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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.

Animated demonstration of the stability ball crunch (full range hands behind head)
Stability Ball Crunch (Full Range Hands Behind Head) — demonstration
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)

  1. Sit on the stability ball with your feet flat on the ground and your knees bent at a 90-degree angle.
  2. Place your hands behind your head with your elbows pointing outwards.
  3. Engaging your abs, slowly curl your upper body forward, bringing your chest towards your knees.
  4. Pause for a moment at the top, then slowly lower your upper body back to the starting position.
  5. 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.

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