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All exercises

Crunch (on stability ball, arms straight)

Intermediate

Crunch (on stability ball, arms straight) is a isolation exercise for the abs, also working the quads.

What it works

Primary muscle

Abs

Also works

Quads

Equipment
Other
Movement
Core
Type
Isolation
Logged as
Reps
Suggested rest
1 min

How to do it

  1. 1Sit on the stability ball with your feet flat on the ground and your knees bent at a 90-degree angle.
  2. 2Lie back on the ball until your lower back is supported and your upper body is parallel to the floor.
  3. 3Place your hands behind your head or cross them over your chest.
  4. 4Engage your abs and lift your upper body off the ball, curling your shoulders towards your hips.
  5. 5Pause for a moment at the top, then slowly lower your upper body back down to the starting position.
  6. 6Repeat for the desired number of repetitions.

What to do instead

  • Decline crunchBodyweight
  • Crunch floorBodyweight
  • Frog crunchBodyweight
  • Negative crunchBodyweight
  • Cable reverse crunchCable
  • Crunch (on stability ball)Other

Easier variations

  • Seated side crunch (wall)Bodyweight
  • Bicycle crunchBodyweight
  • Butt-upsBodyweight
  • CocoonsBodyweight

Harder variations

  • Weighted hanging leg-hip raiseWeight plate
  • Suspended reverse crunchBodyweight
  • Hanging straight leg hip raiseBodyweight
  • V-sit on floorBodyweight
Logged today · 1 min restCrunch (on stability ball, arms straight)

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