Dr. Stuart McGill: The man who wants to kill crunches

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The side bridge. One exercise from a series of exercises developed to replace the sit-up for spine-sparing core muscle training.
The side bridge. One exercise from a series of exercises developed to replace the sit-up for spine-sparing core muscle training.

“What happens when you perform a sit-up?” Dr. McGill asked himself in an interview with Maclean’s Magazine. “The spine is flexed into the position at which it damages sooner.”…“There are only so many bends in your spine until the discs eventually herniate.”

While there are a lot of ways to injure a back, Dr. McGill claims the sit-up is an easily preventable one. He has developed a series of exercises that strengthen the core while not bending the spine.

Read more in the MacLean’s Magazine interview with Dr. Stuart McGill on why he wants to kill crunches.