Abs exercise · stability ball
Stability Ball Crunch (Full Range Hands Behind Head)
The stability ball crunch (full range hands behind head) is a stability ball exercise that targets the abs, with the hip flexors assisting.
- Target muscle
- Abs
- Also works
- Hip flexors
- Equipment
- Stability ball
- Body part
- Waist
How to do the stability ball crunch (full range hands behind head)
- Sit on the stability ball with your feet flat on the ground and your knees bent at a 90-degree angle.
- Place your hands behind your head with your elbows pointing outwards.
- Engaging your abs, slowly curl your upper body forward, bringing your chest towards your knees.
- Pause for a moment at the top, then slowly lower your upper body back to the starting position.
- Repeat for the desired number of repetitions.
Sets and reps
Start with 3 sets of 10–15 reps, resting 45–60 seconds. When every set feels easy, add reps, slow the lowering phase or move to a harder variation.
Muscles worked
The main muscle is the abs. The hip flexors work as secondary muscles. See all ab exercises or every stability ball exercise.







