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The ‘15-15-15’ Workout Is Great Cardio for the Easily Bored
I just learned that one of my favorite ways to pass the time in a hotel gym has been given a catchy name and a celebrity ...
A Simple 15-Minute Workout for Flat Abs
In fact, with the right moves, you can achieve a solid ab workout in just 15 minutes. Enter the EMOM ab workout—a quick but ...