shoulder joint muscles P2

Question 1

whats the origin of the anterior head of deltoid

Answer 1

lateral aspect of clavicle

Question 2

what is the origin of the middle head of deltoid

Answer 2

acromium process border

Question 3

what is the origin of the posterior head of deltoid

Answer 3

inferior edge of the crest of the spine of scapula

Question 4

what is the insertion of deltoid

Answer 4

deltoid tuberosity of humorous

Question 5

what is the action of the anterior head of deltoid

Answer 5

arm flexion/ med rotates

Question 6

what is the action of the middle head of deltoid

Answer 6

shoulder abduction

Question 7

what is the action of the posterior head of deltoid

Answer 7

arm extension/ lat rotates

Question 8

what is the origin of pectoralis major - clavicle head

Answer 8

anterior medial portion of clavicle

Question 9

what is the origin of pectoralis major -sternocastal head

Answer 9

anterior surface of sternum to 6 rib, superior six casual cartilages

Question 10

what is the insertion of pectoralis major

Answer 10

bicipital groove

Question 11

what is the action of pectoralis major

Answer 11

shoulder adduction/ med rotates

Question 12

what is the origin of latissimus dorsi

Answer 12

spinous process from T6-12 to the spinous process of lumbar vertebrae, iliac crest and lower 3/4 ribs

Question 13

what is the action of latissimus dorsi

Answer 13

extension, adduction, med rotats humorous