1
Sit on the leg extension machine with your back and upper body firmly against the backrest, feet positioned under the footpad with knees bent at approximately 90 degrees, hands gripping the side handles for stability
2
Adjust the machine so the pivot point aligns with your knee joint, position the footpad across the top of your feet just above the ankle, ensure your torso remains in contact with the backrest throughout the movement
3
Slowly lower the footpad by allowing your knees to bend in a controlled manner, resisting gravity throughout the eccentric phase without allowing momentum to take over, maintain upright posture
4
Extend your legs by straightening your knees and pushing the footpad forward and upward until your legs are nearly fully extended but not locked at the top, pause briefly at full extension to maximize quadriceps contraction, then return to starting position