Shoulder

Question 1

what muscles make up the rotator cuff?

Answer 1

subscapularis
supraspinatus
infraspinatus
teres minor

Question 2

what action does subscapularis do?

Answer 2

internal rotation

Question 3

what action does supraspinatous do?

Answer 3

abduction

Question 4

what action does infraspinatous and tires minor do?

Answer 4

external rotation

Question 5

what action does teres major perform?

Answer 5

adduction

Question 6

where does teres major attach?

Answer 6

posterior lip of the bicipital groove

Question 7

what is the action of serrates anterior?

Answer 7

protraction of the scapula

Question 8

action of rhomboids?

Answer 8

elevate/protracts

Question 9

pec minor comes from 3-5th rib and attaches where? action?

Answer 9

coracoid process

depression of clavicle

Question 10

what is the action of pec major and latissimus dorsi?

Answer 10

adductor

some internal rotation

Question 11

what 2 muscles make up the anterior/posterior of the axilla?

Answer 11

pec major and latissimus dorsi

Question 12

what are the actions of ant/later/pos deltoid?

Answer 12

anter - flexor
lateral - abductor
post - extensor