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Flashcards in CF & E Deck (23):
1

What are the three articulations of the elbow

radiocapitular

humeroulnar

proximal radio-ulnar

2

What does the radial collateral ligament resist?

varus stress

(from the inside out, medial to lateral)

3

What does the ulnar collateral ligament resist?

valgus stress

(lateral to medial)

4

What does the anular ligament do?

holds the radius in place, but it never adheres to radius - ulna only

5

If you flex in a supinated hand position what muscle are you using?

biceps brachii

6

If you flex in a neutral position what muscle are you using?

brachioradialis

7

If you flex in a pronated position what muscle are you using?

brachialis

8

What are the branches of the brachial a.?

deep brachial a.
superior ulnar collateral
inferior ulnar collateral

(terminates into radial and ulnar aa.)

9

What are the branches of the deep brachial a.?

middler collateral
radial collateral

10

What are the branches of the ulnar a.?

anterior ulnar recurrent
posterior ulnar recurrent
common interosseous

11

What are the branches of the common interosseous

anterior interosseous
posterior interosseous

12

What is the branch of the posterior interosseous?

interosseus recurrent

13

What is the branch of the radial a.?

radial recurrent

14

What anastomoses with the superior ulnar collateral?

Posterior ulnar recurrent

15

What anastomoses with the inferior ulnar collateral?

anterior ulnar recurrent

16

What anastomoses with the middle collateral?

interosseous recurrent

17

What anastomoses with the radial collateral?

radial recurrent

18

What would be the most 'ideal' place to cut your brachial a.?

right before it splits into radial and ulnar--you will still have blood flow from its branches

19

What muscles of the forearm does the ulnar nerve innervate?

flexor carpi ulnaris

1/2 of flexor digitorum profundus (digits 4 and 5)

20

What are the borders of the cubital fossa?

M: pronator teres m.

L: brachioradialis m.

S: line between epicondyles

Floor: brachialis and supinator mm.

Roof: antebrachial fascia

21

What are the contents of the cubital fossa from lateral to medial?

biceps brachii tendon

brachial a.

median n.

22

What is nursemaid's elbow?

When your radius pops out of its anular ligament

23

Why use the median cubital vein for venipuncture?

usually everyone has one
it runs at an angle so it won't roll away from needle
no valve in the vein