Lying Leg Lifts
This exercise targets the lower abs. with this kind of exercise, you are on the same position as with the crunches, you lie flat on your back and lift your legs six to twelve inches of the ground. This would exercise the muscles in the lower part of the abdomen. When performing leg lifts, place your hand under your buttock. It adds leverage and helps you get your feet elevated.
If you want to add more weight into the exercise, attach padded weights into your ankles. These weights can be purchased at the local sports store. If you do not want to buy weights, you can simply fill up old tube socks with enough clean, unused cat litter to make one or two pound weight. Explore your options in best weight loss product.