BORDERS -
1. Medial
Lateral border of pronator teres.
2. Lateral
Medial border of brachioradialis.
3. Base/ Superior
An imaginary line which joins both epicondyl of humerus.
4. Apex
Meeting point of lateral and medial boundaries.
ROOF -
1. Skin
2. Superficial fascia
3. Bicipital aponeurosis
4. Deep fascia
FLOOR -
1. Supinator
2. Brachialis
CONTENTS -
1. Radial nerve -
Passes laterally in cubital fossa and divides into superficial and deep branch.
2. Biceps brachii (tendon) -
Passes centrally in cubital fossa and attaches to radial tuberosity of radius bone.
3. Brachial artery -
Present at the apex of cubital fossa and further divides into radial and ulnar artery.
4. Median nerve -
It is the most medial content of cubital fossa which passes between the two head of pronator teres muscle.
Note - The roof of cubital fossa contains some superficial vein like median cubital vein, basilic vein and cephalic vein which has a clinical relevance.
CLINICAL ANATOMY -
1. Median cubital vein is often the vein choosed for IV injections.
2. Blood pressure is universally recorded by auscultating the brachial artery present infront of elbow.
Note :- TRICK TO LEARN THE CONTENTS OF CUBITAL FOSSA (from medial to lateral)
M - Median nerve
B - Brachial artery
T - Tendon of biceps brachii
R - Radial nerve
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