The Distal-Most Part of the Lateral Column is the Capitellum, and the Distal-Most Part of the Medial Column is the Nonarticular Medial Epicondyle. The Trochlea is the Medial-Most Part of the Articular Segment and is Intermediate in Position Between the Medial Epicondyle and Capitellum. The Articular Segment Functions Architecturally As a “tie Arch.”