BODY SECTION
SURFACE AREA
Head and neck
9 percent
Anterior trunk (chest and abdomen)
18 percent
Posterior trunk (back and buttocks)
18 percent
Upper extremities
18 percent (each arm--9 percent)
Lower extremities
36 percent (each leg--18 percent)
Genitalia and perineum
1 percent
TOTAL
100 percent
Figure 6-3. Rule of nines for an adult casualty.
MD0554
6-7