one day at a teaching hospital a doctor is inspecting a corpse with the help of a few interns he says "it is good to get the muscles in the corpse to relax" say the doctor one intern asks "how do we do that?" the doctor then shoved his finger up the corpses butt then put the finger into his mouth "there you try now" one after the other the interns did what the doctor had showed them he then said "it is very important that you watch what i do i put my index finger up the buttocks and my middle finger into my mouth"