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
Before you exercise you need to stretch your muscles. You've probably seen joggers stretching. It looks as though they’re leaning against a tree or a wall, trying to push it over. That kind of stretching (and there are various different stretching exercises) is very important to prevent injury. Read More