Leg Press

What is the Leg Press?

The leg press is a machine compound that loads the quads, glutes, and hamstrings by pressing a weighted platform away with your feet. Because the machine supports your back and removes the balance demand of a squat, it lets you train the legs hard with heavy loads and push closer to failure safely, a valuable complement to free-weight squatting.

Muscles worked

Primary: Quads

The quadriceps extend the knees to press the platform away, the main driver of the movement.

Secondary: Glutes, Hamstrings

The glutes and hamstrings extend the hips to assist, contributing more the deeper you bring the platform toward you.

How to perform the Leg Press

1. Sit in the machine with your back flat against the pad and your feet on the platform roughly shoulder-width apart, with the toes slightly turned out.
2. Release the safety stops and extend the legs to the start position, leaving a small bend in the knees rather than fully locking out.
3. Lower the platform by bending the knees and hips together; keep the lower back pressed against the pad throughout.
4. Descend until the knees are at roughly a 90-degree angle, or until just before the pelvis would tuck up off the pad. Never let the lower back round under load.
5. Press the platform back up through the mid-foot and heel, focusing the drive through the quads; do not let the knees collapse inward.
6. Stop short of full knee lockout each rep to keep tension on the quads and protect the knee joint at the top.

Suggested working range: 8–15 reps. Default progression: double progression.

Mechanics

A bilateral squat-pattern press performed on a fixed machine: the hips and knees flex as the platform comes down, then extend to press it away. It is a compound movement, but the guided path and the supported back mean the trunk does far less stabilising work than a barbell squat, so more of the effort lands on the legs.

Form cues

• •Set your feet so the knees track over the toes and you can reach a deep bend without the hips rounding off the pad.
• •Lower the platform under control to a depth your hips can hold without tucking under (no lower-back rounding).
• •Press through the whole foot, mid-foot and heel, rather than just the toes.
• •Stop just short of locking the knees out hard at the top to keep tension on the quads and protect the joint.

Common mistakes

• •Letting the lower back round and the pelvis tuck off the pad at the bottom of the rep ("butt wink").
• •Locking the knees out hard at the top, snapping the joint into hyperextension.
• •Placing the feet too low on the platform so the knees collapse forward and the heels lift on the descent.
• •Loading more plates than the form supports and bouncing the platform off the bottom.

Variations & alternatives

• •Barbell back squat: the free-weight movement the leg press supports and complements.
• •Hack squat: a machine squat with more of an upright, quad-dominant loading pattern.
• •Single-leg press: one leg at a time to correct side-to-side imbalances.
• •Foot-position tweaks: a higher stance biases glutes and hamstrings, a lower stance biases the quads.

Barbell Back Squat

Quads · Barbell

Bulgarian Split Squat

Quads · Dumbbell

Goblet Squat

Quads · Dumbbell

Leg Extension

Quads · Machine

Front Squat

Quads · Barbell

Programming: sets, reps & when to use it

The leg press works well as a secondary quad movement after squats, or as a primary leg builder on days you want to spare the spine. Its wide library range of 8–15 reps suits it: the supported position makes higher-rep, close-to-failure sets safe and productive. Two to four hard sets drive plenty of leg growth.

Frequently asked questions