Butterfly Crunch
The Butterfly Crunch mainly works the core. No equipment needed: it uses just your bodyweight.
Optional Equipment

Butterfly Crunch Muscles Worked
Primary
Abdominals (rectus abdominis)
Secondary
Obliques; Deep Core (transverse abdominis)
How to do the Butterfly Crunch
Setup
Lie flat on your back on a exercise mat.
Bring the soles of your feet together and let your knees fall outwards into a butterfly or bound angle position.
Extend your arms straight out in front of you.
Execution
Engage your core muscles to lift your upper back off the floor, reaching your hands towards your feet.
Keep your gaze forward and avoid pulling on your neck.
Pause briefly at the top of the movement, squeezing your abdominals.
Slowly lower your upper back down to the starting position under control.
Butterfly Crunch FAQs
What muscles does the Butterfly Crunch work?
The Butterfly Crunch mainly works the core. The main muscles are the rectus abdominis.
What equipment do you need for the Butterfly Crunch?
None. The Butterfly Crunch is a bodyweight exercise, so you can do it anywhere.
Training calculators
Work out the numbers behind your training before your next session.
