Barbell Squat
Also known as: low-bar squat, back squat, high-bar squat
- Secondary muscles
- Quads, Hamstrings, Calves
- Body part
- Upper Legs
- Position
- Standing
- Laterality
- Bilateral (both sides together)
- Category
- Strength
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The back squat lets you load this pattern heavier than any other variant in the family, and bar position picks the emphasis: high on the traps keeps the torso upright and quad-leaning, low across the rear delts tips you forward and shifts work toward hips and hamstrings. Build around it with sets of 3-8.
How to do the Barbell Squat
- Stand with your feet shoulder-width apart and the barbell resting on your upper back.
- Keeping your chest up and core engaged, slowly lower your body by bending your knees and pushing your hips back.
- Continue lowering until your thighs are parallel to the ground or slightly below.
- Pause for a moment, then push through your heels to return to the starting position.
- Repeat for the desired number of repetitions.
Tip: Screw the feet into the floor and spread it apart to keep the knees out and the arch of the foot from collapsing.
Muscles worked
Primary
Glutes · Legs
The glutes extend the hip on the way up and take more of the load the deeper you go and the wider your stance.
Secondary
- Quads — The quads extend the knee and drive you out of the bottom, and front squats and close stance variations put more on them.
- Hamstrings
- Calves
Common mistakes
- Knees caving inward — push the knees out over the toes on the way up, especially out of the bottom where they most want to collapse.
- Hips shooting up first — if the hips rise faster than the chest on the way up, you turn the squat into a good morning; drive the chest and hips up together.
- Cutting the depth — get the hip crease below the top of the knee on every rep unless mobility genuinely stops you, in which case work on it.
- Losing the brace — take a big breath into the belly before each rep and hold it through the sticking point, then exhale on the way up.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Strength | 4–5 × 3–6 | 2–3 min |
| Muscle growth | 3–4 × 6–12 | 90–120 s |
| Endurance | 2–3 × 12–20 | 60 s |
Squats go first in a lower body session when you are freshest. Follow them with Romanian deadlifts or leg press, or superset lighter sets with pull-ups to use the same rack.
Variations and alternatives
Similar exercises
Without barbell
Frequently asked questions
What muscles does the Barbell Squat work?
The Barbell Squat primarily works the glutes. It also involves the quads, hamstrings and calves, which assist the movement and stabilise the joints.
Is the Barbell Squat good for beginners?
It is rated intermediate, so it suits people who already train regularly. Beginners can still do the Barbell Squat with light load and a spotter or coach watching the first few sessions; if it feels awkward, pick an easier variation from the alternatives below first.
What can I do instead of the Barbell Squat?
If you cannot do the Barbell Squat, try the Curtsy Lunge, the Box Bulgarian Split Squat or the Supported Bodyweight Squat. Each of them trains the glutes through a similar movement, so you can swap them in without changing the rest of the workout.
How many sets and reps should I do?
It depends on your goal. For the Barbell Squat, a sensible starting point is strength: 4–5 × 3–6 with 2–3 min rest; muscle growth: 3–4 × 6–12 with 90–120 s rest; endurance: 2–3 × 12–20 with 60 s rest. Put it early in the session while you are fresh, before isolation work for the same muscles.
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