If you want to lose weight, there are two questions that immediately come to mind: What should I eat? and What should my workouts look like? For those who are the "diet starts on Monday" type, figuring out the fitness part of the weight-loss equation might seem like a good place to start. Deciding on the best plan of attack is easier said than done, though, since even fitness experts aren't unanimous on how to lay out the perfect week of workouts. But there are some general guidelines that can help if you're trying to piece together your own program.