| Ligament | Origin | Insertion | Function |
| Ulnar collateral | Medial epicondyle | Sublime tubercle | Medial stability |
| Annular | Ulnar notch | Ulnar notch | Maintains contact between proximal radius and ulna |
| Radial collateral | Lateral epicondyle | Annular ligament | Maintains radio-capitellar alignment |
| Lateral ulnar collateral | Lateral epicondyle (distal to radial collateral) | Supinator tubercle of ulna | Maintains lateral elbow stability |
