How many sets and reps of the single-leg press should a beginner do per leg?

Do 3 sets of 10 to 12 reps per leg, using noticeably less than half your two-leg press weight to start. Rest 45 to 60 seconds between legs. Progress by adding small amounts of weight once both legs can hit the same depth and rep count without the hips rounding off the pad or the idle leg helping out.

What can replace the single-leg press without a leg press machine?

A single-leg goblet squat or a rear-foot-elevated split squat trains the same unilateral quad and glute pattern while standing. A step-up onto a sturdy box is a good bodyweight-friendly alternative that also builds single-leg control.

Who is the single-leg press good for, and when should you pick something else?

It's a beginner-friendly way to train each leg independently and catch strength imbalances, with the seat and back support making it safer than most single-leg standing work. It's a poor choice when the goal is balance or carryover to sport, since the seat and back pad hide the balance demands a standing version would expose.

Beginner

Single-Leg Press

Pressing with a single leg forces each side to do its own work, which exposes and corrects strength imbalances that a two-leg press can hide. The supported machine setup lets you load the quad and glute of one leg heavily with minimal balance risk, making it a safe way to train unilaterally. Center your foot on the platform to keep the knee tracking cleanly under load.

Equipment: Machine
Body part: Glutes, Quads
Type: Strength
Browse by muscle: Rectus Femoris, Vastus Lateralis
Browse by movement: Squat

How to do it

1
Sit in the leg press with your back flat and place both feet on the platform, with the working foot in the center.
2
Press the sled up with both feet to release the safeties, then move the non-working foot to the floor or off to the side.
3
Brace the core and lower the platform by bending the working knee toward your chest.
4
Descend until the knee reaches roughly ninety degrees without the hips rounding off the pad.
5
Press through the whole foot to extend the leg, stopping just short of locking the knee.
6
Finish all reps on one leg, put the other foot back on the platform and re-engage the safeties, then switch sides.

Tips

Center the foot on the platform so the knee tracks straight rather than caving in or bowing out.
Use noticeably less than half your two-leg load to start, since one side must carry it all.
Keep the hips anchored to the pad; reduce depth before the lower back rounds under the seat.

Variations

Common mistakes

The idle leg pushes against the frame or the other platform corner to help, quietly turning a single-leg press back into an assisted two-leg one.
The knee locks out hard at the top of every rep instead of stopping just short, which transfers stress from the quad to the knee joint at the exact point it is least protected.
The working foot travels lower on the platform as the set gets hard, pushing the knee further forward, letting the heel lift and changing the quad-and-glute balance the setup started with.
Rushing the switch to the other leg without resetting the seat and foot position means the two sides are not actually tested under the same setup.

Frequently asked

How many sets and reps of the single-leg press should a beginner do per leg?: Do 3 sets of 10 to 12 reps per leg, using noticeably less than half your two-leg press weight to start. Rest 45 to 60 seconds between legs. Progress by adding small amounts of weight once both legs can hit the same depth and rep count without the hips rounding off the pad or the idle leg helping out.
What can replace the single-leg press without a leg press machine?: A single-leg goblet squat or a rear-foot-elevated split squat trains the same unilateral quad and glute pattern while standing. A step-up onto a sturdy box is a good bodyweight-friendly alternative that also builds single-leg control.
Who is the single-leg press good for, and when should you pick something else?: It's a beginner-friendly way to train each leg independently and catch strength imbalances, with the seat and back support making it safer than most single-leg standing work. It's a poor choice when the goal is balance or carryover to sport, since the seat and back pad hide the balance demands a standing version would expose.

Related exercises

Other movements among FitRay's 2,000+ exercises that load the same target muscle — same equipment and level first.

All Glutes exercises