Flutter kicks are a core exercise that targets your lower abs. They differ from sit-ups or crunches, which target more of your upper abs, because those involve you scrunching into your stomach while flutter kicks require you to keep your abs fairly stable and stiff .
Are flutter kicks better than sit-ups?
Flutter kicks are a core exercise that targets your lower abs. They differ from sit-ups or crunches, which target more of your upper abs, because those involve you scrunching into your stomach while flutter kicks require you to keep your abs fairly stable and stiff .