Pectoralis Major Muscle Flashcards

Flashcards are a great way to memorise information about the pectoralis major muscle. Test your knowledge of anatomy using the pectoralis major flashcards below.

Press a flash card to reveal the answer.


Clavicle, sternum, superior six costal cartilages, aponeurosis of external oblique


Lateral lip of bicipital groove


  • Adduction of humerus at shoulder joint
  • Medial rotation of humerus at shoulder joint
  • Flexion of humerus at shoulder joint (clavicular head)
  • Extension of humerus at shoulder joint (sternocostal head)


  • Medial pectoral nerve (C8 & T1)
  • Lateral pectoral nerve (C5, C6, & C7)

Blood Supply

  • Pectoral branch of the thoracoacromial artery
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Would you like to learn more about the pectoralis major muscle? Then check out the pectoralis major muscle article and video by clicking the link below:
Pectoralis Major Muscle Anatomy

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