Mix and Match your Cardio. If you tend to do the same machines all the time, try a cardio medley. Choose 5 different machines and spend 5 or more minutes on each. Or choose 3 machines and hit each for 15 minutes. Mixing things up can make your workouts seem shorter and more interesting. Try this Cardio Medley Workout for ideas.
Mix and Match your Strength Training. If you've been doing the same old routine for awhile, try mixing things up by using different types