Bodyweight Squat: Form Guide, Muscles and Mistakes
Load card
- Equipment
- Bodyweight
- Muscle group
- Legs
- Main muscles
- quadriceps, gluteus maximus
- Also working
- adductors, calves
- Mechanics
- Compound
- Pattern
- Squat
- Level
- Beginner
The bodyweight squat, also known as the air squat, is a foundational beginner movement that builds lower body strength without any equipment. It teaches the fundamental squat movement pattern that you will use in heavier compound lifts.
This exercise primarily targets the legs, focusing heavily on your quadriceps and gluteus maximus. As you lower and raise your body, your adductors and calves act as supporting muscles to keep your stance stable and controlled.
How to do it
Stand tall with your feet slightly wider than shoulder-width apart and your toes pointed slightly outward. Keep your arms relaxed by your sides or hold them out in front of you for balance.
- Brace your core and keep your chest up as you prepare to move.
- Push your hips back and bend your knees to lower your body.
- Keep your weight evenly distributed across your feet as you descend.
- Lower yourself until your thighs are at least parallel to the floor.
- Push through your feet to stand back up to the starting position.
Sets, reps and load
Start with 3 sets of 10 to 15 repetitions. Rest for 60 to 90 seconds between each set to maintain good form.
Since this is a bodyweight movement, you can make it harder by slowing down the tempo of your descent to increase time under tension.
Common mistakes
- Heels lifting off the floor. Keep your feet flat and drive your weight through your midfoot and heel. If your heels still lift, try widening your stance slightly.
- Knees caving inward. Actively push your knees out as you lower and raise your body. Think about spreading the floor apart with your feet.
- Rounding your lower back. Keep your chest up and your core braced throughout the entire movement. Only go as deep as you can while maintaining a neutral spine.
- Initiating with the knees. Start the descent by pushing your hips back and bending your knees at the same time. This keeps your weight balanced and engages your gluteus maximus and quadriceps.
Make it easier or harder
Easier
- Box squat by sitting down onto a bench or sturdy chair before standing back up.
- Assisted squat by holding onto a doorway or sturdy post for balance and support.
Harder
- Pause squats by holding the bottom position for three seconds before standing up.
- Jump squats to build explosive power in your quadriceps and gluteus maximus.
Before you load it up
- Deep knee bending can be uncomfortable with some knee problems. Limit the depth to a range that feels fine.
Swaps and related legs exercises
Same muscle group with different equipment:
- Banded Squat Resistance band
- Goblet Squat Dumbbell
- Kettlebell Goblet Squat Kettlebell
- Dumbbell Calf Raise Dumbbell
More bodyweight options:
- Calf Raise Ankle plantarflexion
- Reverse Lunge Lunge
- Wall Sit Squat hold
- Bulgarian Split Squat Split squat
Browse all bodyweight exercises or every legs exercise.
When to see a doctor or physio
- Sharp pain in your knee joints during the descent or ascent.
- Pinching sensations in the front of your hips at the bottom of the squat.
- Lower back pain that persists after you finish your workout.
This page is general training information, not medical advice. If you are new to strength training, managing a health condition, pregnant or coming back from an injury, check with a doctor or physio first.
How this page was made. Exercise data (equipment, muscles, mechanics, level) compiled by the Unite Journal Crew as a general anatomy guide, cross-checked against the public-domain free-exercise-db list. Text drafted with AI assistance and edited by the crew; see our house rules. Last checked October 2026.