- PrimarySecondaryTertiary
- Difficulty
- Intermediate
- Force
- Pull
- Grips
- Neutral
- Mechanic
- Isolation
- Sit on the floor and flex your knees and hips to a 90 degree angle.
- Your feet should be hovering off the ground. (If that's too hard start with heels on the floor)
- Rotate your upper spine to engage your obliques.