Dr. Ahmed Fathalla Ibrahim

CUBITAL FOSSA (ROOF)

CUBITAL FOSSA (BOUNDARIES)

CUBITAL FOSSA (CONTENTS)

CUBITAL FOSSA

• DEFINITION: A triangular space in front of the elbow joint

• BOUNDARIES:

1. Base: an imaginary line between the 2 epicondyles of humerus

2. Laterally: medial border of brachioradialis

3. Medially: Lateral border of pronator teres

4. Apex: brachioradialis overlaps pronator teres

CUBITAL FOSSA

• ROOF: 1. Skin2. Superficial fascia containing: cephalic vein,

lateral cutaneous nerve of forearm, basilic vein, medial cutaneous nerve of forearm & medial cubital vein

3. Deep fascia4. Bicipital aponeurosis• FLOOR:1. Brachialis (medially)2. Supinator (laterally)

CUBITAL FOSSA

• CONTENTS:

From lateral to medial:

1. Radial nerve & its deep branch

2. Tendon of biceps brachii

3. Termination of brachial artery & beginning of radial & ulnar arteries

4. Median nerve