How to Do Dumbbell Straight Arm Crunch

Dumbbell Straight Arm Crunch is a core exercise using dumbbell, listed as intermediate in the A90 Training Club catalogue.

Primary muscle

Core

Equipment

Dumbbell

Difficulty

Intermediate

01 / Move with control

How to perform

How to do Dumbbell Straight Arm Crunch

  1. 01Lie flat on the floor with knees bent and arms extended vertically holding a pair of dumbbells.
  2. 02Lift the shoulder blades off the floor by contracting the upper abdominals while keeping the arms strictly vertical.
  3. 03Reach the dumbbells toward the ceiling rather than toward the knees.
  4. 04Lower the upper back to the floor slowly until the shoulder blades make contact.
  5. 05Exhale on the way up and maintain a tuck in the chin to protect the neck.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Dumbbell Straight Arm 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

Ensure the dumbbells stay pointed at the ceiling; do not let them swing forward toward the knees to use momentum.

Same coaching engine used inside the A90 app

05 / FAQ

Dumbbell Straight Arm Crunch questions

What muscles does Dumbbell Straight Arm Crunch work?

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

How do you do Dumbbell Straight Arm Crunch correctly?

Lie flat on the floor with knees bent and arms extended vertically holding a pair of dumbbells. Lift the shoulder blades off the floor by contracting the upper abdominals while keeping the arms strictly vertical. Reach the dumbbells toward the ceiling rather than toward the knees. Lower the upper back to the floor slowly until the shoulder blades make contact. Exhale on the way up and maintain a tuck in the chin to protect the neck.

What is the A90 coach tip for Dumbbell Straight Arm Crunch?

Ensure the dumbbells stay pointed at the ceiling; do not let them swing forward toward the knees to use momentum.

Is Dumbbell Straight Arm Crunch suitable for beginners?

Dumbbell Straight Arm Crunch is rated intermediate in the A90 Training Club catalogue.

What equipment do you need for Dumbbell Straight Arm Crunch?

Dumbbell Straight Arm Crunch uses dumbbell.

A90 Intelligence

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