<prompt> Musculocutaneous nerve is injured at the lateral cord of brachial plexus, positive clinical findings would be :Loss of flexion at shoulderSensory loss on the radial side of the forearmLoss of extension of forearmLoss of extension of the wrist  <response>: Musculocutaneous nerve supplies biceps and brachialis. It also gives sensory supply along the radial side of forearm. When it is damaged, it might show the following :Flexion at elbow weakened Biceps Brachialis.Supination of semiflexed elbow is affected Biceps.Sensory loss on radial side of forearm. 