clavicular part of left pectoralis major
Muscular systemUpper limbLeftFMA34691
Nomenclature
clavicular part of left pectoralis major
pars clavicularis musculi pectoralis majoris (Latin)
parte clavicolare del grande pettorale sinistra (Italian)
Descriptionentry
Upper portion of pectoralis major, arising from the clavicle.
Functionentry
Flexion and adduction of the arm; medial rotation.
Originentry
Medial half of the anterior border of the clavicle.
Insertionentry
Crest of the greater tubercle of the humerus.
Innervationentry
Lateral pectoral nerve (C5-C7).
Blood supplyentry
Thoracoacromial artery.
Model