Probably you have already read about this method somewhere, but think of it skeptically. People who trusted this method have tried it and made their body stronger with a fully defined abdomen.
It is one of the most effective exercises to strengthen the central part of the body. It helps you define the muscles of the buttocks, arms and legs. Moreover, it eliminates fat deposits and strengthens internal and external muscles of the back and abdomen.
The method we are writing about is known as “Plank challenge” and is designed to last only four weeks. The levels of difficulty enhances gradually with the sequence of training days.