The Floor Of The Anatomical Snuffbox

Anatomical snuffbox location anatomy and borders.

The floor of the anatomical snuffbox.

The anatomical snuffbox also known as the radial fossa is a triangular depression found on the lateral aspect of the dorsum of the hand. The base of this triangular shaped depression is located just distal to the end of the radius with the triangle s apex pointing towards the thumb. It is located at the level of the carpal bones and best seen when the thumb is extended. The anatomical snuff box or snuffbox is a triangular deepening on the radial dorsal aspect of the hand at the level of the carpal bones specifically the scaphoid and trapezium bones forming the floor.

It is located at the level of the carpal bones and best seen when the thumb is abducted. The name originates from the use of this surface for placing and then sniffing powdered tobacco or snuff it is sometimes referred to by its french name tabatière. In the past this depression was used to hold snuff ground tobacco before inhaling via the nose hence it was given the name snuffbox 91 1 93. It is bounded by the prominences of the tendon of the extensor pollicis longus posteriorly and of the tendons of the extensor pollicis brevis and abductor pollicis longus anteriorly.

From anatomical position the snuffbox is located distal to the end of the radius posterolaterally. The floor of the snuffbox is made up of the scaphoid and trapezium carpal bones which are. The carpal called the scaphoid serves as the foundation or floor of the anatomical snuffbox. In the past this depression was used to hold snuff ground tobacco before inhaling via the nose hence it was given the name snuffbox.

An ă tom ik snŭf boks a hollow seen on the radial aspect of the wrist when the thumb is extended fully.