How to Do Star Crunches

Star Crunches 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 Star Crunches

  1. 01Lie supine on the floor with arms and legs spread wide to form an X shape.
  2. 02Exhale and simultaneously lift the head, shoulders, and legs off the floor.
  3. 03Bring the opposite hand toward the opposite foot by crunching the torso upward and inward.
  4. 04Lower the limbs back toward the floor under control without letting them rest completely.
  5. 05Alternate sides for the prescribed number of repetitions.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Star Crunches

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

Touch the shoulder blades to the floor lightly between reps but keep the abdominal wall under tension throughout the set.

Same coaching engine used inside the A90 app

05 / FAQ

Star Crunches questions

What muscles does Star Crunches work?

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

How do you do Star Crunches correctly?

Lie supine on the floor with arms and legs spread wide to form an X shape. Exhale and simultaneously lift the head, shoulders, and legs off the floor. Bring the opposite hand toward the opposite foot by crunching the torso upward and inward. Lower the limbs back toward the floor under control without letting them rest completely. Alternate sides for the prescribed number of repetitions.

What is the A90 coach tip for Star Crunches?

Touch the shoulder blades to the floor lightly between reps but keep the abdominal wall under tension throughout the set.

Is Star Crunches suitable for beginners?

Star Crunches is rated beginner in the A90 Training Club catalogue.

Do you need equipment for Star Crunches?

No. Star Crunches 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 star crunches into a 30, 60 or 90 day plan built around your equipment, then adjusts it as you train.

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