The optimal caloric deficit when you are training 4 times a week is different than the optimal caloric deficit for merely losing weight. You must eat enough food to fuel your training and feed your muscles but still be in a state of a caloric deficit to keep burning fat. For further information on dieting for six-pack abs, refer to my other article entitled Six Pack Abs Diet: The Ultimate Diet Plan to Get Ripped.
Trainer tip: You know planks, right? It’s easy to go through the motions here. Don’t do it. “The key is to squeeze your entire body—quads, glutes, core, back, and fists—as tight as possible while taking diaphoretic breathes throughout the hold,” says Wealth. No matter how many times you’ve done it, this exercise is as difficult as you’re willing to make it.