Tag Archives: Nathane Jackson Fitness

STOP with the CRUNCHES Already! Part 6

Overview According to Dr. Stuart McGill, professor of spine biomechanics at the University of Waterloo (Waterloo, ON, Canada), “The traditional sit-up imposes approximately 730 pounds of compression on the spine.” (McGill, 88)  This fact alone is enough to convince me to stay far away from crunches and all of its variations. Unfortunately, Back extensions aren’t… Read More