- PrimarySecondaryTertiary
- Difficulty
- Beginner
- Force
- Pull
- Grips
- None
- Mechanic
- Isolation
- Lie on your back with bent knees.
- Hug your knees and pull them towards your chest.
- Feel your lower back come off the ground.
- You can add a you can add an abduction to target the hips as well.



