Unit 2 - Upper Limb: Anatomic Snuffbox (Ex. II)

Question 1

floor

Answer 1

scaphoid –> closest to radius

trapezium –> closest to metacarpal

Question 2

S border (more M in anatomical position)

Answer 2

extensor pollicis longus tendon

Question 3

L border (L if in anatomical position; M if pronated)

Answer 3

extensor pollicis brevis tendon (in the middle)

abductor pollicis longus tendon (most L)

Question 4

contents

Answer 4

deep radial artery

superficial radial nerve

Question 5

What crosses snuffbox superficially?

Answer 5

cephalic vein

superficial branch of radial nerve

Question 6

location

Answer 6

small triangular depression on radial side of dorsum of wrist