Bony Landmarks
Dorsal tubercle #
Posterior distal bump, also called Lister's tubercle, guiding extensor pollicis longus.
Head #
Disc-shaped proximal epiphysis that articulates with the humerus and ulna.
Interosseous border #
Sharp medial edge along the shaft for interosseous membrane attachment.
Neck #
Narrow region just distal to the head and a common fracture site.
Radial tuberosity #
Rough anterior projection where 💪 biceps inserts.
Styloid process #
Pointed distal projection anchoring the radial collateral ligament and 💪 brachioradialis.
Ulnar notch #
Distal medial concavity articulating with the head of the 🦴 ulna.