Barbell Full squat (with rack)
- Target muscle
- Gluteus Maximus, Quadriceps
- Synergist muscles
- Adductor Magnus, Soleus
- Equipment
- Barbell
- Body part
- Thighs
- Type
- Strength
The barbell full squat (with rack) is a heavy lower-body strength exercise that primarily targets the glutes (gluteus maximus) and quadriceps, with the adductor magnus and soleus assisting. Performed by unracking a loaded barbell onto your upper back and descending to full depth, it builds total-leg strength and is a cornerstone of any lower-body program.
How to do the Barbell Full squat (with rack)
- 1Set the bar in the rack at about mid-chest height and adjust the safety arms to just below your lowest squat depth.
- 2Step under the bar and position it across your upper back on the meaty part of your traps, gripping it slightly wider than shoulder-width with your elbows down.
- 3Brace your core, lift the bar off the hooks by straightening your legs, and take one or two short steps back to clear the rack.
- 4Set your feet roughly shoulder-width apart with your toes turned out slightly, and find a stable mid-foot stance.
- 5Take a deep breath into your belly, brace hard, and squat down by pushing your hips back and bending your knees in line with your toes.
- 6Descend under control until your hip crease drops below the top of your knees (full depth), keeping your chest up and heels planted.
- 7Drive through your whole foot to stand back up, extending your hips and knees together until you are fully upright.
- 8Complete your reps, then step forward and re-rack the bar onto the hooks with control.
Form tips
- Always set the rack's safety arms just below your bottom position so you can bail the bar safely if you fail a rep, and use a spotter for heavy or near-limit sets.
- Keep your weight balanced over your mid-foot and your heels in contact with the floor throughout the rep.
- Brace your core as if bracing for a punch and hold the breath until you have driven up out of the bottom.
- Track your knees out over your toes rather than letting them collapse inward to keep the glutes and quads loaded.
- Squat only as deep as you can while keeping a neutral spine and your heels down; build depth as your mobility improves.
Common mistakes
- Letting the knees cave inward on the way up, which strains the knees and wastes glute and quad drive.
- Rounding the lower back at the bottom, which shifts load onto the spine and raises injury risk.
- Cutting the squat short above parallel, which reduces glute and quadriceps work and undertrains the full range.
- Rising onto the toes or shifting weight forward, which destabilizes the lift and stresses the knees.
- Squatting without safety arms or a spotter when going heavy, leaving no safe way to bail a failed rep.
Frequently asked questions
What muscles does the barbell full squat work?
It primarily works the glutes (gluteus maximus) and quadriceps, with the adductor magnus of the inner thigh and the soleus of the calf acting as synergists.
How wide should my stance be?
Roughly shoulder-width with your toes turned out slightly is a solid default. A wider stance recruits more of the glutes and adductors, while a narrower stance puts more emphasis on the quads.
How deep should I squat?
A full squat means dropping your hip crease below the top of your knees. Only go as deep as you can while keeping a neutral spine and your heels planted, and build depth as your mobility improves.
Do I need safety arms or a spotter for the barbell squat?
Yes when lifting heavy. Set the rack's safety arms just below your bottom position so you can drop the bar onto them if you fail a rep, and have a spotter ready for near-limit sets.
