Leg Press vs. Lunges: Which is Better For Athletic Performance?

The leg press makes heavy, supported leg loading straightforward; lunges add single-leg strength and balance demands. Neither exercise has been shown to outperform the other for overall athletic performance.

A 2026 review in male basketball players found advantages for unilateral training in single-leg jump height and one cutting test, but it did not compare leg presses with lunges directly.^[1]

This comparison uses peer-reviewed sports science research on unilateral and bilateral leg training, plus WorkoutHealthy's practical review of the equipment involved.

Leg Press vs. Lunges: The Quick Verdict

Choose the leg press when you want supported, progressive loading without balance limiting the set. Choose lunges when you want to practice producing force and controlling position one leg at a time.

• Best for heavy supported loading: Leg press. Its guided track and seat support allow substantial external load without balance limiting the set.
• Best for single-leg control: Lunges. Their balance and coordination demands may suit athletes who also train one-leg movements, but direct sport-performance superiority over the leg press has not been established.
• Best budget option: Lunges. They need no equipment at all, and dumbbells are optional.
• Best for beginners: Leg press. The seat and guided platform reduce the balance and coordination demands that lunges require.
• Best combined approach: Use both if they fit your program: the leg press for supported loading and lunges for single-leg strength and control.

Leg Press vs. Lunges: Key Differences at a Glance

How the Leg Press and Lunges Load Your Legs Differently

The leg press is a bilateral, closed-chain, machine-guided movement. Both legs press together against a fixed platform, and the seat and backrest support your torso through the whole set.

Lunges are a unilateral, free-standing movement. The lead leg bears much of the load while both legs contribute to movement, and the trunk and hip muscles help control your position.

Both exercises train overlapping lower-body muscles, but they demand different kinds of control. The leg press supports the torso and guides the path; lunges require you to stabilize a changing stance.

Leg press: Adjust the seat so your back and pelvis remain supported. Keep the whole foot planted, lower only as far as you can control, and finish each repetition without bouncing or forcing the top position.

Lunges: Step forward, backward, or to the side while keeping the whole lead foot planted. Let the front knee follow the direction of the toes, lower only as far as balance and control allow, and return without twisting the knee or pelvis.

Which Exercise Lets You Use More External Load?

A leg press usually lets you use more external weight because the guided platform and supported torso remove much of the balance demand. More weight on the machine does not, by itself, prove faster strength gains than lunges.

Lunges remain useful because each side must produce force while the hips, ankles, and trunk manage the position. Compare progress within each exercise rather than treating their weight totals as interchangeable.

What Does the Athletic-Performance Research Actually Show?

There is no direct trial here showing that lunges beat leg presses for athletic performance. The available review compares broader unilateral and bilateral training programs, not these two exercises head to head.

A 2026 meta-analysis pooled nine randomized trials involving 163 male basketball players. Unilateral programs improved single-leg countermovement jump height and V-cut time more than bilateral programs, while evidence did not show a clear difference for bilateral jumping or 5- and 20-meter sprinting.^[1]

The programs used varied exercises, including split squats, lunges, step-ups, squats, and plyometrics; leg press versus lunges was not tested. The findings may inform exercise selection, but they cannot establish that a lunge outperforms a leg press for a given athlete or sport.

What the Bilateral Deficit Does and Does Not Show

The bilateral limb deficit describes a situation in which two limbs working together produce less force than the sum of each limb working separately.

A small 2021 preliminary study tested 14 adults during maximal isometric leg press contractions, not lunges or sport tasks. The average bilateral-to-unilateral force ratio was 94.8 percent, but the group average was not statistically different from 100 percent.^[2]

Ten participants showed a deficit, with an average ratio of 81.4 percent. Four participants showed bilateral facilitation instead, which demonstrates that the response can vary substantially between people.

The researchers found no clear explanation in the measured muscle or brain activity and advised caution because of the limited sample. This study illustrates individual variability, but it does not prove that lunges build more strength or athleticism than leg presses.

Who Should Choose the Leg Press, and Who Should Choose Lunges?

Choose the leg press if:

• You want to train the legs with substantial external load while keeping balance demands low.
• You're new to lower-body training and want a low-skill, seat-supported movement.
• You're equipping a facility and want a station that supports heavy progressive loading without balance limiting the user.

Choose lunges if:

• You want to practice single-leg force production and balance alongside other sport-specific training.
• You want to train each side separately and monitor differences in control or strength.
• You're training at home or on the road with little or no equipment.

Leg Press: Pros and Cons

• Pro: Loads the quads heavily without balance limiting the weight.
• Pro: The supported setup reduces balance demands and makes the movement easier to learn.
• Con: Provides little practice with free-standing balance or single-leg control.
• Con: Requires dedicated floor space, equipment access, and setup that matches the user.

Lunges: Pros and Cons

• Pro: Needs no equipment, so it works anywhere from a gym floor to a hotel room.
• Pro: Trains single-leg strength, balance, and coordination in a free-standing movement.
• Con: Harder to progressively overload as heavily as a machine allows.
• Con: Requires more balance and technique attention, and an unsuitable step length can reduce control.

Setup and Safety Considerations

• Leg press setup: Adjust the seat so the back and pelvis stay supported, keep the whole foot planted, and stop the descent before support or control changes.
• Lunge setup: Keep the lead foot planted, let the knee follow the direction of the toes, and use a step length that allows a controlled descent.
• Progressive loading: Increase leg press or lunge load only after you can repeat the planned range with stable contact and consistent control.
• Facility note: A leg press needs dedicated floor space and assembly according to its instructions. Lunges need a clear path and enough room to complete the chosen variation.

Watch a reverse lunge demonstration

The Doctors of Physical Therapy demonstration below shows balance, posture, step length, and a controlled return during a reverse lunge.

Alternatives to Consider Before You Buy

• Free-weight squat. A bilateral alternative that adds free-standing balance and trunk demands without the single-leg focus of a lunge.
• Hack squat. Another machine-guided compound option with a different body position and loading feel.
• Step-ups. A single-leg option with adjustable step height that may be easier to standardize than a moving lunge.

Frequently Asked Questions

Can lunges replace the leg press for building leg strength?

Yes, if lunges fit your strength goal and you can progress them safely. The leg press offers a supported way to use more external load, while lunges add balance demands; neither is required for every program.

Are lunges bad for your knees?

Lunges are not inherently harmful to the knees, but comfort and tolerance vary. Keep the lead foot planted, let the knee follow the direction of the toes, and stop if the movement causes pain or instability.

How many lunges equal one leg press set?

There's no reliable conversion, since the exercises load the muscle differently: leg press applies continuous bilateral load, while lunges apply intermittent unilateral load per leg. Program them by goal instead of trying to match volume between them.

Should athletes do both leg press and lunges in the same program?

They can, if both fit the athlete's goals and recovery. Use the leg press for supported loading and lunges for single-leg strength and control; the research does not establish a required order or guarantee sport transfer.

Which is safer for beginners, leg press or lunges?

The leg press is often easier to learn because the seat and guided track reduce the coordination demand. Beginners can also learn lunges by starting with bodyweight and a stable support when needed.

How often should I train leg press and lunges each week?

There is no single frequency that suits everyone. Start with a schedule you can recover from, then adjust each exercise's sets and frequency around your total lower-body training and sport demands.

Final Verdict: Match the Exercise to the Training Goal

Use the leg press when a stable setup and heavier supported loading help you train consistently.

Use lunges when you want a free-standing single-leg challenge. Evidence from male basketball players supports some unilateral-training benefits, but it does not prove that lunges outperform leg presses or predict an individual's sport results.

Both can belong in a program, but the choice and order depend on your goals, equipment, and recovery.

References and Data Sources

1. Zhang, Z., Shu, F., Guo, H., Zhang, J., & Gao, J. "Unilateral versus Bilateral Resistance Training for Explosive Jump Performance, Linear Sprint Speed, and Change of Direction Ability in Male Basketball Players: A Systematic Review and Meta-Analysis." Frontiers in Physiology, vol. 17, article 1798477, 2026. View the study. Accessed August 20, 2026.
2. Whitcomb, E., Ortiz, O., Toner, J., & Kuruganti, U. "The Bilateral Limb Deficit (BLD) Phenomenon during Leg Press: A Preliminary Investigation into Central and Peripheral Factors." BMC Sports Science, Medicine and Rehabilitation, vol. 13, article 89, 2021. View the study. Accessed August 20, 2026.