After age 40, muscle mass begins to decline naturally if you do not do regular strength training. This reduces the amount of calories burned daily and promotes fat accumulation in the abdomen. Insulin sensitivity also decreases with age, making carbohydrate spikes more likely to accumulate as belly fat.
Lean to one side
Stand up straight, holding the dumbbells in your left hand. Slowly bend your waist toward the dumbbell, while stretching your doing this exercise. Return to a standing position. Do 3 sets of 15 reps on each side.
Stand up to raise your legs
Stand up straight. Raise your left leg straight out in front while keeping your body tight. Lower slowly. Repeat on the other side. Do 3 sets of 12 reps for each leg.
Standing on your stomach
Stand up straight with your hands behind your head. Raise your knee as you rotate your torso and bring your right elbow toward your knee. Continue to switch sides and do it in a controlling manner. Do 3 sets of 12 reps on each side.