My stomach is MUUUUCH smaller than it was, but it seems like I'm not loosing as much fat in my stomach, especially my lower stomach. I currently do regular crunches, and then crunches where I bring my knees and elbows together, also the other day someone told me about this yoga exercise, where you put your toes, forearms and elbows on the ground, keep your back straight and hold it, but I'm thinking I should do more of a variety than that. Can I have some suggestions for exercises that will target my abdomen?