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

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!
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Source: With This Plan, You Only
Source: Livy Love: 25 Minute Elliptical
Source: Pre-Turkey Workout