Fitness products seen on TV are all pretty hyped up in the infomercials and leave most of us scratching our heads in frustration. Which of them are effective and how do they perform in a side by side comparison? The students at Marion High School did a great job in this video review. Seven of the most widely advertised fitness products are tested in a their six week gym program. Find out how effective the following ab trainers really are. They tested the Body Pod, the Bean, Cross Crunch, 6 Second Abs, Red XL, Ab Lounge Chair and Ab Roller.