what is the hardest Ab exercise?
Friday, December 11th, 2009Been doing abs now for a while done crunches and several others the work all the abs. I even do weighted crunches 35 pounds on my chest while using the ball. Question is whats a more advanced exercise thats really hard to do??? I can do 200 crunches in a row I feel the burn but it it starts to hurt my neck a lil. Any guidence would be helpful thanks
David





