Warming up means doing a slower, quieter version of the type of exercise you've chosen. For example, if your exercise prescription is for walking briskly for thirty minutes, you should start out by walking slowly. It gets your muscles warmed up so they’re more relaxed and less likely to get injured as you speed up to reach your THR. And it gets you into the mood of the whole thing.
I generally advise people to warm up for about five minutes before beginning the actual aerobic exercise.
Author: Cleaves M. Bennett MD FACP
You probably need to exercise a minimum of three times a week, and ideally five times a week, with a lower level of exercise (some casual walking, perhaps) on the sixth day. And then it's important to get one day of rest, to allow your muscles, your bones, and your joints to heal up and toughen up. Read More