So we might be jumping the gun here, but we're pretty sure you're already starting to think about how to keep slim and trim during the holiday season. Odds are, you're likely thinking about heading into 2015 with a new workout regimen too.

Kudos to you for looking to tone up and shape up! Looking for a few tips on how to make sure you do it right? Check out what Dr. Brett Osborn, author of Get Serious, A Neurosurgeon's Guide to Optimal Health and Fitness. had to tell us.  If you missed Part One, click here:

Nutrition is as important as training. You must provide your body with adequate nutrition to rebuild itself. Dr. Osborn says if your fitness goal is muscular hypertrophy and strength, you'll make few if any gains in the context of poor nutrition.