left subscapularis
Muscular systemUpper limbLeftFMA13415
Nomenclature
left subscapularis
musculus subscapularis (Latin)
muscolo sottoscapolare sinistro (Italian)
Descriptionentry
The only anterior component of the rotator cuff, on the costal surface of the scapula.
Functionentry
Medial rotation of the arm; stabilises the humeral head anteriorly.
Originentry
Subscapular fossa, costal surface of the scapula.
Insertionentry
Lesser tubercle of the humerus.
Innervationentry
Upper and lower subscapular nerves (C5-C6).
Blood supplyentry
Subscapular artery.
Model