Flashcards in Muscles of Upper Limb Deck (54):
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
31
bicipital groove AKA?
intertubercular sulcus
32
prime movement for biceps?
supination
33
does coracobrachialis flex elbow?
nope
34
brachialis origin/insertion?
mid humerus shaft
coranoid process
35
3 heads of triceps?
long: infraglenoid tubercle
lateral
medial/deep: humerus shaft
36
what attaches to supraglenoid tubercle?
long head of biceps
37
deep muscles arise from?
shaft of the long bone it originated from
38
Name the 5 muscles that come from common flexor origin?
Pronator Teres
Flexor carpi radialis
Palmaris longus
flexor digitorum superficialis
flexor carpi ulnaris
39
Which muscles have 2 origins?
pronator teres.
flexor digitorum superficialis
clexor carpi ulnaris
40
which muscle has the pisiform bone in it's tendon?
Flexor carpi ulnaris
41
palmaris longus inserts into bone?
nope
42
what is piso-metacarpo ligament?
pisiform to base of 5th metacarpal head ligament
43
which flexor digitorum inserts into distal phalanges? proximal?
distal: FDP
proximal: FDS (splits at end)
44
flexor digitorum superficialis and profundus have how many tendons each?
4
45
what is the thumb flexor? inserts?
flexor pollicis longus, inserts into distal phalanx
46
flexor retinaculum borders?
scaphoid
trapezium
hook of hamate
pisiform
47
Does Flexor carpi radialis go into carpal tunnel?
Nope
48
What is in the carpal tunnel?
FDS (2 stacked on 2)
FDP(4 parallel)
FPL
49
3 muscles that originate from supracondylar ridge
ECRL
ECRB
Brachioradialis
50
3 muscles that originate from lateral epicondyle?
extensor digitorum
extensor digiti minimi
extensor carpi ulnaris
51
3 pollicis muscles in posterior forearm compartment?
abductor PL
extensor pollicis longus
extensor pollicis brevis
52
ECRL into base of?
2nd
53
ECRB into base of?
3rd
54