Barbell Back Squat
The Barbell Back Squat primarily works the Gluteus Maximus, with secondary activation of the Rectus Femoris, Vastus Lateralis, Vastus Medialis and stabilizer support from the Adductor Magnus, Erector Spinae, Rectus Abdominis, Transverse Abdominis. It is a barbell compound exercise at intermediate difficulty.
The Barbell Back Squat is a intermediate compound exercise performed with barbell, following a squat movement pattern. It primarily targets the Gluteus Maximus, with secondary engagement of the Rectus Femoris, Vastus Lateralis, Vastus Medialis. This is a bilateral pushing movement, meaning both sides work together to generate force.
Barbell squat with bar on upper back descending to parallel or below.
| Equipment | Barbell |
|---|---|
| Difficulty | Intermediate |
| Type | Compound |
| Movement | Squat |
| Force | Push |
| Laterality | Bilateral |
| Primary | Gluteus Maximus |
| Secondary | Rectus Femoris, Vastus Lateralis, Vastus Medialis |
Muscles Worked
The Gluteus Maximus is the primary mover, taking on the bulk of the workload throughout the full range of motion. The Rectus Femoris, Vastus Lateralis, and Vastus Medialis act as secondary movers, assisting the primary muscles and contributing meaningfully to the overall output. The Adductor Magnus, Erector Spinae, Rectus Abdominis, and 1 other muscles act as stabilizers, maintaining joint position and postural alignment throughout the movement.
Primary Muscles
- Primary Muscle Gluteus Maximus (glutes)
Secondary Muscles
- Secondary Muscle Rectus Femoris (quadriceps)
- Secondary Muscle Vastus Lateralis (quadriceps)
- Secondary Muscle Vastus Medialis (quadriceps)
Stabilizer Muscles
- Stabilizer Muscle Adductor Magnus (adductors)
- Stabilizer Muscle Erector Spinae (back)
- Stabilizer Muscle Rectus Abdominis (core)
- Stabilizer Muscle Transverse Abdominis (core)
How to Perform
Preparation
- Position bar on upper back across trapezius.
- Grasp barbell with overhand grip, hands shoulder-width apart.
Execution
- Bend at hips and knees, lowering body until thighs are parallel to floor.
- Drive through feet to return to standing position.
- Repeat.
Comments
- Maintain control throughout movement to fully engage the Quadriceps, Gluteus Maximus.
Tips & Common Mistakes
- Keep your chest up and spine neutral throughout — avoid rounding your lower back.
- Push your knees out in line with your toes as you descend.
- Aim for at least parallel depth — cutting squats short reduces muscle activation.
Programming Suggestions
Adapt your sets and reps to your training goal.
| Strength | 3–5 sets × 3–6 reps at 80–90% 1RM with 2–4 minutes rest. |
|---|---|
| Hypertrophy | 3–5 sets × 6–12 reps at 65–80% 1RM with 60–120 seconds rest. |
| Endurance | 2–4 sets × 15–20 reps at 50–65% 1RM with 30–60 seconds rest. |
Alternative Exercises
These exercises target the same primary muscles (Gluteus Maximus) and can be substituted based on your equipment or variation preferences.
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