Summary: The sad fact is that for years the population at large has been misled by social media experts and "influencers" giving outdated advice on how to build a rock-solid six-pack. Coach Brian and Coach Chris dive deep beyond the superficial and into the best and worst ab exercises. Find out how to get the flat, strong ab muscles you've always wanted. It's time to STOP spine damaging movements that cause chronic pain in the back, neck and knees. Get ready to bullet proof those abs once and for all.
