Flat Stomach: Here Is The Most Effective Exercis
The most effective exercise for a flat stomach is the plank. But the plank is not as easy to make correctly as many think. So here is a guide on how to do the perfect plank: The plank is one of the most popular exercises in the gym, and it may look simple, but it's not. Many people don't do the plank correctly. Instead of using their muscles to keep the body up and stable, they hang on to their ligaments, which means that they risk getting pain in, for example, the lower back. If you can lie…