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Lauren Conrad's treadmill interval workout
Fun 30 minute workout: 2/3 cardio and 1/3 arm work. Great for getting in shape for the beach!
This is a workout designed for weight loss! In just 20 minutes, you'll get fat-burning cardio and full-body strength training. All you need is a pair of dumbbells. Get to it! | via @SparkPeople #fitness #exercise #video #tone #diet