While it can be easy to get wrapped up in the latest workout trends that may come and go, and almost always (falsely) promise to tone you up overnight, we found an exercise regimen that you should totally get on board with for its practical nature. It's called functional fitness, and is actually a series of exercises that are designed with how you actually use your body in mind (hence the use of the term function!) and train your muscles to be able to accomplish the IRL activities you want to do each day. Super practical, right? It gives you...