How to Do a Bodyweight Squat Without Hurting Your Knees

Knee pain during squats almost always comes down to one of three things: how your knees track over your feet, how far you’re bending forward, or how fast you’re moving. Fix those and most bodyweight squat discomfort clears up without changing anything else about your routine.

Where the strain usually starts

The most common issue is letting the knees collapse inward as you lower down, which shifts load onto the inner knee joint instead of the muscles built to handle it. The second is stopping the movement at the knees rather than the hips — pushing the knees forward without sending the hips back means your quads and knee joint absorb weight that your glutes and hamstrings should be sharing.

A cue-by-cue setup

• Stand with feet roughly shoulder-width apart, toes turned out slightly rather than pointed straight ahead
• Start the movement by pushing your hips back, as if reaching for a chair behind you, before your knees bend much at all
• Keep your knees tracking in the same direction as your toes throughout — imagine spreading the floor apart with your feet
• Lower only as far as you can while keeping your heels flat and your lower back in a neutral position, not rounded
• Drive up through the whole foot, not just the toes, and finish with hips fully extended

Depth is individual. Some people can comfortably squat well past parallel with the floor; others feel better stopping higher. Reps-in-reserve is a more useful gauge than a fixed depth or count: stop the set a few reps before your form starts to break down, not when you hit a number.

When it’s more than form

A dull, generalized ache that shows up during the movement and settles once you warm up is common and usually not a red flag. Sharp pain, swelling, a painful clicking sensation, or a knee that gives way is different — that’s worth a conversation with a doctor or physical therapist before you keep loading the joint. A prior injury, surgery, or an existing knee condition is also a good reason to get individualized guidance rather than working from a general guide like this one.

One thing to try this week

Record a short video of your next set from the side. Watching your own hip and knee position is more useful than any cue list, because it shows exactly where your form breaks down under fatigue rather than at rep one. For more no-equipment strength moves like this, the NHS’s guide to gym-free exercises is a solid next stop.

If your knees still bother you after cleaning up form for a couple of weeks, that’s a sign to get it looked at rather than push through.