Lister's tubercle

Lister's tubercle or dorsal tubercle of radius is a bony prominence located at the distal end of the radius, palpable on the dorsum of the wrist. Lister's tubercle or dorsal tubercle of radius is a bony prominence located at the distal end of the radius, palpable on the dorsum of the wrist. Lister's tubercle serves as a pulley for the tendon of extensor pollicis longus, which wraps around the medial side and takes a 45 degree turn.