Targeted reinnervation to improve prosthesis control after upper extremity amputation. A, Musculature of the right arm from the anterior position. B, Biceps-splitting approach to the musculocutaneous nerve. C, Anterolateral view of the right arm showing nerve transfer of the distal portion of the radial nerve to the motor nerve of the brachialis muscle. (Redrawn from O’Shaughnessy KD, Dumanian GA, Lipschutz RD, et al: Target reinnervation to improve prosthesis control in transhumeral amputees. A report of three cases, J Bone Joint Surg Am 90:393, 2008.) SEE TECHNIQUE 18.12.