Reviewed exercise · new

Leg Extension

A accessory isolation movement for quadriceps.

Equipment

machines

Typical range

8–25 reps

Also trains

No secondary emphasis listed

Set up

Align the knee with the machine pivot and set the shin pad securely.

Execute

Extend the knees without lifting the hips from the seat.

Lower until the weight remains controlled and the knees feel comfortable.

Coaching cues

• Keep hips down.
• Squeeze the quadriceps at the top.

Common mistakes

• Setting the pivot far from the knee joint.
• Kicking the weight with momentum.

Modify or stop when relevant discomfort is reported. Educational content does not diagnose injury.