How to have perfect abs?

How to have perfect abdominal muscles?

How to do training exercises correctly is as important as which training exercises to choose.

Perfect abdominal training should include at least 4 types of movements: training for the upper half of the abdomen, such as sit-ups;

Training for the lower half of the abdomen, such as hanging lifts Legs; training for the side abdomen, such as twisting sit-ups; training for the transversus abdominis, such as plank support.