Exercises

Machine leg extension

Straighten both knees against a padded roller to focus on your quads.

Seated leg extension with supported thighs and a padded roller across the front of the lower shins, just above the ankles.

Machine · Leg extension

Source: PureGym · Leg Extensions

Step by step

  1. Adjust the seat so your knees align with the pivot and your back stays supported.
  2. Place the roller just above your ankles on the front of your shins. Grip the handles.
  3. Lift smoothly by straightening both knees. Keep thighs and pelvis on the seat.
  4. Pause briefly, then lower slowly. Avoid swinging or forcing the knees backward.

Common mistakes

  • Kicking the roller up with momentum.
  • Lifting the hips or leaning away from the backrest.

Anatomy and technique: the references below. Region boundaries and movement diagrams are schematic. Exercise images are AI-generated illustrations.