How to Do 5 Sec Fist Against Chin

5 Sec Fist Against Chin 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 5 Sec Fist Against Chin

  1. 01Sit or stand with an upright posture and shoulders relaxed.
  2. 02Place one fist directly under your chin.
  3. 03Gently press your chin down into your fist while resisting with the hand.
  4. 04Maintain the tension for five seconds while breathing normally.
  5. 05Release the tension slowly and perform the prescribed repetitions.
  6. 06Ensure the movement comes from the neck muscles without tensing the jaw.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by 5 Sec Fist Against Chin

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

Maintain a neutral neck position and avoid jutting your chin forward during the hold.

Same coaching engine used inside the A90 app

05 / FAQ

5 Sec Fist Against Chin questions

What muscles does 5 Sec Fist Against Chin work?

5 Sec Fist Against Chin is catalogued as a core exercise in A90 Training Club, with the core as its primary muscle group.

How do you do 5 Sec Fist Against Chin correctly?

Sit or stand with an upright posture and shoulders relaxed. Place one fist directly under your chin. Gently press your chin down into your fist while resisting with the hand. Maintain the tension for five seconds while breathing normally. Release the tension slowly and perform the prescribed repetitions. Ensure the movement comes from the neck muscles without tensing the jaw.

What is the A90 coach tip for 5 Sec Fist Against Chin?

Maintain a neutral neck position and avoid jutting your chin forward during the hold.

Is 5 Sec Fist Against Chin suitable for beginners?

5 Sec Fist Against Chin is rated beginner in the A90 Training Club catalogue.

Do you need equipment for 5 Sec Fist Against Chin?

No. 5 Sec Fist Against Chin is listed as a bodyweight movement in the A90 catalogue, so you can train it with no kit.

A90 Intelligence

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