How to Do Plank Reach Through

Plank Reach Through is a core exercise using bodyweight, listed as intermediate in the A90 Training Club catalogue.

Primary muscle

Core

Equipment

Bodyweight

Difficulty

Intermediate

01 / Move with control

How to perform

How to do Plank Reach Through

  1. 01Set up in a side plank on the right forearm with the feet stacked and hips lifted toward the ceiling.
  2. 02Extend the left arm straight up toward the sky, creating a vertical line from hand to hand.
  3. 03Rotate the chest toward the floor while threading the left arm through the space under the torso.
  4. 04Reverse the rotation to return the left arm to the vertical starting position.
  5. 05Maintain a high hip position and a rigid spine throughout the entire rotation.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Plank Reach Through

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

Reach the fingertips as far as possible under the torso to maximize the stretch on the obliques and serratus.

Same coaching engine used inside the A90 app

05 / FAQ

Plank Reach Through questions

What muscles does Plank Reach Through work?

Plank Reach Through is catalogued as a core exercise in A90 Training Club, with the core as its primary muscle group.

How do you do Plank Reach Through correctly?

Set up in a side plank on the right forearm with the feet stacked and hips lifted toward the ceiling. Extend the left arm straight up toward the sky, creating a vertical line from hand to hand. Rotate the chest toward the floor while threading the left arm through the space under the torso. Reverse the rotation to return the left arm to the vertical starting position. Maintain a high hip position and a rigid spine throughout the entire rotation.

What is the A90 coach tip for Plank Reach Through?

Reach the fingertips as far as possible under the torso to maximize the stretch on the obliques and serratus.

Is Plank Reach Through suitable for beginners?

Plank Reach Through is rated intermediate in the A90 Training Club catalogue.

Do you need equipment for Plank Reach Through?

No. Plank Reach Through 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 plank reach through into a 30, 60 or 90 day plan built around your equipment, then adjusts it as you train.

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