This is a test of commonsense. Complete the next sentence:

How to use exercise to help you lose weight 
Select an exercise regimen that is appropriate for you. 
Choose activities that you like, exercise at convenient times of the day, and have a variety of exercises to chose from to avoid getting bored. 
Familiarize yourself with the benefits and potential risks of the exercises you are considering.
You will want to know approximately how many, what muscle groups are being used, and how long you should perform the exercises. Spend most of your time on regular aerobic exercises.