• Burn 300 Calories in 30 Minutes
  
  If you want to lose weight using cardio machines, you have to work for it. Check out these treadmill, elliptical trainer and cycling workouts that will help you burn 300 calories in 30 minutes.
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• Cardio 101 - The Facts About Cardio
  
  Everything you ever wanted to know about cardio exercise from your About Exercise Guide
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• Cardio Blast Workout - Challenge Yourself!
  
  Challenge yourself with this Cardio Blast Workout from your About Exercise Guide
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• Cardio Endurance Workout
  
  Increase your endurance with your Exercise Guide at About.com
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• Cardio Exercise
  
  Beginner's guide to cardio exercise for weight loss and health from your About.com Exercise Guide
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• Cardio Intensity Interval Workout
  
  This Interval Training Workout includes both sprints and hills to burn calories and build endurance
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• Cardio Interval Workout on the Treadmill
  
  Cardio Interval Workouts for Beginners from your Exercise Guide at About.com
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• Cardio Interval Workouts for Beginners
  
  Cardio Interval Workouts for Beginners from your Exercise Guide at About.com
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• Cardio Workouts in the Gym
  
  This walking workout for beginners is a great way to gets started with cardio exercise.
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• Cardio Workouts in the Gym - Boredom Busters!
  
  Bust boredom and increase the intensity of your workouts with this 30-minute treadmill interval workout.
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• Cardio Workouts in the Gym - Treadmill Medley
  
  Increase the intensity of your workouts with this unique treadmill workout from your Exercise Guide at About.com
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• FB - Cardio Sculpt and Burn - Workout Videos by ExerciseTV
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• FB - Cardio Shape Up - Workout Videos by ExerciseTV
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• FB - Jazz Cardio Strength Stretch #1 - #25
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• Top 10 Cardio Exercises
  
  You already know that one of the most important things you can do for your weight loss goals is regular cardio exercise. There are so many choices out there...which exercises are the most effective? Below are the best cardio activities for blasting calories and getting in great shape.
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• What's So Great About Cardio?
  
  How much cardiovascular exercise you need to keep your heart healthy, and how to get it.
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• Why You Need Cardio Exercise
  
  Learn about cardio exercise and the benefits of cardio exercise from your About Exercise Guide
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