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Ab belts may cause muscle contractions if used properly. But the belt alone cannot produce six-pack abs. The real challenge to ab definition is the layer of fat that lies right under the skin, hiding muscle tone.
4 Tips for this lower ab exercise. 1. Try raise your legs up more by making your knees almost (or even touch) your chest to actually make your lower abs contract and do more work. 2. Do a set of 8-to-20 reps during TV commercial breaks or... 3.Do a workout of 2-to-8 sets of 8-to-30 reps.4. Tips for this lower ab exercise. 1. Try raise your legs up more by making your knees almost (or even touch) your chest to actually make your lower abs contract and do more work. 2. Do a set of 8-to-20 reps during TV commercial breaks or... 3.