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Leg Extension: starting position Leg Extension: end position

Knee Extension · Quads

Leg Extension

A knee extension exercise that works the quads. Beginner level, using machine.

BeginnerMachineGym

Muscles worked

PrimaryQuads

Quads, especially the rectus femoris.

Setup and loading

Machine pivot lined up with your knee.

How to do the leg extension step by step

  1. Sit with the roller on your ankles.
  2. Straighten your legs fully.
  3. Lower slowly.

Form cues

  • Squeeze at the top
  • Back against the pad

Common mistakes

  • Jerking the weight
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Sets and reps for your goal

Hypertrophy

3 x 10-15 · rest 60 s

3-4 sets of 6-12 reps (up to 15-20 on isolation exercises) at 65-80% of your max. Rest 1 to 2 minutes.

Get close to failure (0-3 reps in reserve) and control the lowering for 2-3 seconds. Accumulate 10-20 sets per muscle per week.

A guide for healthy adults. Adjust the load to your level and see a professional if you have an injury.

Check your form

Film yourself from the side or ask someone to watch, then tick what you get right.

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Sports it suits

Variations and similar exercises

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