Anatomical Snuffbox

Red Box

Anatomical snuffbox

How does radial artery travel?

Crosses the floor of the snuffbox, then turns medially and travels between the heads of the adductor pollicis muscle

How does the cephalic vein travel in the snuffbox?

Crosses the snuffbox to travel up the anterolateral aspect of the forearm

What does the superficial branch of the radial nerve innervate?

Dorsal surface of the lateral three and a half digits, and the associated area on the back of the hand

Where does the cephalic vein arise from?

Dorsal venous network of the hand

Where is the superficial branch of the radial nerve found in the snuffbox?

In the skin and subcutaneous tissue

What are the main contents of the snuffbox?

Radial artery, a branch of the radial nerve, and the cephalic vein

What is another name for the anatomical snuffbox

Radial fossa

Which branch of the radial nerve travels through the snuffbox?

Superficial branch of the radial nerve

What is the anatomical snuffbox?

Triangular depression found on lateral aspect of the dorsum of the hand

What are the borders?

Ulnar (medial): Tendon of extensor pollicis longus (compartment 3) Radial (lateral): Tendons of extensor pollicis brevis and abductor pollicis longus (compartment 1) Proximal: Styloid process of the radius Floor: Carpal bones; scaphoid and trapezium Roof: Skin

How is anatomical snuffbox best seen?

When thumb is extended (got name from using it to hold snuff/ground tobacco)