The Worst 5 Ab Exercises

http://www.trainerjosh.com Avoiding these 5 ab exercises will spare your back a lot of problems down the road. These ab exercises are the worst because they put unnecessary strain on the lower back while not working the abdominals effectively. The popularity of these exercises is amazing but I've found most people are unaware that these are actually hurting themselves rather than doing them good. If you're looking for the best ab exercises then let me know and I'll make a video on my favorite ab exercises to flatten your stomach.