How to Do Barbell Jefferson Squat

Barbell Jefferson Squat is a quads exercise using barbell, listed as intermediate in the A90 Training Club catalogue.

Primary muscle

Quads

Equipment

Barbell

Difficulty

Intermediate

01 / Move with control

How to perform

How to do Barbell Jefferson Squat

  1. 01Straddle the barbell so it runs longitudinally between the legs with one foot in front and the other behind.
  2. 02Squat down and grasp the bar with a mixed grip, one hand in front and one behind the body.
  3. 03Drive through the mid-foot to stand up, keeping the torso vertical and the bar centered between the legs.
  4. 04Lower the hips back down until the thighs are parallel to the floor, ensuring the knees track over the toes.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Barbell Jefferson Squat

Primary Stabiliser Inactive

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Primary movers

  • Quads Extends the knee, driving squats, lunges and jumps.

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

Keep the weight distributed evenly between both feet to prevent the torso from leaning toward the lead leg during the squat.

Same coaching engine used inside the A90 app

05 / FAQ

Barbell Jefferson Squat questions

What muscles does Barbell Jefferson Squat work?

Barbell Jefferson Squat is catalogued as a quads exercise in A90 Training Club, with the quads as its primary muscle group.

How do you do Barbell Jefferson Squat correctly?

Straddle the barbell so it runs longitudinally between the legs with one foot in front and the other behind. Squat down and grasp the bar with a mixed grip, one hand in front and one behind the body. Drive through the mid-foot to stand up, keeping the torso vertical and the bar centered between the legs. Lower the hips back down until the thighs are parallel to the floor, ensuring the knees track over the toes.

What is the A90 coach tip for Barbell Jefferson Squat?

Keep the weight distributed evenly between both feet to prevent the torso from leaning toward the lead leg during the squat.

Is Barbell Jefferson Squat suitable for beginners?

Barbell Jefferson Squat is rated intermediate in the A90 Training Club catalogue.

What equipment do you need for Barbell Jefferson Squat?

Barbell Jefferson Squat uses barbell.

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