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Flashcards in Superficial posterior forearm Deck (19):
1

Innervation of superior posterior forearm

Radial nerve

2

Origin of brachioradialis

Proximal aspect of lateral supracondylar ridge of humerus

3

Attachment of brachioradialis

Distal end of radius, just before radial styloid process

4

Action of brachioradialis

Flexion of elbow

5

Origin of extensor carpi radialis longus

Supracondylar ridge of humerus

6

Origin of extensor carpi radialis brevis

Lateral epicondyle

7

Attachment of extensor carpi radialis longus and brevis

Metacarpals 2 + 3

8

Action of extensor carpi radialis longus and brevis

Extension and abduction of wrist

9

Origin of extensor digitorum

Lateral epicondyle

10

Attachment of extensor digitorum

Extensor hood of 4 fingers

11

Action of extensor digitorum

Main extensor of 4 fingers at MCP and IP joints

12

Origin of extensor carpi ulnaris

Lateral epicondyle

13

Attachment of extensor carpi ulnaris

Base of metacarpal 5

14

Action of extensor carpi ulnaris

Extension and adduction of wrist

15

Origin of anconeus

Lateral epicondyle

16

Attachment of anconeus

Posterior and lateral aspect of olecrannon

17

Action of anconeus

Extension of elbow and moves ulna during pronation

18

What is lateral epicondylitis

Inflammation of periosteum of lateral epicondyle caused by repeated use of superficial extensor muscles which strains their common tendinous attachment. Peak onset 40-50

19

Muscles of superior posterior forearm

Brachioradialis,
Extensor carpi radialis longus and brevis,
Extensor digitorum,
Extensor carpi ulnaris,
Anconeus

Decks in MSK Class (87):