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Levator scapulae
Other Terms:
Levator scapulae muscle,
Musculus levator scapulae,
Muscle élévateur de la scapula
Muscle parts
None
Latin name
Musculus levator scapulae
Latin muscle parts
None
Group
Pectoral girdle muscle or Cervical wall – lateral musculature – supracostal or outermost layer
Etymology
In English, this muscle’s name means the muscle that lifts the scapula. The term levator comes from the Latin verb levare meaning “to lift.”Scapulae is the genitive reference to the scapula bone, which this muscle lifts upward.
Origin
Posterior tubercles of the transverse processes of cervical vertebrae 1 to 4.
Insertion
Superior angle and the medial aspect of the superior margin of the scapula.
Action
Elevation of the scapulaPulling from the upper cervical region in a line that parallels the medial aspect of the scapula the muscle functions effectively as an elevator of the scapula. It “shrugs” the shoulders.Downward rotation of the glenoid cavity of the scapulaWorking with the rhomboids and the pectoralis minor it weakly assists with downward rotation of the glenoid cavity.Additionally, when the scapula is fixed, the muscle laterally flexes the neck to that side.Working with the other scapular muscles, this muscle helps to stabilize the scapula and its associated glenoid cavity to improve the functional efficiency of the muscles working at the shoulder joint.
Nerve supply
Dorsal scapular nerve (C5) with direct branches from cervical ventral rami (C3 and C4)
Blood supply
Transverse cervical artery, ascending cervical artery, branches of the vertebral artery
Latin
Musculus levator scapulae
French
Muscle élévateur de la scapula