Anal CanalSphincter of OddiMuscle ContractionManometryEsophagogastric JunctionIsometric ContractionSphincter of Oddi DysfunctionEsophageal Sphincter, UpperFecal IncontinenceMuscle, SmoothPressureUterine ContractionUrinary Sphincter, ArtificialUrethraMyocardial ContractionPeristalsisEsophagusMuscle Relaxation