<prompt> According to rule of nines, burns involving perineum are:191827  <response>: Ans. A: 1 Rule of 9s for Adults: 9 for each arm, 18 for each leg, 9 for head, 18 for front torso, 18 for back torso 1 for perineum Rule of 9s for Children: 9 for each arm, 14 for each leg, 18 for head, 18 for front torso, 18 for back torso Lund-Browder diagrams improve the accuracy of the TBSA for children. Palmar hand surface is approximately 1 TBSA 