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[0] Anatomical Snuffbox Compression Test [1] The patient should rest the involved forearm on the table. Then, ask the patient to extend the thumb so that these tendons become prominent. [3] The anatomical snuff box is formed by space between the abductor pollicis longus and extensor pollicis brevis tendons on the radial border and the extensor pollicis longus tendon on the ulna side. As the examiner, you should then press in the anatomical snuffbox, applying compression to the scaphoid navicular bone. Pain with palpation of the snuffbox is indicative of a scaphoid fracture, particularly if the patient also has pain in the same area with passive wrist hyperextension. [2] 
Pain in the anatomical snuff-box is an indication of a scaphoid fracture.
WRIST