How to Do Assisted Close Grip Underhand Chin Up

Assisted Close Grip Underhand Chin Up is a back exercise using bodyweight, listed as intermediate in the A90 Training Club catalogue.

Primary muscle

Back

Equipment

Bodyweight

Difficulty

Intermediate

01 / Move with control

How to perform

How to do Assisted Close Grip Underhand Chin Up

  1. 01Set the assistance weight on the machine and kneel or stand on the platform using a shoulder-width underhand grip.
  2. 02Start from a full hang with elbows extended and shoulder blades slightly retracted.
  3. 03Pull the body upward by driving the elbows down toward the floor until the chin clears the bar.
  4. 04Keep the chest flared and avoid rounding the shoulders forward at the top.
  5. 05Lower the body with control back to the starting dead-hang position.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Assisted Close Grip Underhand Chin Up

Primary Stabiliser Inactive

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Primary movers

  • Upper back Pulls the shoulder blades together and back.
  • Lats Pulls the arms down and toward the body.

Stabilisers

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

03 / A90 Coach

A90 Coach tip

Focus on pulling the elbows down toward the ribcage rather than just pulling the chin over the bar.

Same coaching engine used inside the A90 app

05 / FAQ

Assisted Close Grip Underhand Chin Up questions

What muscles does Assisted Close Grip Underhand Chin Up work?

Assisted Close Grip Underhand Chin Up is catalogued as a back exercise in A90 Training Club, with the back as its primary muscle group.

How do you do Assisted Close Grip Underhand Chin Up correctly?

Set the assistance weight on the machine and kneel or stand on the platform using a shoulder-width underhand grip. Start from a full hang with elbows extended and shoulder blades slightly retracted. Pull the body upward by driving the elbows down toward the floor until the chin clears the bar. Keep the chest flared and avoid rounding the shoulders forward at the top. Lower the body with control back to the starting dead-hang position.

What is the A90 coach tip for Assisted Close Grip Underhand Chin Up?

Focus on pulling the elbows down toward the ribcage rather than just pulling the chin over the bar.

Is Assisted Close Grip Underhand Chin Up suitable for beginners?

Assisted Close Grip Underhand Chin Up is rated intermediate in the A90 Training Club catalogue.

Do you need equipment for Assisted Close Grip Underhand Chin Up?

No. Assisted Close Grip Underhand Chin Up 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 assisted close grip underhand chin up into a 30, 60 or 90 day plan built around your equipment, then adjusts it as you train.

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