A, View of medial side of elbow with coronoid process on right and trochlea on left. B, Anterior aspect of elbow viewed from medial portal with coronoid and trochlea in foreground and radiocapitellar joint. Annular ligament is clearly seen. C, Radiocapitellar joint with varus stress applied to expose undersurface of radial head. D, With elbow flexed 90 degrees, patient supine, and 2.7-mm arthroscope in direct lateral portal, articulation of three bones is seen. Radial head is superior left, ulna is superior right, and capitellum is inferior. E, Bare area of olecranon is right inside with trochlea on left. Scope is in direct lateral portal. F, Posterior compartment viewed through posterolateral portal. Tip of olecranon is superior, trochlea is inferior, and olecranon fossa is in foreground. G, Medial gutter viewed through posterolateral portal with posterior aspect of ulnar collateral ligament on right and distal humerus on left. SEE TECHNIQUE 52.32.