Important Upper Extremity INFO Flashcards Preview

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Flashcards in Important Upper Extremity INFO Deck (11)
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1
Q

injury to the surgical neck of the humerus can hurt which nerve and artery?

A

posterior circumflex humeral artery and axillary N

2
Q

deep brachial A and deep brachial artery can be hurt if the humerus is broken where?

A

midshaft

3
Q

supracondylar fracture often affects which nerve?

A

median

4
Q

Tendonsynovitis of the thumb involves what muscle ?

A

flexor pollicis longus m. Or RADIAL BURSA

5
Q

what arch prevents displacement of the humerus?

A

coracoacromial arch with coracoacromial ligament - prevents superior displacement of humerus.

ligament is very strong, so instead of being damaged it can cause inflammation of tendon of supraspinatous muscle as tendon passes back and forth under ligament

6
Q

what artery accompanies the ulnar nerve?

A

superficial ulnar collateral artery

7
Q

is the head of the humerus more likely to be displaced inferiorly or anteriorly?

A

inferiorly (also anteriorly but less)

8
Q

if one shoulder droops lower than the other, what first layer muscle could have a problem?

A

trapezius bc upper fibers lift up scapula (aren’t working)

9
Q

fracture of the surgical neck of the humerus often injures what nerve?

A

axillary N (leads to issues in deltoid m. and teres minor m.)

10
Q

in clavicle fractures, is the subclavian artery or subclavian vein more likely to be injured?

A

vein bc it’s superficial to artery

11
Q

Over what muscle can you feel the radial pulse?

A

Flexor carpi radialis