“The reverse crunch is a classic core-strengthening move that targets the lower abdominals ,” says Boncompagni. “Unlike regular crunches, which are performed with the feet on the floor and work more of the upper abs, reverse crunches are done with legs lifted off the floor.”
Read moreWhat does a reverse crunch do?
The reverse crunch primarily works your rectus abdominis (your “six-pack”). The primary function of this muscle is to flex your trunk and spine. Takes strain off your neck. When doing sit-ups and crunches, people often pull their neck forward with their hands.24 Kas 2020
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