It's interesting that people see their bodies as some completely separate entity from their *self*, a being that just does whatever it wants. But barring any health issues, your fitness, body and health is ALL up in your head. Every bit of it. What you THINK determines what your body does. Find new ways to think yourself FIT.

How you should workout has to do with your goals. Are you working towards strength? Building muscle? Overall better health? Although each has a different strategy, the principals are the same for all fitness. Here are 11 principals you should be following.