Perfect Fit Personal Training

A blog to enlighten you about health and fitness

Stop Crunching!

on March 23, 2011


I’ve been reading up a lot lately on the research done by Dr. Stuart McGill of Waterloo University.

Dr. McGill is a Professor of Spine Biomechanics at the university, and has come up with some interesting findings regarding spines and certain types of abdominal exercises.

As a personal trainer and group fitness leader I find it very interesting when research comes out with an emphasis on NOT doing something because it could be damaging to your body. Of course as fitness professionals, we want to do good, not harm to our clients bodies!

Dr. McGill has very solid evidence backing up his statements about disc breakdown and herniation due to certain types of ab exercises.

Please watch his quick video on the top four exercises that you SHOULD be doing for proper core strength and great abs!



He also has a great book out which is available through his website: where you can also see other articles he has written.

It’s important to be skeptical when accepting new information on what is the proper way to exercise, but the science, in this case, just makes sense.


What do you think?

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