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Home > Bodybuilding & Anatomy > Origin & Insertion of Muscle > Deltoids - origin & insertion
• Article

Deltoids - origin & insertion
deltoid muscle
origin & insertion of the deltoid muscles
• Full article

 

Origin:

  • Anterior: Lateral third of clavicle

  • Middle: lateral acromion

  • Posterior: spine of scapula

Insertion:

  • Deltoid tuberosity of humerus

Actions:

  • Anterior: flexion, horizontal adduction, medial rotation of humerus

  • Middle: abduction of humerus to 90 degrees

  • Posterior: extension horizontal abduction, lateral rotation of humerus

Nerve:

  • Axillary nerve (Circumflex) (C5, 6)

5 / 5 (4 Votes)

Wed, 18 Jul 2007 23:20:00
Andrew Mills

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