Walking alignment measured 2.5-3.1° more neutral than X-ray, iPad gait study finds
zawthet · x · 2026-11-12
Quantitative results from the AAHKS presentation: walking measurement was more neutral than standing films—varus D-HKAA attenuated by 2.5° on average vs S-HKAA, valgus by 3.1°, direction-adjusted bias −2.7° (CI −3.7 to −1.7), with coronal deformity compressed by roughly half at midstance. Every knee was measured in a real visit ordered by the surgeon with clinical reasons attached, pre-op and at 3 months, using video-derived pose, joint angles, and continuous signals labeled by encounter rather than by an annotator.
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