deltoid Flashcards
1
Q
deltoid origin anterior fibres
A
anterior border lateral 1/3 of clavicle
2
Q
deltoid origin middle fibres
A
outer margin of the acromion
3
Q
deltoid origin posterior fibres
A
lower border of the spine of scapula
4
Q
deltoid insertion
A
deltoid tuberosity of the humerus
5
Q
deltoid nerve supply
A
axillary nerve C5, 6
6
Q
deltoid action middle fibres
A
abduct the arm at the shoulder (after 30)
7
Q
deltoid action anterior fibres
A
flex and medially rotate the shoulder
8
Q
deltoid action posterior fibres
A
extend and laterally rotate the shoulder