Physical exercise, in general, and ab training, in particular, release endorphins, the happiness hormones. This helps improve mood, reduce stress, and boost self-esteem. IT'S NOT JUST ABOUT LOOKS!

Best core tightening gadgets to sculpt abs and strengthen the core - High-tech tools to help you achieve a firm and defined ...

Sure, the move requires some core strength to start with, but thanks to its scalability, dumbbell drags are well worth ...