Muscles of the Upper Limb - Posterior Forearm Flashcards Preview

Musculoskeletal Anatomy Diagrams Hard Version > Muscles of the Upper Limb - Posterior Forearm > Flashcards

Flashcards in Muscles of the Upper Limb - Posterior Forearm Deck (65)
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1

Name muscle A

A - Abductor pollicis longus

2

What are the origin and insertion sites for muscle A?

Origin - Lateral epicondyle of humerus

Insertion - Olecranon and proximal posterior surface of ulna

A - Anconeus

3

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor carpi ulnaris

4

Name muscle A

A - Extensor digiti minimi

5

What is the function of muscle A?

  1. Extension at interphalangeal joint of thumb
  2. Extension at carpometacarpal joints of thumb

A - Extensor pollicis longus

6

Name muscle A

A - Extensor carpi radialis brevis

7

What are the origin and insertion sites for muscle A?

Origin - Lateral epicondyle of humerus and adjacent intermuscular septum

Insertion - Base of metacarpals 2 and 3 (dorsal surfaces)

A - Extensor carpi radialis brevis

8

What is the function of muscle A?

Extension of little finger

A - Extensor digiti minimi

9

What is the function of muscle A?

Extension of index finger

A - Extensor indicis

10

What is the innervation of muscle A?

Radial nerve (C6, C7)

This is before the division into superficial and deep branches

A - Extensor carpi radialis longus

11

What are the origin and insertion sites for muscle A?

Origin - Lateral epicondyle of humerus, radial collateral and anular ligaments (superficial aspect of muscle); Supinator crest of ulna (deep aspect of muscle)

Insertion - Radius (lateral surface superior to anterior oblique line)

A - Supinator

12

Name muscle A

A - Supinator

13

What is the innervation of muscle A?

Radial nerve (C6, C7, C8)

A - Anconeus

14

Name muscle A

A - Anconeus

15

Name muscle A

A - Anconeus

16

Name muscle A

A - Extensor digitorum

17

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis longus

18

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor digitorum

19

Name muscle A

A - Extensor pollicis brevis

20

Name muscle A

A - Brachioradialis

21

What are the origin and insertion sites for muscle A?

Origin - Radius (posterior surface distal to abductor pollicis longus) and adjacent interosseous membrane

Insertion - Base of proximal phalanx of thumb (dorsal surface)

A - Extensor pollicis brevis

22

Name muscle A

A - Extensor pollicis brevis

23

Name muscle A

A - Extensor carpi ulnaris

24

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Abductor pollicis longus

25

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis brevis

26

What is the innervation of muscle A?

Deep branch of radial nerve (C7, C8)

A - Extensor carpi radialis brevis

27

Name muscle A

A - Brachioradialis

28

What are the origin and insertion sites for muscle A?

Origin - Lateral epicondyle of humerus and posterior border of ulna

Insertion - Tubercle at base of metacarpal 5 or "little finger" (medial side)

A - Extensor carpi ulnaris

29

What is the function of muscle A?

  1. Extension of wrist
  2. Adduction of wrist

A - Extensor carpi ulnaris

30

What are the origin and insertion sites for muscle A?

Origin - Ulna (posterior surface distal to adbductor pollicis longus) and adjacent interosseous membrane

Insertion - Base of distal phalanx of thumb (dorsal surface)

A - Extensor pollicis longus