Flashcards in Upper Limb Deck (28):
1
Nerve root for:
-musculocutaneous
-axillary
-musculocutaneous: C5-7
-axillary: C5-6
2
Nerve root for:
-radial
-median
-ulnar
-radial + median: C5-T1
-ulnar: C7-T1
3
Sensory territory of:
-musculocutaneous
-axillary
musculocutaneous: lateral forearm
axillary: lateral arm/skin over deltoid
4
Sensory territory of radial nerve:
-posterior arm + forearm
-dorsum of lateral three digits
5
Median and ulnar sensory territories are only in the:
hand
6
Muscles innervated by the musculocutaneous
-coracobrachialis
-biceps brachii
-brachialis
7
Axillary: muscles innervated
-delt
-teres minor
8
Two pathologies assc with axillary nerve
-surgical neck of humerus
-anterior shoulder dislocation
9
Muscles innervated by the radial nerve:
-triceps
-forearm extensors
-APL, EPL, EPB, EI
10
Median nerve: muscles innervated
-most forearm flexors
-thenar muscles
-lateral two lumbricals
11
What are the three thenar muscles?
-APB, FPB, opponens pollicis
12
2 Radial nerve pathologies:
-wrist drop
-Saturday night palsy
-midshaft fracture of humerus
13
Median nerve assc pathologies (3)
-supracondylar fracture
-wrist laceration
-carpal tunnel
14
-2 Pathologies assc with ulnar nerve
fracture of medial condyle
fracture of hook of hamate
15
Innervation of rhomboids
-dorsal scapular nerve (C5)
16
Brachioradialis:
specific innervation
-muscular branches of radial nerve
17
FCR specific innervation
anterior interosseous nerve (median)
18
interossei specific innervation
deep branch of ulnar
19
APB specific innervation
recurrent branch of median
20
Actions of rhomboids
retract and rotate scapula
21
Deltoid actions
-anterior: flex at shoulder
-middle: abduct
-posterior: extend at shoulder
22
FCR actions
-flexion + abduction at wrist
23
Interossei functions
-abducts fingers
-flexes mcp, extends PIP
24
Sensation to medial forearm
medial antebrachial cutaneous (C8,T1)
25
Branches of the posterior cord?
axillary + radial
26
Branches of medial cord?
-median + ulnar
27
Branches of lateral cord?
-median + musculocutaneous
28