Abs exercise

Reverse Crunches

How to do the Reverse Crunches with correct form — the muscles worked, equipment, and step-by-step technique from the Fitonist exercise library.

Start lying down with your arms by your sides. Raise your legs so your thighs are perpendicular to the floor and your knees are bent at a 90° angle. Breathe out and contract your abs to bring your knees up towards your chest and raise your hips off the floor. Hold for a beat in…
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Illustration showing the Reverse Crunches
Targets

Muscles worked

Abs muscle Abs Primary
Technique

How to do the Reverse Crunches

  1. 1 Start lying down with your arms by your sides.
  2. 2 Raise your legs so your thighs are perpendicular to the floor and your knees are bent at a 90° angle.
  3. 3 Breathe out and contract your abs to bring your knees up towards your chest and raise your hips off the floor.
  4. 4 Hold for a beat in this position, then slowly lower your legs back to the starting position.