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Flashcards in Muscles of Upper Limb Deck (54)
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1

Pec major does what?

adducts
medially rotates arm

2

Pec major does what?

adducts
medially rotates arm

3

secondary purpose of muscles what attach to thoracic wall? how does it work?

inspiratory
fixing humerus and contracting the muscle

4

name two muscles what attach the anterior scapula/clavicle to throacic wall?

subclavius
pec minor

5

pec minor origin?

ribs 3,4,5

6

3 muscles that attach to coracoid?

pec minor
coracoid brachialis
short head of biceps

7

4 muscles what attach to thoracic cage?

serratus anterior
pec major
pec minor
subclavius

8

serratus anterior position and action?

lateral thoracic chest wall
strong protractor

9

winging scapula because?

long thoracic nerve palsy
serratus anterior weakness

10

Deltoid supplied by?

axillary nerve

11

3 movements of deltoid:

anterior fibres: flexion
posterior fibres: extension
both: abduction

12

where do the 3 posterior rotator cuff muscles insert on humerus?

greater tubercle
superior: SS
middle: IS
inferior: TM

13

what attaches to lesser tubercle of humerus?

subscapularis

14

teres major does what?

adducts and medially rotates

15

bicipital groove AKA?

intertubercular sulcus

16

prime movement for biceps?

supination

17

does coracobrachialis flex elbow?

nope

18

brachialis origin/insertion?

mid humerus shaft
coranoid process

19

secondary purpose of muscles what attach to thoracic wall? how does it work?

inspiratory
fixing humerus and contracting the muscle

20

name two muscles what attach the anterior scapula/clavicle to throacic wall?

subclavius
pec minor

21

pec minor origin?

ribs 3,4,5

22

3 muscles that attach to coracoid?

pec minor
coracoid brachialis
short head of biceps

23

4 muscles what attach to thoracic cage?

serratus anterior
pec major
pec minor
subclavius

24

serratus anterior position and action?

lateral thoracic chest wall
strong protractor

25

winging scapula because?

long thoracic nerve palsy
serratus anterior weakness

26

Deltoid supplied by?

axillary nerve

27

3 movements of deltoid:

anterior fibres: flexion
posterior fibres: extension
both: abduction

28

where do the 3 posterior rotator cuff muscles insert on humerus?

greater tubercle
superior: SS
middle: IS
inferior: TM

29

what attaches to lesser tubercle of humerus?

subscapularis

30

teres major does what?

adducts and medially rotates