# Leg Extension

URL: https://heatsy.app/ex/leg-extension

Also known as: Machine Leg Extension, Quad Extension, Leg Extensions, Seated Leg Extension, Quadriceps Extension, Knee Extension

Body region: Legs

## Muscles

- Main: Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius
- Holds: Levator Scapulae, Deltoid, Pectoralis Major, Serratus Anterior, Trapezius, Biceps

## Equipment

- Lever Machine

## Technique

1. Adjust the seat so your knees line up with the machine pivot and the pad rests on your lower shins.
2. Hold the handles and sit back against the pad.
3. Extend your knees until your legs are straight.
4. Lower slowly without letting the stack rest.

### Cues

- Squeeze the quads at the top.
- Keep the hips down on the seat.

### Common mistakes

- Swinging the weight up with momentum.
- Lifting the hips off the seat.
- Dropping the weight quickly.