Forget sit-ups — these fitness trainers ranked 22 abs exercises and this is the top bodyweight move to build a stronger core

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These calisthenics experts ranked 22 abs moves into tiers and the hollow-body crunch came out on top, while sit-ups were left languishing in the bottom tier.

Forget sit-ups — these fitness trainers ranked 22 abs exercises and this is the top bodyweight move to build a stronger core : Read more