Crunches And Sit Ups Hurt Your Neck...

Russ Howe PTI 2013-09-12

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Get more from Russ Howe PTI: http://russhowepti.com/get-results Do crunches and sit ups hurt your neck?

Today, fitness instructor Russ Howe PTI will show you the commonly made mistake which causes neck pain during sit ups and crunches.

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