2. Post.Compartment Muscles Arterial Supply Nerve Supply Superficial: Brachioradialis Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Digitorum Extensor Digiti Minimi Extensor Carpi Ulnaris Anconeus Deep: Supinator Abductor Pollicis Longus Extensor Pollicis Brevis Extensor Pollicis Longus Extensor Indicis

3. Post.Compartment Muscles Arterial Supply Nerve Supply Post. Interosseus Deep branch of Radial N.

13. RADIAL ARTERY Course: It is smaller terminal branch of brachial artery in the cubital fossa.It runs downwards to the wrist. Relations: Anterior: Brachioradialis & Skin and fascia. Posterior: Tendon of biceps, Supinator, Insertion of Pronator teres, Flex. Dig.Sup., Flex. Poll. Lon., Pronator Quadratus and Radius. Medially: Pronator teres, Flex. Carpi Radialis Laterally: Brachioradialis, Superficial br. Radial N.

15. RADIAL ARTERY Branches: 1- Radial Recurrent 2- Muscular 3- Palmar Carpal 4- Superficial Palmar

18. ULNAR ARTERY Course: It is larger terminal branch of brachial artery in the cubital fossa.It runs obliquly downwards and medially in the upper part and vertical in the lower part. Relations: Anterior: Pronator teres, Flex.Carp.Rad.,Palmaris Long., Flex. Dig.Sup., Flex.Carp.Ulnaris, Skin & fascia, Palmar cutaneus br. Ulnar N. Posterior: Flex. Digitorum Profundus Medially: Ulnar N., Flex. Carpi Ulnaris Laterally: Flex. Digitorum Superficialis

21. ULNAR ARTERY Branches: 1- Ant. Ulnar Recurrent 2- Post. Ulnar Recurrent 3- Common Interosseous *Ant. Interosseous *Post. Interosseous ** Recurrent Interosseous 4- Muscular 5- Palmar Carpal 6- Dorsal Carpal

22. Middle collateral Radial collateral