Subscribe Now: www.youtube.com/subscription_center?add_user=ehowfitness Watch More: www.youtube.com/ehowfitness Trampolines aren't just for fun - they can also be a really efficient way to work on your abdominals. Do trampoline exercises for the lower abs with help from one of New York's hottest fitness experts in this free video clip. Expert: Jacques Laventure Filmmaker: Jared Jacobsen Series Description: You always want to make sure that you're using your fitness equipment in the right ways to help your workout become as efficient as possible. Get tips on fitness with help from one of New York's hottest fitness experts in this free video series.