Exercising at least three times a week is a good, healthy option for most people and when creating an exercise program to follow, it's a good idea to remember that a workout at a Lansing MI fitness center takes a bit longer than just fifteen minutes. There should always be a warm up period of about five to ten minutes, an actual workout of at least twenty minutes and then a cool down after the workout of around five to ten minutes. If a longer workout is required, the cool down and warm-up periods should be longer as well.