bending and rotation
Function
- Helps shrug and carry loads
- Controls the upper corner of the scapula
- Works with the rhomboids during downward rotation
- Assists neck positioning when the scapula is fixed
Structures It Connects To
- Upper cervical spine
- Scapula
- Rhomboids
- Dorsal scapular nerve
Movements It Assists
- Shoulder-blade elevation
- Downward rotation of the scapula
- Neck side-bending and rotation
Common Injuries
- Muscular strain or protective spasm
- Fatigue during prolonged desk work or carrying
- Weakness associated with dorsal scapular nerve dysfunction
Pain Referral Patterns
Pain may extend from the side of the neck to the upper inner border of the shoulder blade. This overlaps with symptoms from the cervical spine and trapezius, so the muscle cannot be diagnosed by pain location alone.
Clinical Relevance
Stretching can feel helpful when the muscle is sensitive, but lasting symptoms may also involve workload, neck movement, scapular control or referred pain. Assessment should consider the neck and shoulder together.
Interesting Facts
- The name literally means “elevator of the scapula.”
- Because it connects the neck and shoulder blade, it responds to movement at both regions.
Related Anatomy
Related Injuries
References
- OpenStax. "Muscles of the Pectoral Girdle and Upper Limbs." https://openstax.org/books/anatomy-and-physiology-2e/pages/11-5-muscles-of-the-pectoral-girdle-and-upper-limbs
- Standring S, ed. Gray's Anatomy. Elsevier.
- Moore KL et al. Clinically Oriented Anatomy. Wolters Kluwer.
