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
