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Are We Overestimating Internal Rotation Gait by Conventional Modelling? by Arik Rehani Musagara; Firooz Salami; Hannah Oelmaier; Marco Götze; Sebastian I. Wolf is a Medicine article available to read on EtoBox.

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Background The determination of the knee joint axis (KJA) via specific calibration movements has become a promising alternative to the conventional approach to determine this axis based on regression equations or directly via marker placement on bony landmarks of the knee. Since the orientation of the KJA may differ between methods, it has direct influence on hip rotation and may therefore influence clinical decision making in context of transverse plane gait deviations. Research question: Does a functional KJA calibration lead to clinically relevant differences in hip rotation estimates during gait compared to the conventional method? Methods 95 subjects (age: 19.9 years; BMI: 21.1 kg/m2), including 71 patients with potential rotation malalignment, were prospectively examined and underwent 3D gait analysis. For the conventional approach the KJA was determined by applying a knee alignment device, for the functional approach subjects were asked to perform two different calibration movements. Each procedure was performed twice. Mean hip rotation in stance (mHipRotSt) was determined following the conventional and the functional KJA calibration. Results Deming regression analysis for t

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Author

Arik Rehani Musagara; Firooz Salami; Hannah Oelmaier; Marco Götze; Sebastian I. Wolf

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Medicine (Health Sciences)