Video: Abdominal crunch
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The abdominal crunch is a classic core-strength exercise. See how it's done.
© 1998-2025 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use
The abdominal crunch is a classic core-strength exercise. See how it's done.
© 1998-2025 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use