The cubital fossa is a triangular-shaped depression seen opposite to the elbow. It marks the transition between the arm and the forearm.
Borders
| Superior (base) | A line extending between the medial and lateral epicondyles (intercondylar line) |
| Medial | Pronator teres muscle |
| Lateral | Brachioradialis muscle |
| Floor (bed) | Brachialis muscle (medially) and the supinator muscles of the arm (laterally) |
| Roof | Brachial and antebrachial fascia and the bicipital aponeurosis, subcutaneous tissue, and skin |
Contents
The contents of the cubital fossa from medial to lateral are:
- The median nerve
- The brachial artery
- The tendon of the biceps brachii muscle
- (Deep) accompanying veins
- Radial nerve
Generally, the major components are the median nerve, brachial artery, and tendon of the biceps brachii muscle, as they are visible immediately