Twisting Crunch (on stability ball)
The Twisting Crunch (on stability ball) primarily works the External Obliques, with secondary activation of the Rectus Abdominis. It is a bodyweight isolation exercise at intermediate difficulty.
A bodyweight isolation pull exercise targeting the External Obliques.
| Equipment | Bodyweight |
|---|---|
| Difficulty | Intermediate |
| Type | Isolation |
| Movement | Flexion |
| Force | Pull |
| Laterality | Bilateral |
| Primary | External Obliques |
| Secondary | Rectus Abdominis |
Muscles Worked
Front
Back
Primary
Secondary
Stabilizer
Primary Muscles
- Primary Muscle External Obliques (core)
Secondary Muscles
- Secondary Muscle Rectus Abdominis (core)
Instructions
- Preparation: Sit on exercise ball. Walk forward on ball and lie back on ball with shoulders and head hanging off, and knees and hips bent. Gently hyperextend back to contour of ball. Hold plate behind neck or on chest with both hands or use no weight. Execution: Flex waist to raise upper torso. Return to original position. Repeat. Comments: Certain individuals may need to keep their neck in neutral position with space between their chin and sternum. Some individuals may experience low back discomfort if hips are not bent, so they must use smallerball sizeor lower their hip position on ball. AlsoSpot Reduction Myth.
Alternative Exercises
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