Meals can be reimbursed for children up to:

Not true , they can fall or something

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other. 

You would modify how often you work out in reps and sets and also modify calorie intake