# Butterfly Sit-Up

URL: https://heatsy.app/ex/butterfly-sit-up

Also known as: Butterfly Crunch, Frog Sit-Up

Body region: Core

## Muscles

- Main: Rectus Abdominis
- Helps: External Oblique, Internal Oblique
- Holds: Iliopsoas, Adductor Longus

## Technique

1. Sit on the floor, press the soles of the feet together and let the knees fall out to the sides.
2. Lie back with the arms reaching overhead.
3. Swing the arms forward and curl the torso up until you can touch the floor near your feet.
4. Roll back down slowly, one section of the spine at a time.

### Cues

- Keep the feet together and on the floor.
- Lead with the chest, not the chin.

### Common mistakes

- Throwing the arms to jerk the body up.
- Dropping back to the floor quickly.

## Alternatives

- [Sit-Up](https://heatsy.app/ex/sit-up)
- [Crunch](https://heatsy.app/ex/crunch)