Single Leg Leg Extension is a beginner isolation push using machine. It loads Quadriceps.

Muscles worked
- Primary: Quadriceps
- Secondary: —
Setup
- Set machine so the target joint can move and nothing else has to.
How to do it
- Take Quadriceps through a full range. Pause where it is hardest.
- Return under control.
Coaching cues
- Own the stretch and the squeeze.
Common mistakes
- Turning it into a compound swing. Cut the load; slow the eccentric.
Related lifts
- Assault Bike Quadriceps
- Barbell Back Squat Quadriceps
- Barbell Box Squat Quadriceps
- Barbell Bulgarian Split Squat Quadriceps
- Barbell Front Squat Quadriceps
- Barbell Reverse Lunge Quadriceps
MyCoach programs the Single Leg Leg Extension into your plan, tracks every set, and answers “am I doing this right?” with your real numbers.
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