Legs · Smith machine

Smith Machine Full Squat

The Smith machine full squat is a compound lower-body exercise that targets the quadriceps and glutes through a deep, guided range of motion. The fixed vertical track reduces balancing demands, making it a reliable primary or secondary strength movement on leg day.

Muscles: Legs, Glutes
Equipment: Smith machine
Type: Strength
Animation: Men

How to do it

Stand in the Smith machine with the bar resting on your shoulders, just below the neck.
Place your feet shoulder-width apart, with toes pointing slightly outward.
Unrack the bar by rotating it and lifting it off the safety catches.
Inhale and brace your core. As you exhale, lower your body by bending your knees and pushing your hips back as if you're sitting in a chair.
Keep your back straight and chest up throughout the movement.
Lower yourself until your thighs are parallel to the floor or go deeper if your flexibility allows.
Ensure your knees do not extend beyond your toes and keep your weight centered over your feet.
Drive through your heels to return to the starting position, extending your legs and hips.

Common mistakes

Placing the feet directly under the bar forces the knees excessively forward and places high shear stress on the patellar tendons.
Rounding the lower back at the bottom of the descent shifts the mechanical load directly onto the lumbar spine.
Bouncing out of the hole relies on passive joint rebound rather than muscular control, increasing the risk of knee injury.

Tips

Position your feet slightly ahead of the bar so your hips can travel down and back without excessive forward knee travel.
Always set the mechanical safety stoppers just below your target depth before loading working weight.
Drive through your midfoot and heels on the way up, avoiding a harsh, hyperextended lockout at the knees.

Sets and reps

For hypertrophy and strength, perform 3 to 4 working sets of 6 to 10 reps with 2 to 3 minutes of rest between sets.

Muscles worked

Your coach guides every set

Turn on the coach in Gloox: it asks how you feel, picks the weight from your history and cues technique and rest. Rate each set and the next one is tuned to you.

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On a computer? Point your phone's camera here to get the app.

Questions

Is the Smith machine squat as effective for muscle growth as a barbell squat?

It produces comparable quadriceps and glute hypertrophy while allowing you to train close to failure with less demand on stabilizing muscles.

What should you do if you feel knee pain during the movement?

Reduce your depth to parallel or move your feet slightly forward; if the discomfort persists, stop the exercise and consult a medical professional.

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