Knee Pain When Squatting: Causes, Fixes, and Modifications
Why Squatting Hurts Your Knees
Squatting is a fundamental movement, but knee pain during squats is common. The good news: it's usually fixable. Common causes include:
Identifying Your Problem
Where Does It Hurt?
Front of knee (patellofemoral):
Inside of knee:
Outside of knee:
Below kneecap:
Form Fixes
The Basics
Feet:
Knees:
Hips:
Torso:
Common Fixes
If Knees Cave In
The fix: Push knees out over pinky toes
Exercises:
If Heels Rise
The fix: Improve ankle mobility or elevate heels
Quick fixes:
Mobility work:
If You Lean Too Far Forward
The fix: Strengthen core and improve hip mobility
Exercises:
Mobility Exercises
Ankle Mobility
Wall Ankle Stretch:
1. Face wall, foot a few inches away
2. Drive knee toward wall, keeping heel down
3. Hold 30 seconds
4. Progress by moving foot farther from wall
Half-Kneeling Ankle Mobilization:
1. Half-kneeling position
2. Drive knee forward over toes
3. Keep heel down
4. 10-15 reps each side
Hip Mobility
90-90 Stretch:
1. Front leg bent 90 degrees in front
2. Back leg bent 90 degrees to side
3. Sit tall, shift between positions
4. 30-60 seconds each side
Pigeon Pose:
1. Front shin across body
2. Back leg extended
3. Fold forward as able
4. 30-60 seconds each side
Hip Flexor Stretch:
1. Half-kneeling
2. Tuck tailbone under
3. Lean forward
4. 30-60 seconds each side
Strengthening for Knee Pain
Quadriceps Strengthening
Terminal Knee Extension:
1. Band around knee, anchored behind
2. From slightly bent, straighten knee
3. Hold 2 seconds
4. 15-20 reps
Step Downs:
1. Stand on small step
2. Lower other foot slowly to floor
3. Return
4. 10-15 each leg
Glute Strengthening
Glute Bridges:
1. Lie on back, knees bent
2. Squeeze glutes, lift hips
3. Hold 3 seconds
4. 15-20 reps
Single Leg Glute Bridge:
1. One leg extended
2. Bridge on single leg
3. 10-12 each side
Clamshells:
1. Side-lying, knees bent
2. Lift top knee
3. 20-25 each side
Squat Modifications
Box Squat
1. Squat to box or bench
2. Sit down completely
3. Stand back up
4. Great for learning proper depth and form
Goblet Squat
1. Hold weight at chest
2. Elbows inside knees at bottom
3. Forces upright torso
4. Easier on knees for many
Heels Elevated Squat
1. Place heels on small plates or wedge
2. Reduces ankle mobility demands
3. Often reduces knee pain immediately
Partial Range Squat
1. Only go as deep as pain-free
2. Gradually increase depth
3. Build tolerance over time
Split Squat or Lunge
1. Different loading pattern
2. May be better tolerated
3. Still builds leg strength
Progressive Return
Week 1-2
Week 3-4
Week 5-6
Ongoing
When to Stop and Reassess
Red Flags
Yellow Flags
When to See a Doctor
Get evaluated if:
The Bottom Line
Knee pain during squats is usually a technique or mobility issue, not a reason to stop squatting forever. Fix your form, improve ankle and hip mobility, strengthen your glutes, and modify the movement as needed. Most people can squat pain-free with the right adjustments.