Top 5 Reasons to STOP Doing Crunches & Sit Ups
Discover the top 5 reasons fitness experts ditched crunches: from potential spine damage to promoting muscle imbalances, and what to do instead.
Read MorePosted by Team Critical Bench | Nov 11, 2016
Discover the top 5 reasons fitness experts ditched crunches: from potential spine damage to promoting muscle imbalances, and what to do instead.
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