Anatomy of the Hands

Question 1

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

Answer 1

Palmaris longus

Question 2

Describe Dupertren’s contracture?

Answer 2

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

Question 3

What artery branches off the radial?

Answer 3

Deep palmer branch

Question 4

Which artery branches off the ulnar?

Answer 4

Superficial palmer branch

Question 5

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

Answer 5

Some lovers try positions that they can’t handle

Question 6

What forms the upper border of the carpel tunnel?

Answer 6

Flexor retinaculem

Question 7

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

Answer 7

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

Question 8

Describe flexion of the hand?

Answer 8

Fingers towards the palm and thumb across the palm

Question 9

Describe extension of the hand?

Answer 9

Fingers straight and thumb in the same plane

Question 10

Describe oposition of the hand?

Answer 10

Tip of fingers onto tip of thumb

Question 11

Describe abduction of the hand?

Answer 11

Fingers and thumb spread out

Question 12

Describe adduction of the hand?

Answer 12

Fingers and thumb tucked together

Question 13

What nerve innervates the muscles of the thumb?

Answer 13

Median nerve

Question 14

Name the intrinsic muscles of the thenar eminance?

Answer 14

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

Question 15

Name the muscles of the hypothenar eminance?

Answer 15

Oponens digiti minimi
Flexor digiti minimi
Abdutor digiti minimi

Question 16

Describe the lumbricals?

Answer 16

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

Question 17

What is the innervation of the lumbricals?

Answer 17

Ulnar side = Ulnar nerve

Radial side = Median nerve

Question 18

What is the action of palmer interossus muscle?

Answer 18

Adduction (PAD)

Question 19

What is the action of dorsal interossus muscle?

Answer 19

Abduction (DAB)

Question 20

Carpel tunnel syndrome affects which muscles of the hand?

Answer 20

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

Question 21

Which artery can be found within the anatomical snuff box?

Answer 21

The radial artery

Question 22

Which artery primarily forms the superficial palmer arch?

Answer 22

Ulnar artery

Question 23

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

Answer 23

Ulnar nerve