<prompt> Regarding to the anorectal angle, True Statement is:Important role in continence mechanismIt is due to the pull of the external sphincterIt is around 30 degrees at restThe angle decreases at the time of defection  <response>: Ans. a Important role in continence mechanismRef: Internet sources Most important ring to maintain the continence is this angle During rest the angle is completely closed with an angle of 90deg-100deg The angle becomes more acute 70deg-90deg if patient contracts anal sphincter and pelvic floor muscles - so that stools are prevented from coming out. During Squatting the angle becomes obtuse 110- 180 degree and opens up and the motion passed. 