Forearm

Question 1

What forms the borders of the anatomical snuffbox?

Answer 1

• Lateral: abductor pollicis longus and extensor pollicis brevis tendons
• Medial: extensor pollicis longus tendon

Question 2

What forms the floor of the anatomical snuffbox?

Answer 2

• Scaphoid
• Trapezium
• Radial artery runs through the floor, beneath border tendons, and snakes around the thumb (pulse can be taken inside of snuffbox at radial artery)

Question 3

What is the important nerve that runs through the anatomical snuffbox?

Answer 3

Superficial radial nerve (aka, cutaneous branch of radial nerve).

Question 4

Where does the brachial artery divide into the radial and ulnar arteries?

Answer 4

In the distal end of the cubital fossa.