You'll need to have a good diet plan and stomach flattening exercises for you to have those great abs. In burning fats, you can emphasize on an area but you can't work on them in isolation. You can't spot target a specific area in your body to reduce fat. Lower abs are tough to see because that's just the last place you lose body fat.
There's no point in doing a thousand repetition in doing crunches to burn off fat in the abs. The major muscle group are the ones responsible for eliminating body fat. Exercises that are better for fat burning in the abdominal area includes squats, leg extensions, leg curls, pull downs, rows, and chest press. Abdominals are used for stability. One example is when you are doing side raise dumbbells, you'll also need to use the abdominals.
For the abdominals, you won't need to put too much time. Usually at the end of the routine they are already warmed up. So, it is not good to work on your abs at the start of your routine. Most people would want to emphasize on their abs so they would do it first.
When your abs are already fatigued before exercises, chances are you'll strain some parts in your body. One example is when your abs is already fatigued and you do squats, your back will take all the work load and get to strain your back. It is therefore advisable to do your abs training at the end of each workout.
Full sit ups is lying on the ground, getting your feet placed underneath and somebody is holding your feet for support. In this type of exercise you can't help but use your hip flexors. In doing sit ups you'll feel your muscles contracting. It is what pulls you up. Abdominal exercises should only involve trunk flexion. It is going to bring your upper body down to your pelvis. Bending the hips like in sit ups doesn't work on the abdominals.
With the right nutrition and right strength training such as squats, pull down, chest press and cardio training you'll get to burn a lot of abdominal fats and your abs will benefit from these indirect exercises. Know the effect of every routine to your body to get positive results.
