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Head Turn Angle Measurement
Mobile-Only Tool
Scan to open on smartphone
This tool uses your phone's internal orientation sensors (gyroscope) to measure horizontal head turn angle between positions while holding the phone flat and horizontal. The measurement does not access the camera to ensure patient privacy.
Point your phone's camera at this QR code
Sensors Active
Tilt: Flat
Keep your phone flat and horizontal while taking the measurement.
Step 1
Aim head of phone at Target A & tap Set start
🎯 Ready
Hold phone flat and horizontal (screen facing up). Aim the head (top edge) of the phone at Target A (straight head position).
Measurements Log
No angles recorded yet. Follow steps 1-3 to capture measurements.
| # | Angle | Time |
|---|