It is not necessary to demand 100 sit-ups per day to begin to tone the abdominal muscles. Before beginning an exercise program, talk to your doctor. There is hardly an easier exercise to begin with than walking. Walking is an aerobic exercise that can be completed anywhere and at any time. Even the cold, inclement weather shouldn't eliminate the chance to walk.
Most shopping malls allow seniors to walk inside before the stores open.
The malls are open 7 days a week and for more hours during the day than anyone could ever walk at one time. Research continues to verify that brisk walking increases circulation to the brain providing clear thinking and giving the body greater energy. The easiest way to begin is to walk for a certain amount of time. Pay particular attention to the distance that was completed on your first walk. You will have improved your pace if you walk farther in the same time.