Why is it important for everyone to exercise anaerobically, not just athletes?

Muscle strength is necessary in our daily lives. we also need to stay fit and we need to exercise for a balanced life style of activity.

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.