How to do a butterfly sit-ups
CoreBodyweightBeginner
A sit-up with the soles of your feet together and knees wide — takes your legs out of it so your core does the lifting.
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How to do it
- 1Sit with your soles together, knees dropped wide
- 2Lie back, then curl all the way up
- 3Reach toward your feet and lower with control
Muscles worked
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See the butterfly sit-ups and 200+ more inside Core Buddy. It builds and times the whole session for you — every move with a video like this one. Free to download.