Free AI Wall Sit Form Check
Hold a wall sit for 30 seconds. Get your form score and your #1 fix.
Wall sits · ~60s · Camera permission required
What we check
Six biomechanical signals, scored from your camera in real time.
- Knee angle at 90°
- Shin verticality
- Hip vs. knee height
- Back contact with wall
- Symmetry of weight
- Hold quality
How it works
- Step 1
Set up your camera
Phone propped against a wall, or laptop on a table. Hip-height, 6–8 feet back, full body in frame.
- Step 2
Do five reps
Five strict wall sits. Take it at your own tempo. KinesteX tracks joint coordinates on-device.
- Step 3
Get your score and fix
A 0–100 form score plus the single most important correction to work on.
On-device. We don’t see your video.
KinesteX runs the form-check model in your browser. The frames never leave your device — we only see anonymous joint coordinates and the resulting metrics. Nothing is recorded. Nothing is uploaded. Close the tab and it’s gone.
What your result looks like
A score, the fix, and the metrics behind it.
Form score
Tighten your form
Stay tall, control the tempo, and breathe through the rep.
Frequently asked
Privacy, accuracy, equipment.
30 seconds for a form check. 60–90 seconds is a solid baseline.
A burn in the quads is normal. Joint pain is not. Stop if it's the joint.
No.
Builds quad endurance without joint loading. Great for women rebuilding from knee issues.
Yes, can be done daily.
Add dumbbells in your hands or on your thighs to progress.
Yes — wall sits before squats are a great quad pre-fatigue.
Take the quiz for your free 7-day plan.
Try another form check
Ready to see your score?
Five wall sits. 60 seconds. A 0–100 score and the one thing to fix next.