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Leg Press

Legs ['Quadriceps', 'Glutes', 'Hamstrings']

The leg press is a legs movement that works the ['quadriceps', 'glutes', 'hamstrings']. Two things decide whether it produces results: the load relative to your one-rep maximum, and the number of hard sets per week. For strength, three to five sets of one to five repetitions at 85 per cent or more of your one-rep max is the classic prescription; for muscle size, three to four sets of six to twelve repetitions at 65 to 80 per cent, taken close to failure; for endurance, two to three sets of fifteen or more at under 65 per cent. Ten to twenty hard sets per muscle group per week is the range most training research converges on, and progression comes from adding a little weight or a repetition rather than from changing the exercise. The calculator below estimates your one-rep max from a set you have actually completed, which is the number every percentage above refers to.

Leg Press 1RM Calculator

Estimate your one-rep max

Enter the weight you lifted (kg or lbs)

Leg Press Strength Standards (kg)

Body Weight Beginner Novice Intermediate Advanced Elite
120 kg 140 210 290 395 500
130 kg 145 220 300 410 520
140 kg 150 225 310 425 535
150 kg 155 235 320 440 555
160 kg 160 240 330 455 575
170 kg 165 250 345 465 590
180 kg 170 255 355 480 610
190 kg 175 265 365 495 625
200 kg 180 270 375 510 645
210 kg 185 280 385 525 660
220 kg 190 285 395 535 680

How to Perform the Leg Press

Sit in the leg press machine with your back flat against the pad. Place your feet on the platform shoulder-width apart with toes slightly pointed out. Release the safety handles and lower the platform by bending your knees toward your chest, descending until your knees reach approximately 90 degrees. Press the platform away by extending your knees and hips without locking your knees completely at the top. Re-engage the safeties when your set is complete.

Muscle Activation

The leg press primarily targets the quadriceps through knee extension. Foot placement significantly affects muscle emphasis: a higher placement increases glute and hamstring involvement, while a lower placement isolates the quadriceps more. A wider stance targets the adductors and inner quads, while a narrow stance emphasizes the outer quads. The lack of spinal loading makes this an effective option for building leg strength while managing back stress.

Common Mistakes

  • Lowering the weight too far and allowing the lower back to round off the pad, which can cause disc injuries.
  • Locking the knees at the top of each rep, which transfers load from the muscles to the joints.
  • Placing the feet too low on the platform, which increases shear force on the knees.
  • Using an excessively heavy weight with a limited range of motion rather than moderate weight with full depth.

Variations

Single-leg press addresses strength imbalances. Narrow-stance leg press emphasizes the outer quads. Wide-stance targets the adductors and glutes. The hack squat machine provides a similar movement pattern with a more upright torso position. Some gyms also have horizontal and vertical leg press machines, each offering different resistance profiles.

Programming Tips

Use the leg press for 3-4 sets of 8-15 reps as a secondary exercise after squats, or as a primary lower body exercise if squatting is contraindicated. The leg press can handle higher volumes and heavier relative loads than squats due to the reduced stability demands and spinal loading.

Frequently Asked Questions

The leg press can build significant quad and leg strength but does not replace the squat for total body development, core stability, or functional strength. It is best used as a complement to squats. In practice, the leg press loads the quadriceps, glutes, hamstrings and needs machine; an intermediate lifter of average bodyweight handles about 345 lbs, so judge your own numbers against that rather than against a gym record.
Shoulder-width with toes slightly out is a good default. Higher placement emphasizes glutes, lower placement emphasizes quads, wider targets adductors, and narrower targets outer quads. In practice, the leg press loads the quadriceps, glutes, hamstrings and needs machine; an intermediate lifter of average bodyweight handles about 345 lbs, so judge your own numbers against that rather than against a gym record.
Lower until your knees are at about 90 degrees or until your lower back starts to round off the pad. Going too deep can cause lower back rounding and potential injury. In practice, the leg press loads the quadriceps, glutes, hamstrings and needs machine; an intermediate lifter of average bodyweight handles about 345 lbs, so judge your own numbers against that rather than against a gym record.
The machine eliminates the need for balance and removes spinal loading, allowing your legs to push much more weight. It is normal to leg press 2-3 times your squat. In practice, the leg press loads the quadriceps, glutes, hamstrings and needs machine; an intermediate lifter of average bodyweight handles about 345 lbs, so judge your own numbers against that rather than against a gym record.

Related Exercises

Squat

['Quadriceps', 'Glutes', 'Hamstrings', 'Core', 'Lower Back']

Front Squat

['Quadriceps', 'Glutes', 'Core', 'Upper Back']

Romanian Deadlift

['Hamstrings', 'Glutes', 'Lower Back']

Leg Curl

['Hamstrings', 'Calves']

Calf Raise

['Gastrocnemius', 'Soleus']

Progressing on the leg press

Progression on a machine movement for the legs follows the same logic whatever the exercise: add a little load or one repetition once the last set stops being hard, and change nothing else. A machine or cable stack usually moves in fixed increments, and the pin position is only part of the load: seat height and handle position change the leverage enough that the same pin can be easier or harder. Note the settings alongside the weight.

Stalling is normal and usually means one of three things: total weekly volume for the legs has drifted too low, recovery is short because sleep or calories are, or the load has been pushed while form quietly deteriorated. Filming a set from the side settles the third question faster than any cue. Ten to twenty hard sets per muscle group per week is the range most training research converges on, and a stall at the bottom of that range is a volume problem rather than a programme problem.

Common mistakes on legs work

The commonest error on leg movements is cutting depth as the load rises, which trades range of motion for a number on the bar. Squatting to a consistent depth, ideally with the hip crease below the top of the knee, makes the numbers comparable week to week. The second is letting the knees travel inward under load, which is usually weak hip abductors rather than a technique fault.

Where the leg press fits in a week depends on how demanding it is rather than on the muscle it trains. A movement using a machine across the legs is best placed while you are fresh if it is heavy and technical, and late in the session if it is a single joint. Two sessions a week touching the same muscle group beat one for most people, because protein synthesis after a session returns to baseline within about forty-eight hours, and a muscle trained once a week spends five of those days doing nothing.

Across all of them, the same two rules apply. Warm up with the movement itself at progressively heavier loads rather than with general cardio, and leave one repetition in reserve on all but the last set: training to failure on every set raises fatigue considerably without adding much to the result.