Wadsworth extensile posterolateral approach to elbow. A, Skin incision. Right, Patient is prone with elbow flexed 90 degrees and arm supported as shown. B, Distally based tongue of triceps tendon with intact peripheral rim is fashioned. Ulnar nerve is protected. C, Exposure is complete (see text). (Redrawn from Wadsworth TG: A modified posterolateral approach to the elbow and proximal radioulnar joints, Clin Orthop Relat Res 144:151, 1979.) SEE TECHNIQUE 1.108.