Importance of abdominal muscles
These are some reasons to strengthen your abdominal muscles:

1. Everything we do like to sit, stand and lifting use our abdominal muscles.
2. These muscles stabilize the torso and help us to maintain good posture
3. strong abdominal muscles help to prevent sore lower back and bone injuries of the spine in this area.

How to strengthen these muscles
Every muscle is strengthened by exercise. Exercises to strengthen these muscles are the same ones that give you a firmer stomach. Flat belly but do not say strong, because if it is necessary to remove accumulated fat by eating fewer calories than you burn or increasing our level of exercise.

The abdominal muscle exercise is simple but has to be precise to be effective. Note that we are talking not of a muscle but a set of muscles but most benefit from the same exercises. Please read: flat belly

Some considerations when doing sit-ups

While doing abdominal abdomen shrinks slightly. This way you are protecting your bones and making the target muscles work harder.

All movement should be started from the stomach or abdominal muscles not your back or legs.

If you are doing abdominal lying totally do not get up because if you stop using the abdominal muscles and are using other muscle groups.

Your abdominal exercise routine can be as short as 3 to 5 minutes every other day. If you want more intense training may be 10 minutes. Read abdominal exercises

But remember these exercises strengthen the muscles to have a flat belly or gut lose fat is required. .

Abs during the day

Try to maintain good posture. Good posture contract your abdomen slightly and this keeps the muscles healthy.

When you think you can do crunches either standing or sitting repeated 10 to 20 times shrinking, sustaining and expanding the abdomen.

If you suffer from pain in the lower back abdominal exercises can be improved (but no damage) but it is best to check with your doctor.

There is no age limit to strengthen the muscles can begin at any age.