<prompt> Which of the following is the insertion of the shown muscle?Radial tuberosityOlecranon processRadial headMedial malleolus  <response>: Ans. A Radial tuberosityRef: Grays Anatomy 41st ed. P 824 The shown muscle in the image is biceps brachii. It has two proximal heads hence the name. Their attachments are: Short head: Tip of coracoid process Long head: Supraglenoid tubercle of scapula Insertion: Radial tuberosity and fascia of forearm via bicipital aponeurosis Innervation: Musculocutaneous nerve C5, C6 Action: Supination of forearm and flexion of shoulder joint 