Feel the Burn with These 23 Awesome Treadmill & Elliptical Workouts ...

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It's summer, which means it might be a little too hot and humid to run outside.

So let's head inside to the treadmill and elliptical and burn some calories without burning up!

(To see an image a little larger, give it a tap.)

1. Start at the Beginning

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Via Beginner Cardio Treadmill Interval Workout
Get a Better Butt Treadmill Workout
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