It’s great to have a solid routine you can bust out on a weekly basis, but eventually you’re going to hit that dreadful phase known as a plateau. “If you’re getting consistent weeks of no change at all, then you need to shock and put a new demand on the body,” explains Gidon Gabbay, president of G Force Home Training.

This could mean trying a new form of cardio, like swimming or jumping rope, to adding an additional day of exercise. Plus, changing up your routine isn’t just good for your muscles, but your brain too.