quadsmachine

lever leg extension

lever leg extension is a common strength training exercise. Below are form tips, steps, and demos.

Steps

Step 1. Adjust the seat height and backrest of the machine to fit your body.

Step 2. Sit on the machine with your back against the backrest and your feet on the footpad.

Step 3. Grasp the handles or sidebars for stability.

Step 4. Extend your legs forward by straightening your knees, lifting the weight.

Step 5. Pause for a moment at the top, then slowly lower the weight back to the starting position.

Muscles & body parts

Primary muscles

quads

Secondary muscles

hamstrings

Primary body parts

thighs

Common mistakes & warnings

Form & control

Avoid momentum and excessive swing; keep core stable; match breath to movement; control the eccentric phase.

Control breathing and core; keep a steady tempo.

Log workouts & get AI plans in the app

Record sets, weight, and reps precisely; get AI-generated weekly or single-session plans for muscle, fat loss, or strength. Quick templates or custom. Download Delibra to get started.