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A personal trainer says these 3 exercises are better than sit-ups for a stronger core
It's not just Cody who gives these the tick of approval, Dr. Stuart McGill, a Professor of Spine Biomechanics, wrote about three exercises that strengthen the core and prevent lower back pain ...
MUI FITNESS US (English) on MSN3mon
Forget Crunches: More Effective Exercises for a Strong Core
but Dr. Stuart McGill, a professor of spine biomechanics, included the superman among the top three exercises to strengthen ...