Cubital Fossa
Definition and extent
o The region of the upper limb in front of the elbow joint.
Triangular area with the following boundaries:
o laterally, brachioradialis muscle
o medially, pronator teres muscle
o superiorly, an imaginary line from the medial and lateral epicondyles
Contents
o brachial artery
o median cubital vein
o median nerve.
o the median cubital vein most often used for intravenous injections.
superficial to the deep fascia are
venous layer
1 cephalic vein
2 basilic vein
3 median cubital vein
Artery-nerve layer
1 brachial artery
2 median nerve
Aponeurotic layer
1 bicipital aponeurosis
2 biceps tendon
Muscular floor
1 supinator
2 brachialis
3 biceps tendon
Applied anatomy
This site is a frequent site of injections
Brachial Pulse and Blood Pressure
When measuring blood pressure the diaphragm of the steth is placed on the medial side of the fossa on the brachial artery here.
