Levator scapulae muscle

The levator scapulae muscle is a skeletal muscle situated at the back and side of the neck. It is primarily responsible for the elevation of the scapula.

Anatomy

The levator scapulae muscle originates from the transverse processes of the first four cervical vertebrae (C1-C4). It inserts into the superior part of the medial border of the scapula.

Innervation

The muscle is innervated by the cervical nerves (C3, C4) and the dorsal scapular nerve (C5).

Blood Supply

The dorsal scapular artery supplies blood to the levator scapulae muscle.

Function

The primary function of the levator scapulae muscle is to elevate the scapula. It also assists in the downward rotation of the scapula and helps in the lateral flexion of the neck.

Clinical Significance

The levator scapulae muscle can be a source of neck pain and discomfort, often due to poor posture or muscle strain. Conditions such as levator scapulae syndrome can arise from overuse or injury to this muscle.

See Also

• Scapula
• Cervical vertebrae
• Dorsal scapular nerve
• Pectoralis minor muscle