Upper Limb Flashcards Preview

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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

Only nerve receiving no input from upper trunk?

-ulnar