Stomach crunches may be the most popular abdominal exercise around, but doing crunches is not actually the best way to slim your midsection, as crunches do tone only a small portion of your abs and they don't burn off a lot of calories.
On the contrary, moves involving your distal trunk, which include your shoulders and butt, engage much more effectively your entire core, and therefore burn more calories and slim your waist quicker.
