If you are confused by all the fitness advice and complicated exercise training programs that abound today, you're not alone. Many people start exercising with great intentions, get confused or bored with what to do, and simple quit or go back to an ineffective program just because it's easier.
Getting in great condition doesn't have to be complicated. Yes, there are very specific and involved training programs, but one of the simplest concepts of exercise progression is just to alternate hard and easy days. It really can be that simple if you understand a couple of basic exercise principles.
If you want to get in better shape in 2013, but keep it simple, use this basic outline for an effective exercise routine for everyone.