Foot Bunion Angle

Hold the camera directly above the foot, parallel to the floor, 40–60 cm high.
Right foot, bare, toes toward the top of the frame (big toe on the left).
Plain contrasting background (e.g. white paper on a dark floor).
Whole foot including the heel in frame; no other feet or legs.

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This is an estimate from the soft-tissue outline, not a clinical measurement. A real hallux valgus angle needs a weight-bearing X-ray. This app is not a medical device. Reference bands are approximate (based on radiographic ranges).