Prior to exercise consider the following:
- What is your current fitness level? Are you active or are you inactive?
- Do you have any health history to be concerned with, i.e. high blood pressure, high cholesterol?
- Have you ever had an injury before? A broken bone, back pain, etc?
- Have you ever exercised before? If not, consider seeking help from a certified professional so you do not injury yourself.
These questions are just a few to ask but will assist you prior to starting exercise. The best advice I can give would be to meet with a trainer to get some advice. If you do not belong to a fitness center then be sure to purchase a pair of shoes with good support and go out and start walking. As you build your fitness level and get into a routine then you will be able to gage your fitness level a little better and be able to figure out how hard you can push yourself.