Completar frases Burns: Rule of NinesVersión en línea This game will help retain information about the rule of nines with burns por Leah Lloyd 1 area 9% 9 18% degree 18% rule depth 9% nines severity surface percentage 1% Burns are classified as first , second , or third according to their or . The treatment of burns depends on the amount of that is damaged . For this reason , it is helpful to be able to estimate quickly the amount of surface area that is burned . One easy method for making a quick estimate is called the of . In this method , each body region constitutes a of the total that is some multiple of . Each upper limb is of the total body surface area ; each lower limb is ; the anterior and posterior trunk regions are each ; the head and neck together make up and the perineum is the final .