In order for the abs to look truly great you have to use at the very least 6 best ab exercises. The reasoning behind this is because the abdominals have a number of compartments that need to be worked. When you use the 6 best ab exercises you will work every aspect of your abdominals making them cut, defined and just plain awesome. There is no better feeling than having a great 6 pack under your shirt. The other great benefit is that if you train your abs with the 6 best ab exercises you will dramatically increase your core strength which will lower you chances of picking up injuries in training.
In essence, while there are a definite 6 best ab exercises, bear in mind that the very best form of abdominal training is when you keep your core unstable. This forces your mid section to pick up a lot of strain because the other major muscle groups are out of the picture. Having said that, if you are aiming at great abdominals, then you will want to train your abs at least four times a week with the following exercises. These are the 6 best ab exercises. Air Bike Crunches, Janda Situps, Sit ups, Lying side crunch, Supine double leg raise, Alternating toe touch and hip thrusts. Perform those exercises in that order for at least 20 repetitions per exercise without any breaks between exercises for two to three sets. They are by far the 6 best ab exercises that will strengthen every part of your abdominals in a progressive fashion.
Now of course training your abdominals is just part of the process to gaining super quality abs. You need to not only follow the 6 best ab exercises but also implement a fat cutting diet. All you want to achieve is to shed unnecessary layers and reduce your overall body fat so that your abs will look cut, ripped and completely defined.