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Phase 1 flashcards > Quick upper limb flashcards > Flashcards

Quick upper limb flashcards

1
Q

glenohumeral joint

A

shoulder joint

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2
Q

acromioclavicular joint

A

acromium of scapula articulates with clavicle

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3
Q

projections of bone superior and inferior to the glenoid fossa

A

surpra and infraglenoid tubercle

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4
Q

projections of bone on the proximal humerus

A

greater and lesser tubercles

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5
Q

nerve near the surgical neck

A

axillary

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6
Q

attachment of deltoid to humerus

A

deltoid tuberosity

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7
Q

path of radial nerve over humerus

A

radial/ spiral groove

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8
Q

nerve damaged in mid shaft fractures

A

radial

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9
Q

for every 2 degree abduction of the shoulder…

A

scapula rotates 1 degree

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10
Q

large muscles of the posterior pectoral girdle

A

trapezius - superior
latissimus dorsi

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11
Q

small posterior pectoral girdle muscles

A

levator scapulae
rhomboid major
rhomboid minor

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12
Q

function of posterior pectoral girdle, and the exception

A

move scapula
latissimus dorsi moves humerus

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13
Q

innervation of trapezius

A

accessory nerve

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14
Q

innervation of latissimus dorsi

A

thoracodorsal nerve

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15
Q

scapulohumeral muscles

A

deltoid
subscapularis
infraspinatus
supraspinatus
teres major
teres minor

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16
Q

rotator cuff

A

sist
supraspinatus, infraspinatus, teres minor, subscapularis

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17
Q

muscle over the shoulder

A

deltoid

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18
Q

powerful abductor of the shoulder after 20 degrees

A

deltoid

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19
Q

innervation of deltoid

A

axillary nerve

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20
Q

quadrilateral space

A

teres minor above
teres major below
long head of triceps medially
surgical neck of humerus laterally

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21
Q

which nerve travels through quad space

A

axillary

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22
Q

innervation of axillary nerve

A

deltoid
teres minor
skin over upper lateral arm

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23
Q

which rotator cuff muscle can be seen anteriorly?

A

subscapularis
the others are mostly seen posteriorly

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24
Q

action of rotator cuff

A

hold head of humerus in place
tendons fuse with capsule of shoulder joint

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25
what contributes to shoulder joint stability?
glenoid labrum ligaments tendon of biceps brachii
26
single muscle in the posterior arm
triceps brachii
27
where does triceps insert and originate?
ulnar olecranon - inserts origin - long head - infraglenoid tubercle - lateral head - posterior humerus proximal to radial groove - medial head - posterior humerus distal to radial groove
28
action of triceps
extends forearm at the shoulder joint
29
innervation of triceps
radial nerve
30
what does the trochlea of the humerus articulate with?
trochlear notch of ulna
31
lateral to trochlear is...
capitellum
32
what does the capitellum arrticulate with?
head of radius
33
things in the axilla
lymph nodes axillary artery axillary vein brachial plexus
34
put these in order: brachial artery subclavian artery axillary artery
subclavian axillary brachial
35
what is the subclavian vein a continuation of?
axillary vein
36
spinal nerves of brachial plexus
C5-8 and T1 C5-T1
37
what are brachial plexus cords named after?
position relative to axillary artery
38
superior trunk
C5 and c6
39
middle trunk
C7
40
inferior trunk
C8 and T1
41
divisions of brachial plexus
anterior and posterior
42
lateral cord
anterior division of superior and middle trunks
43
posterior cod
posterior divisions of all the trunks
44
medial cord
anterior division of the inferior trunk
45
what is the axillary branch from? radial musculocutaneous ulnar median
posterior cord posterior lateral medial lateral and medial
46
axillary nerve
posterior cord C5 and C6
47
radial nerve
posterior cord C5-T1
48
musculocutaneous nerve
lateral cord C5-C7 skin over forearm three muscles in the anterior arm
49
do median and ulnar nerve innervate arm?
no just forearm and hand
50
median nerve
C6-T1 most anterior forearm muscles small muscles of the thumb skin over the lateral aspect of the palm and lateral digits vulnerable in the cubital fossa
51
ulnar nerve
continuation of the medial cord after median nerve C8-T1 innervates most hand muscles fine movements of digits skin over medial aspect of hand and medial digits vulnerable behind the medial epicondyle
52
anterior arm muscles
biceps brachii brachialis coracobrachialis
53
attachments of biceps
scapula - long head to supraglenoid tubercle - short head to coracoid process radial tuberosity of radius
54
action of biceps
flexor of the elbow and shoulder supinator of the forearm WHEN elbow is flexed
55
most superficial anterior forearm muscle
biceps brachii
56
action of brachialis
flexor of the elbow
57
attachments of brachialis
humerus ulnar tuberosity
58
attachments of coracobrachialis
coracoid process humerus
59
action of coracobrachialis
weak flexor of shoulder
60
cubital fossa boundaries
brachioradialis pronator teres line between medial and lateral epicondyles
61
shape of cubital fossa
triangle
62
contents of cubital fossa
tendon of biceps brachii bicipital aponeurosis - fascial extension of the biceps tendon brachial artery median nerve radial nerve
63
order from lateral to medial or biceps tendon, brachial artery, median nerve
in that order
64
where does the brachial artery bifurcate?
cubital fossa
65
what connects the radius and ulna?
interosseous membrane
66
how many radioulnar joints?
2 proximal and distal
67
which bones does the radius articulate with at the wrist joint?
scaphoid and lunate
68
first row of carpus bones lateral to medial
scaphoid, lunate, triquetral, pisiform
69
second row of carpal bones, lateral to medial
trapezium (for thUMb), trapezioid, capitate (largest), hamate
70
which carpal bone bears a bony process anteriorly?
hamate
71
most commonly damaged carpal bone
scaphoid
72
how many phalanges in each finger and thumb?
3 per finger thumb has 2
73
order or hand bones
metacarpals then phalanges
74
superficial anterior forearm muscles lateral to medial
pronator teres flexor carpi radialis palmaris longus flexor carpi ulnaris PFPF
75
where do superficial arm muscles attach proximally?
medial epicondyle
76
action of pronator teres
pronator of the proximal radioulnar joint
77
traits of MOST of the muscles of the anterior forearm compartment
wrist flexors median nerve 2 exceptions
78
where does palmaris longus insert?
palm fascia
79
innervation of flexor carpi ulnaris
ulnar nerve
80
muscle in the middle layer of anterior arm
flexor digitorum superficialis
81
flexor digitorum superficialis - number of tendons - to which digits
4 2-5
82
muscle of the deep layer of the forearm
flexor digitorum profundus flexor pollicis longus pronator quadratus
83
action of FDS
flexes digits
84
action of FDP
flexes digits
85
flexor digitorum profundus - number of tendons - to which digits
4 2-5
86
dual innervation of FDP
laterally - median - supplies index and middle medial - ring and little - ulnar
87
action of FPL
flexes thumb pollex = thumb
88
action of pronator quadratus
pronates distal radioulnar joint
89
general assumptions about anterior forearm muscles
flexors (not pronator teres or pronator quadratus) median nerve (not FCU and medial half of FDP)
90
roof of carpal tunnel
flexor retinaculum
91
what passes through carpal tunnel?
4 tendons of FDS - digits 2-5 4 tendons of FDP - digits 2-5 1 tendon of FPL - thumb/ digit 1 median nerve ONLY
92
anastamoses of the radial and ulnar arteries in the hand
palmar arches
93
where does all upper limb venous blood drain into?
axillary vein
94
where do the cephalic and basilic veins course?
cephalic - laterally basilic - medially
95
connection between the superficial forearm veins where and what
median cubital vein cubital fossa
96
name of phalanges
proximal, middle, distal for thumb, proximal and distal
97
joints between carpals and metacarpals
carpometacarpal joints
98
joints between metacarpals and phalanges
metacarpophalangeal joints
99
joints between phalanges
interphalangeal
100
types of grip
hook power precision
101
anterior forearm muscles that are prime flexors of the wrist
flexor carpi radialis - inserts onto 2nd metacarpal flexor carpi ulnaris - inserts onto 5th metacarpal palmaris longus - inserts onto palmar fascia
102
flexors of the digits
FDS FDP FPL

Phase 1 flashcards (27 decks)

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