If you are younger, you may think that your body is very limber and is quickly able to adapt and thus you can jump straight into exercise with no sequela. Likewise, if you are on the other end of the spectrum, you may think that the type of exercise you do is so low impact, that you will do no harm by getting right into it. However, it is important to prepare the body for exercise at any age. Preparing for exercise requires a minimum of these three things: hydration and nutrition, warming up and proper clothing.