The smith machine squat runs the bar on a fixed vertical or near-vertical rail, so you balance nothing and can set your feet further forward than a free squat would allow. That forward foot position is the useful part — it lets you load the quads in a way a barbell cannot — and the racking hooks mean you can bail out of a failed rep with a flick of the wrist.
How to do it
- Feet slightly forward of the bar, since the path is fixed and you cannot shift under it.
- Know where the hooks are before the set, not during the last rep.
Common mistakes
- Standing directly under the bar as you would with free weight, which jams the knees forward.
What it trains
- Quads
- extend the knees, and take a much bigger share with the feet set forward of the bar
- Glutes
- extend the hips, more so the further forward your feet and the deeper you sit
- Hamstrings
- assist at the hip and stabilise the knee
- Abs
- brace the torso, though much less than under a free bar
Variations and alternatives
Common questions
Is the smith machine squat as good as a barbell squat?
For quad size, close enough that it is not worth arguing about. For everything else a squat trains — bracing, balance, carryover to a free bar — no, because the rail does that work for you. It is a good accessory and a poor replacement.
Where should my feet be on a smith machine squat?
Forward of the bar, usually six to twelve inches, so your back stays against the fixed path instead of fighting it. Feet directly under the bar is the mistake — the rail will not let your hips travel back, so you end up pinned on your toes.
Does the bar weight count on a smith machine?
Not reliably. Smith bars run anywhere from 7 to 25 kg depending on the counterweight, and some are near zero — weigh it with a luggage scale once if you care. Either way, log it the same way every session so the progression you see is real and not an artefact of how you counted.
In StackUp. Logged as weight and reps per set, and your heaviest working set decides whether the weight goes up next time. Get the app.
Legs