Deltoid Muscle Flashcards

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

Press a flash card to reveal the answer.

Origin (Anterior)

Lateral 1/4 clavicle & anterior 1/3 lateral acromion

Origin (Lateral)

Middle 1/3 lateral acromion

Origin (Posterior)

Posterior 1/3 acromion & spine of scapula


Deltoid tuberosity of humerus


  • Shoulder abduction
  • Shoulder flexion & extension
  • Horizontal adduction & abduction
  • Shoulder medial & lateral rotation


  • Axillary nerve (C5, C6)

Blood Supply

  • Thoracoacromial branch of the axillary artery (primary artery)
  • Posterior circumflex humeral artery
  • Deltoid branches of profunda brachii artery
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Would you like to learn more about the deltoid muscle? Then check out the deltoid muscle article and video by clicking the link below:
Deltoid Muscle Anatomy

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