While they might make it easier to see the treadmill monitor or your Zumba instructor's demonstrations, frames and lenses aren't exactly conducive to a hard-core sweat session.

You don't need fancy or expensive gadgets to get on the path to a healthy lifestyle, but investing in a few useful products can help to remove any obstacles along the way.

Getting dressed and driving to the gym is half the battle. But once you're there, what comes next? Here's your cheat sheet for how to get the most out of your first days and weeks.