deltoid

Question 1

deltoid origin anterior fibres

Answer 1

anterior border lateral 1/3 of clavicle

Question 2

deltoid origin middle fibres

Answer 2

outer margin of the acromion

Question 3

deltoid origin posterior fibres

Answer 3

lower border of the spine of scapula

Question 4

deltoid insertion

Answer 4

deltoid tuberosity of the humerus

Question 5

deltoid nerve supply

Answer 5

axillary nerve C5, 6

Question 6

deltoid action middle fibres

Answer 6

abduct the arm at the shoulder (after 30)

Question 7

deltoid action anterior fibres

Answer 7

flex and medially rotate the shoulder

Question 8

deltoid action posterior fibres

Answer 8

extend and laterally rotate the shoulder