You just need 2 dumbbells and 15 minutes to strengthen your core with this standing abs workout
This 15-minute abs workout from YouTube fitness trainer Mizi is a great example of how to train your core without hitting the ...
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 ...