Fig. 3From: Fecal incontinence: challenges in electrodiagnosis and rehabilitationa Pudendal electrode. b A bipolar-stimulating electrode is mounted on the tip of the gloved index finger, which is inserted into the rectum. c Recording electrodes located 3Â cm proximally at the base of the finger pick up the contraction response of the anal sphincter. d Application of pudendal electrode transrectally [10]Back to article page