Location	Adult (g)	Older child (g)	Younger child (g)	Infant < one year (g)
Arm and hand	60	40	20	15
Back and buttocks	100	70	40	20
Entire body	580	350	190	120
Face and neck	30	30	20	15
Front of chest and abdomen	100	50	30	15
Hand and fingers (front and back)	15	10	7.5	5
Leg and foot	110	60	30	20