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Barbell · Quads

How to Squat: The Complete Form Guide

The barbell back squat is the most valuable — and most argued-about — exercise in the gym. Here is a form checklist that works for most bodies, plus the mistakes that show up first.

· 2 min read

Squat demonstration

The squat builds more usable leg and core strength per rep than almost anything else you can do, but small setup errors compound fast under a loaded bar. Getting the bones and the bar in the right places matters more than chasing depth on day one.

How to do it

  1. 1Bar position — rest the bar across your upper traps (high-bar) or rear delts (low-bar); pick one and stay consistent.
  2. 2Foot width — stance roughly shoulder-width, toes turned out slightly, feet flat on the floor throughout.
  3. 3Brace before you move — take a breath into your belly and brace your core before unracking, and hold that brace through the rep.
  4. 4Sit back and down — push your hips back and bend your knees together, tracking over your toes, not caving in.
  5. 5Depth and drive — descend until your hip crease passes your knee if mobility allows, then drive through your whole foot to stand.

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Sets and reps

For strength, 3–5 sets of 4–6 reps with 2–3 minutes rest works well once form is solid. Beginners should spend several sessions with just the empty bar or a goblet squat before adding meaningful weight.

Common mistakes

  • Knees caving in. Knees drifting inward under load is a common sign the hips aren't doing enough work — cue 'knees out' and slow the descent.
  • Heels lifting. If your heels come up, your ankle mobility or bar path is off; try shoes with a flat, firm sole and check your shin angle.
  • Losing the brace mid-rep. Air escaping halfway down means your spine loses support exactly when it needs it most. Re-brace before every rep, not just the first.

Safety note

Use a spotter or safety pins in a rack when adding weight, and stop the session if you feel sharp pain in a joint rather than muscle fatigue.

Depth and load are secondary to a squat that starts, moves and finishes with a locked-in brace. Build that first.

Train it as part of a real plan

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