The World’s Greatest Abs Exercise
Sculpt your stomach and save your back with one genius move.
by David Zinczenko
Walk into any gym in any city, and you’ll see the same thing: Lots of men and women doing lots of reps of exactly one abs exercise: the crunch. This classic move is excellent for increasing the size of your midsection muscles, but it comes with an inherent drawback: To do it, you must round your lower back. Repeatedly. And that repetition increases the strain on your intervertebral discs and the wear and tear on your spine, setting the stage for back pain down the road (or exacerbating any damage that already exists).




























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