Which Cardio Machine Should I Let Kick My Ass — the Treadmill, Bike or Elliptical?

If I’m going to remove myself from the couch, I may as well get the most out of it

How Often Do I Need to Run to Get the Six-Pack of My Dreams?

Spoiler (and common sense) alert: Running does a lot more for your butt than your abs

Putting the Theory of Crocs in ‘Sports Mode’ to the Test

Can the lightweight utilitarian clog of nurses everywhere also be athletic footwear? I turned to a mechanical engineer — and wind sprints in my backyard — to find out

The Butt-Kick Exercise Is the Best Way to Kick Your Own Butt

Butt kicks are a warmup, plyometric exercise and cardio all rolled into one, and will make your workouts surprisingly easier

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