Smith Machine Leg Press
The Smith Machine Leg Press is a intermediate compound movement that activates 4 muscle groups simultaneously. It primarily targets the Quadriceps, making it one of the more efficient exercises in RepStack's 873-exercise database.
Starting position
Ending position
Muscles Worked
The quadriceps handles the primary load during this movement. The calves and glutes and hamstrings assist as stabilizers throughout the range of motion.
How to Smith Machine Leg Press
- 1
Position a Smith machine bar a couple feet off of the ground. Ensure that it is resting on the safeties. After loading the bar to an appropriate weight, lie underneath the bar. Place the middle of your feet on the bar, tucking your knees to your chest. This will be your starting position.
- 2
Begin the movement by driving through your feet to move the bar upward, extending the hips and knees. Do not lock out your knees.
- 3
At the top of the motion, pause briefly before returning to the starting position.
Common Mistakes
- • Brace your core before initiating the movement — maintain tension throughout the entire range of motion.
- • Control the eccentric (lowering) phase for at least 2 seconds to maximize muscle fiber recruitment.
- • Adjust the seat height and pad positions before your working sets — proper alignment prevents joint stress.
- • Avoid locking out aggressively at the top — stop just short of full extension to keep tension on the muscle.
Similar Exercises
Frequently Asked Questions
What muscles does the Smith Machine Leg Press work?
The Smith Machine Leg Press primarily works the Quadriceps. Secondary muscles include the Calves, Glutes, Hamstrings, which assist during the movement.
Is the Smith Machine Leg Press good for beginners?
The Smith Machine Leg Press is rated intermediate. Beginners should build foundational strength with simpler movements first, then progress to this exercise once comfortable with the movement pattern.
What equipment do I need for the Smith Machine Leg Press?
You need machine to perform the Smith Machine Leg Press. Most commercial gyms will have this available.
Track Your Progress
RepStack logs every set, calculates your e1RM, and coaches progressive overload — automatically.