ExercisesBarbell back squat

Barbell back squat

Bar on your upper back, feet shoulder-width. Sit down between your knees keeping your chest up, then drive out of the hole through your whole foot.

StrengthBarbellDifficulty 3 of 3
Two-panel demonstration of the barbell back squat, showing the start and finish positions
Start and finish positions

How to do it

Bar on your upper back, feet shoulder-width. Sit down between your knees keeping your chest up, then drive out of the hole through your whole foot.

Muscles worked

Front
Back
  • quadsprimary
  • glutes
  • adductors
  • hamstrings
  • core

Hover a muscle to find it on the figure. Dark green is the primary mover, lighter green is supporting work.

No barbell? Swap it out

Other options in this pattern

How many sets should you do?

That depends on your goal, your ability, and how many days you train. Answer three questions and the builder works out your sets and reps, plus a full week around them.

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JM
Johnny Milaychev · Product manager and self-directed lifter, not a trainer or a clinician. Why that matters and where this guidance stops.
Reviewed 16 August 2026 · Exercise library v2.2