Sit ups: Are they crunching more than you bargained for?
For as long as any of use can remember sit ups have been a core exercise if you will excuse the pun. Few among us did not grow up grinding out set after set. Equally, few among us do not suffer periodic back pain. Are the two related?
For some time Stuart McGill a Professor of Spine Biomechanics at the University of Waterloo in Canada has been writing about the dangers of sit ups.