This is actualy quite helpful AND correct. More crunches are not always the answer. What kind of tummy do you have? Pooch? Tire? Stress Tummy? See which of the five you might have and helpful hints to stop bad habits and flatten that belly!
Only takes 4 minutes, but it'll be the longest 4 mins of your life: Burns as many calories as a 40-60 minutes run. Makes your body adapt and improve very quickly. Increases metabolism for up to the next 36 hrs. Takes only FOUR minutes, Developed by a Japanese Scientist. NO EXCUSES. before school every morning