Stability Ball Jackknife
Rolling a stability ball in under the body with the shins from a high plank, a move for the abs.
- Body part
- Core
- Equipment
- Stability ball
- Category
- Strength
- Pattern
- Trunk flexion
- Mainly works
- Abdominals and hip flexors
- Also
- Front delts
Cues
- High plank, shins on the ball
- Pull the knees in
- Roll back out
