How to Do Reverse Crunch

Reverse Crunch is a core exercise using bodyweight, listed as beginner in the A90 Training Club catalogue.

Primary muscle

Core

Equipment

Bodyweight

Difficulty

Beginner

01 / Move with control

How to perform

How to do Reverse Crunch

  1. 01Lie face up on the floor with arms by the sides and knees bent at ninety degrees.
  2. 02Contract the abdominals to pull the knees toward the chest, lifting the hips off the floor.
  3. 03Exhale at the top of the movement when the pelvis is fully curled toward the ribs.
  4. 04Lower the hips back to the floor under control without letting the feet touch the ground.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Reverse Crunch

Primary Stabiliser Inactive

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Primary movers

  • Core Stabilises the spine and transfers force.

Stabilisers

  • Lower back Stabilises the spine during lifts and bends.
  • Forearms Grips and stabilises the wrist under load.

03 / A90 Coach

A90 Coach tip

If the lower back arches excessively off the floor, shorten the range of motion and focus on pulling the navel toward the spine.

Same coaching engine used inside the A90 app

05 / FAQ

Reverse Crunch questions

What muscles does Reverse Crunch work?

Reverse Crunch is catalogued as a core exercise in A90 Training Club, with the core as its primary muscle group.

How do you do Reverse Crunch correctly?

Lie face up on the floor with arms by the sides and knees bent at ninety degrees. Contract the abdominals to pull the knees toward the chest, lifting the hips off the floor. Exhale at the top of the movement when the pelvis is fully curled toward the ribs. Lower the hips back to the floor under control without letting the feet touch the ground.

What is the A90 coach tip for Reverse Crunch?

If the lower back arches excessively off the floor, shorten the range of motion and focus on pulling the navel toward the spine.

Is Reverse Crunch suitable for beginners?

Reverse Crunch is rated beginner in the A90 Training Club catalogue.

Do you need equipment for Reverse Crunch?

No. Reverse Crunch is listed as a bodyweight movement in the A90 catalogue, so you can train it with no kit.

A90 Intelligence

Put this into a real plan.

A90 Intelligence programmes reverse crunch into a 30, 60 or 90 day plan built around your equipment, then adjusts it as you train.

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