Back squat
Bar over mid-foot, brace before descent, knees track over toes.
family=squatpattern=squatforce=pushmechanic=compoundequipment=free_weight
Muscles
- Primary
- quads
- Supporting
- glutes, hamstrings
Mechanics
- Pattern
- squat
- Equipment
- barbell, rack
- Geometry
- 90° Alignment
- Target feel
- Quads and glutes drive evenly out of the bottom.
- Progression
- Progress only when depth and brace match across all sets.
- Regression
- Use leg press or goblet squat if back position breaks.
Watch for
- Losing brace at depth
- Hips shooting up first
Equipment context
The barbell version lets you move the most absolute load, while your grip and shoulder girdle stabilize the path.
Substitutions
Related exercises
Progression ladder
- Beginner / regression: Use leg press or goblet squat if back position breaks.
- Standard: Back squat
- Advanced / progression: Progress only when depth and brace match across all sets.
Atlas metrics
- Movement pattern
- squat
- Primary target
- quads
- Supporting muscles
- glutes, hamstrings
- Equipment
- barbell, rack
- Joint geometry
- 90° Alignment
- Alternatives
- 3 substitutions
Evidence & limits
Last reviewed against peer-reviewed biomechanics references. Exercise descriptions are framed as training guidance, not medical advice.
Source: ExRx.net Exercise & Muscle Directory
Eccentryx is fitness software. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease, injury, or medical condition. Consult a licensed physician before beginning any exercise program.
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FAQ
- How do I set up Back squat?
- Bar over mid-foot, brace before descent, knees track over toes.
- What should I feel during Back squat?
- Quads and glutes drive evenly out of the bottom.
- What are common mistakes with Back squat?
- Losing brace at depth; Hips shooting up first
- How do I progress Back squat?
- Progress only when depth and brace match across all sets.
- What can I do instead of Back squat?
- Front squat, Hack squat, Leg press

Back squat: squat pattern, 2600 ms rep trace, engine-derived.
