Harder, Not Longer (Planks That Is)

BostonHerald.com Blogs.

In his book Ultimate Back Fitness and Performance, Dr. Stuart McGill notes that when referring to low back stability, one needs to place an emphasis on endurance rather than strength training. As counterintuitive as it may sound, most people with chronic lower back pain, do in fact, have strong lower backs. The reason why they’re so jacked up all the time is because they use their lumbar spine too much, and lack the proper spinal stability to control end range of motion. More…