Exploring the Anatomy and Clinical Importance of the Cubital Fossa: A Comprehensive Overview

The cubital fossa is an important anatomical region located on the anterior aspect of the elbow. It is a triangular-shaped depression that serves as a critical passageway for several key structures in the upper limb. Understanding the anatomy of the cubital fossa is essential for medical professionals, particularly in procedures involving blood draws, intravenous access, and the assessment of vascular and nerve function.

1. Cubital fossa by Dr Priyanka Sonawane

2. Features Cubital fossa is a triangular hollow in front of the elbow Homologous with popliteal fossa

3. Boundaries:- Lat :- medial border of brachioradialis Med :- lateral border of pronator teres Base :- live joining two epicondyles of humerus Apex :- brachioradialis cross pronator teres

4. Roof:- Skin Superficial fascia _ median cubital vein joining cephalic & basilica vein lat. Cutaneous nerve & med. Cutaneous nerve Deep fascia Bicipital aponeurosis

5. Floor:- Brachialis Supinator surrounding upper part of radius

6. Contents :- Median nerve Brachial artery terminate & radial and ulnar arteries begin Tendon of biceps brachii Radial nerve:- branches – posterior interosseous nerve deep branches to ext carpi radialis brevis & supinator

7. Clinical Anatomy Median cubital vein:- intravenous injection, cardiac catheter Blood pressure

8. Thank you