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Exercise guide

Single Leg Extension

A quadriceps isolation exercise performed on a leg extension machine, working one leg at a time.

What this exercise works

Muscles
quadriceps
Goals
hypertrophy
Equipment
Leg extension machine
Category
Strength
Difficulty
intermediate

Demonstration

Single Leg Extension Step 1

Step 1

Single Leg Extension Step 2

Step 2

How to perform the movement

  1. Sit on a leg extension machine and place one foot under the pad.
  2. Rest the other foot on the floor or let it hang.
  3. Extend the working leg until it is nearly straight.
  4. Squeeze the quadriceps at the top.
  5. Lower the leg back down under control.
  6. Complete reps on one side, then switch.

Technique cues and common mistakes

  • Squeeze the quadriceps hard at the top of the movement.
  • Lower the weight under control rather than letting it drop.
  • Keep your back flat against the pad.

This is general movement information. It is not medical advice or an individual prescription.

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