- Identify and clean the distal half of the biceps brachii muscle. (G 2.49C;N 417;Gl 26.10A) Cut the biceps brachii approximately 5 cm proximal to its distal attachment.
- Identify and clean the brachioradialis muscle separating it from the brachialis muscle. (G 2.49D;N 433;Gl 26.10A) Remove the brachioradialis from its proximal attachment to a level approximately 10 cm inferior to the elbow. Avoid cutting the radial nerve.
- Identify and remove the extensor carpi radialis longus and brevis muscles from their proximal attachment to the same level as the brachioradialis. (G 2.84A;N 430;Gl 26.11A)
- Identify and clean the supinator muscle. (G 2.84B;N 434;Gl 26.11C) Remove the proximal aspect of the supinator to expose the annular ligament. (G 2.55A;N 424;Gl 26.5A)
- Identify and clean the radial collateral ligament. (G 2.56A;N 424;Gl 26.4C) Clean the annular ligament.
- Identify the pronator teres, flexor carpi radialis, flexor carpi ulnaris and flexor digitorum superficialis muscles. (G 2.63B;N 432;Gl 26.10) Remove the proximal 10 cm of these muscles.
- Clean the distal aspect of the brachialis muscle. (G 2.65B;N 417;Gl 26.10C) Transect this muscle approximately 5 cm proximal to the elbow and reflect it in the inferior direction.
- Identify and clean the ulnar collateral ligament. (G 2.56B;N 424;Gl 26.4B)
- Flex the elbow join to open the anterior aspect of the joint capsule and observe the articular surface of the distal humerus. (G 2.58;N 424;Gl 26.5)
