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Movement · Waist

Crunch (On Stability Ball, Arms Straight)

Sit on the stability ball with your feet flat on the ground and your knees bent at a 90-degree angle. Lie back on the ball until your lower back is supported and your upper body is parallel to the floor. Place your hands behind your head or cross them over your chest. Engage your abs and lift your upper body off the ball, curling your shoulders towards your hips. Pause for a moment at the top, then slowly lower your upper body back down to the starting position. Repeat for the desired number of repetitions.

TargetAbs
Equipmentstability ball
Body partWaist

Technique

How to Perform

  1. 1

    Sit on the stability ball with your feet flat on the ground and your knees bent at a 90-degree angle.

  2. 2

    Lie back on the ball until your lower back is supported and your upper body is parallel to the floor.

  3. 3

    Place your hands behind your head or cross them over your chest.

  4. 4

    Engage your abs and lift your upper body off the ball, curling your shoulders towards your hips.

  5. 5

    Pause for a moment at the top, then slowly lower your upper body back down to the starting position.

  6. 6

    Repeat for the desired number of repetitions.

Muscles worked

Target and supporting

Target

Abs

Secondary

Hip Flexors

Training plans

Found in these plans

No current ScoreDive plan references this exercise.

Move within a comfortable range and use qualified coaching when learning unfamiliar exercises or using equipment. This educational content is not medical advice.