Anatomy of the Hands Flashcards Preview

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Flashcards in Anatomy of the Hands Deck (23):
1

The palmer aponeurosis is a deep fascial extension of which tendon?

Palmaris longus

2

Describe Dupertren's contracture?

Progressive fibrotic thickening of the palmer aponeurosis leading to partial flexion of the the digits

3

What artery branches off the radial?

Deep palmer branch

4

Which artery branches off the ulnar?

Superficial palmer branch

5

What pneumonic can be used to remember the carpel bones of the hand from the radius to the ulnar?

Some lovers try positions that they can't handle

6

What forms the upper border of the carpel tunnel?

Flexor retinaculem

7

Name the nine tendons and state the nerve that travel through the carpel tunnel?

Flexor digitorum superficialis x4
Flexor digitorum profundus x4
Flexor policus longus x1
Median nerve

8

Describe flexion of the hand?

Fingers towards the palm and thumb across the palm

9

Describe extension of the hand?

Fingers straight and thumb in the same plane

10

Describe oposition of the hand?

Tip of fingers onto tip of thumb

11

Describe abduction of the hand?

Fingers and thumb spread out

12

Describe adduction of the hand?

Fingers and thumb tucked together

13

What nerve innervates the muscles of the thumb?

Median nerve

14

Name the intrinsic muscles of the thenar eminance?

Oponens brevis
Flexor pollicus brevis
Abductor pollicus brevis
Adductor pollicus (ULNAR nerve)

15

Name the muscles of the hypothenar eminance?

Oponens digiti minimi
Flexor digiti minimi
Abdutor digiti minimi

16

Describe the lumbricals?

Connect tendons to tendons in the hand and attach onto flexor digitorum profundus and worm to the back of the hand and attach onto extensor digitorum

17

What is the innervation of the lumbricals?

Ulnar side = Ulnar nerve
Radial side = Median nerve

18

What is the action of palmer interossus muscle?

Adduction (PAD)

19

What is the action of dorsal interossus muscle?

Abduction (DAB)

20

Carpel tunnel syndrome affects which muscles of the hand?

LOAF -
Lateral lumbricals
Oponens brevis
Abductor pollicus brevis
Flexor pollicus brevis

21

Which artery can be found within the anatomical snuff box?

The radial artery

22

Which artery primarily forms the superficial palmer arch?

Ulnar artery

23

What is the nerve innervation of the proximal and dorsal interosseous muscles?

Ulnar nerve