Leg Extension

An isolation machine exercise for the quadriceps.

  • Legs
  • Machine
  • Isolation

All exercises

Log it in Platesmith. The app shows last time's numbers on every set of Leg Extension, times your rest and tells you when to add weight. Free, with no ads.

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Muscles worked

MainQuadriceps

Setup

Set the back pad so the knees line up with the machine axis of rotation.

How to do it well

  • Align the knees with the machine pivot
  • Extend to full lockout
  • Lower under control

Common mistakes

  • Using momentum to swing the weight
  • Cutting the range short

Free programs with Leg Extension

Similar exercises

General guidance, not medical advice. Start lighter than you think, and check with a doctor first if you have a health condition or injury.