The medial boundary of the anatomical snuffbox is formed by the:
Ans. (c) Extensor pollicus longusGray's 41st ed./790* The anatomical snuffbox is formed by the tendons of extensor polloicis longus and brevis, and abductor pollicis longus.* The radial artery running in the floor of the snuffbox, and the radial nerve passing to the dorsum of the hand.* Boundaries of snuffbox:# Postero-medial border is the tendon of the extensor pollicis longus.# Antero-lateral border is a pair of parallel and intimate tendons of the extensor pollicis brevis and the abductor pollicis longus.# The proximal border is formed by the styloid process of the radius.# The distal border is formed by the approximate apex of the schematic snuffbox isosceles.
Hand
Ext. Pollicus brevi
Ext Carpi radialis longus
Extensor pollicus longus
Ext Carpi radialis brevis
Extensor pollicus longus