In general, sagging around the waist and sides is directly associated with total body fat: the more fat you have, the more it accumulates around the center.
The abdominal muscles are probably the part of the human body for which there are more exercises. Not everything is by chance. The stomach and core muscles are
Well-known traditional core exercises like sit-ups or cycling are great for sculpting your upper abs, but they barely touch those pesky lower abdominal muscles, making toning this problem