How to Do Seated Leg Extension Single Leg

Seated Leg Extension Single Leg is a quads exercise using bodyweight, listed as intermediate in the A90 Training Club catalogue.

Primary muscle

Quads

Equipment

Bodyweight

Difficulty

Intermediate

01 / Move with control

How to perform

How to do Seated Leg Extension Single Leg

  1. 01Sit in the machine and adjust the leg pad so it rests just above the ankle of the working leg.
  2. 02Grip the side handles to pin the hips into the seat and prevent the glutes from lifting.
  3. 03Extend the knee of the working leg until the leg is completely straight and the quad is hard.
  4. 04Inhale as the foot returns toward the starting position, maintaining tension on the cable stack.
  5. 05Complete all repetitions on one leg before switching to the opposite side.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Seated Leg Extension Single Leg

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 toes pointed toward the ceiling to maintain tension in the vastus medialis throughout the entire range of motion.

Same coaching engine used inside the A90 app

05 / FAQ

Seated Leg Extension Single Leg questions

What muscles does Seated Leg Extension Single Leg work?

Seated Leg Extension Single Leg is catalogued as a quads exercise in A90 Training Club, with the quads as its primary muscle group.

How do you do Seated Leg Extension Single Leg correctly?

Sit in the machine and adjust the leg pad so it rests just above the ankle of the working leg. Grip the side handles to pin the hips into the seat and prevent the glutes from lifting. Extend the knee of the working leg until the leg is completely straight and the quad is hard. Inhale as the foot returns toward the starting position, maintaining tension on the cable stack. Complete all repetitions on one leg before switching to the opposite side.

What is the A90 coach tip for Seated Leg Extension Single Leg?

Keep the toes pointed toward the ceiling to maintain tension in the vastus medialis throughout the entire range of motion.

Is Seated Leg Extension Single Leg suitable for beginners?

Seated Leg Extension Single Leg is rated intermediate in the A90 Training Club catalogue.

Do you need equipment for Seated Leg Extension Single Leg?

No. Seated Leg Extension Single Leg is listed as a bodyweight movement in the A90 catalogue, so you can train it with no kit.

A90 Intelligence

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