Negative Cable Crunches - this is a great way to light up the six pack abs. Essentially, you're using a bit of a momentum, along with your back and biceps to get more weight down into the bottom position than you would normally be able to do if you were doing "normal" cable crunches under control. Then FIGHT that negative all the way up. It's more than just control... It's this fight that really hits the six pack abs hard... the idea is to try and keep crunching the weight down as the weight "un