Here's How to Lose Those Last 10 Pounds

Keeping things fresh and mixing up a workout is important for so many reasons. Not only does it stop your body from hitting a hard plateau, but you'll also be less likely to get burnt out. Esther Blum says that the same old workouts week after week will only "maintain your fitness levels and make no strength or muscle gains whatsoever." If you want to see changes, you've got to make changes.

If you've always wanted to start running, kick off your program with our 35-minute interval plan that alternates between walking and running. For ladies who have been timid about heading into a yoga class, try our beginner sequence.