Single-Leg Leg Press
Primary
Quadriceps
Secondary
Glutes, Hamstrings
Equipment
Machine
Difficulty
Intermediate
Type
Squat
Single-Leg Leg Press
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The single-leg leg press isolates one leg at a time on the leg press machine, exposing and correcting strength differences between your left and right sides. Without the strong leg compensating, each quad must generate force independently. This unilateral work builds balanced leg development that bilateral pressing cannot achieve.
When to use it
Use to address strength imbalances.
Who it's for
Intermediate lifters wanting unilateral work.
Use roughly 40-50% of your bilateral pressing weight per leg—not half, since your stronger leg was doing more than its share. Keep your hips square to the machine; rotating reveals compensatory movement patterns.
Single-Leg Leg Press — targeted muscles
Browse all quadriceps exercises
Also targets: Glutes, Hamstrings
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How do you perform the Single-Leg Leg Press?
- 1
Sit in the leg press machine.
- 2
Place one foot on the platform, the other resting off.
- 3
Position your foot in the center of the platform.
- 4
Unrack and lower the weight by bending your knee.
- 5
Press through your foot to extend your leg.
- 6
Complete all reps before switching legs.
What are the best tips for the Single-Leg Leg Press?
Use lighter weight than bilateral pressing.
Keep your hips square to the machine.
Control the descent.
Don't lock your knee at the top.
When to Use the Single-Leg Leg Press
Program single-leg leg press when addressing strength imbalances between legs, after injury rehabilitation, or when you want unilateral work with machine stability. Use them as an accessory after bilateral leg press, or as a primary movement during unilateral training phases.
Common Single-Leg Leg Press mistakes
Using too much weight.
Loading more weight than you can control on the Single-Leg Leg Press forces compensatory movement patterns that bypass your Quadriceps. Drop the weight until you can perform every rep with clean form — your results will actually improve.
Hips rotating during the press.
Losing hip position during the Single-Leg Leg Press shifts the loading pattern away from your Quadriceps and can compress your lower back. Stay planted and let your Quadriceps do the work.
Not going through full range.
Cutting the range of motion short on the Single-Leg Leg Press means your Quadriceps never reaches full stretch or full contraction. Research shows full range of motion produces significantly more muscle growth than partial reps at the same load.
Letting the weight drop.
Loading more weight than you can control on the Single-Leg Leg Press forces compensatory movement patterns that bypass your Quadriceps. Drop the weight until you can perform every rep with clean form — your results will actually improve.
Single-Leg Leg Press — who it's best for
Intermediate lifters wanting unilateral work.
How to Program the Single-Leg Leg Press
Lower reps with heavier weight builds raw strength. Your muscles and nervous system adapt to handle more load over time. This range is best for strength-focused goals.
This rep range keeps your muscles under tension long enough to trigger growth. Most people see the best muscle-building results in this zone. It balances strength and muscle size.
Higher reps with lighter weight builds muscular endurance and improves conditioning. This range is good for joint health and building work capacity.
General guideline: 3 sets of 10-12 reps per leg. Rest 60-90s.
What are good alternatives to the Single-Leg Leg Press?
Other Variations
- Narrow Stance Single-Leg Press
- High Foot Single-Leg Press
Frequently Asked Questions About the Single-Leg Leg Press
The Single-Leg Leg Press primarily targets the Quadriceps, making it an effective exercise for quadriceps development. Secondary muscles worked during the Single-Leg Leg Press include Glutes, Hamstrings, providing additional training stimulus. Stabilizer muscles engaged include Core, Hip stabilizers.
The Single-Leg Leg Press is rated as intermediate difficulty, meaning it requires some training experience. Intermediate lifters wanting unilateral work. Focus on proper technique and consider starting with easier variations.
For the Single-Leg Leg Press, the recommended approach depends on your goals. 3 sets of 10-12 reps per leg. Rest 60-90s. For strength, use 6-8 reps per leg. For muscle growth, perform 10-12 reps per leg. For endurance, complete 12-15 reps per leg.
The Single-Leg Leg Press typically requires a machine, which most home gyms don't have. For a home-friendly alternative targeting the same muscles, check the variations section above.
Good alternatives to the Single-Leg Leg Press include: Split Squat, Bulgarian Split Squat. These exercises target similar muscle groups as the Single-Leg Leg Press and can be used as substitutes based on your equipment availability, gym setup, or training preferences.
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Safety Notes
- Use significantly less weight than bilateral.
- Keep movements controlled.