left serratus anterior
Muscular systemThoraxLeftFMA13399
Nomenclature
left serratus anterior
musculus serratus anterior (Latin)
muscolo dentato anteriore sinistro (Italian)
Descriptionentry
Broad muscle covering the lateral chest wall and inserting on the scapula.
Functionentry
Protracts and laterally rotates the scapula; holds it against the chest wall.
Originentry
External surface of the first eight or nine ribs.
Insertionentry
Medial border and inferior angle of the scapula.
Innervationentry
Long thoracic nerve (C5-C7).
Blood supplyentry
Lateral thoracic artery.
Clinical notes
Injury to the long thoracic nerve causes winged scapula.
Part of
Related structures
Model