Elbow and forearm Flashcards Preview

OS 203 Finals > Elbow and forearm > Flashcards

Flashcards in Elbow and forearm Deck (24):
0

[flexion] What kind of lever is the elbow

3rd class lever

1

[extension] what kind of lever is the elbow?

1st class

2

attachment of superficial flexors of the forearm

medial epicondyle of the humerus

3

attachment of supinator and superficial extensor muscle of the forearm

lateral epicondyle

4

strongest ligament of the elbow

Anterior oblique ulnar ligament

5

weakest ligament of the elbow

posterior oblique ulnar ligament

6

the flexor muscles (except flexor carpi ulnaris) are innervated by the

median nerve

7

chief flexor muscles

biceps brachii, brachialis

8

secondary flexors

brachioradialis, pronator teres

9

Extensors are innervated by

radial nerve

10

T/F the radius is shorter than the ulna

T

11

the head of the radius articulates with the

capitulum of the humerus, radial notch of the ulna

12

the ulnar notch of the radius articulates with the

head of the ulna

13

T/F the styloid process of the ulna is greater than that of the radius

F

14

T/F the shaft of the radius is contradistinction to that of the ulna that it is wider above han it is below

F

15

the stabilizing bone of the forearm is the

ulna

16

what attaches the ulna to the head of the radius?

radial notch

17

disklike triangular cartilage between the ulna and the carpal bones

triangulofibrocartilaginous complex

18

the interosseous membrane of the forearm connects what structures?

radius and ulna

19

destruction of the triangular fibrocartilage leads to

arthritis

20

what separates the distal radioulnar joint from the cavity of the wrist joint?

articular disk

21

which nerve goes in the carpal tunnel?

median nerve

22

artery found in the cubital fossa

radial artery

23

the median cubital veins provide communication between which veins?

basilic and cephalic