Back Pain Guide

Can Crunches Hurt Your Back?

By Rick Mayo
Absolutely. According to Dr. Stuart M. McGill, professor of spine biomechanics at the University of Waterloo and author of Ultimate Back Fitness and Performance, spinal flexion (rounding the lower back) is a key contributor to disc herniations. Think about it. When do you “throw your back out”? Normally, when you are bending forward [...]

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