What is it about?
This study described a reliable 2D approach for measuring hallux (great toe) and first ray (arch) sagittal plane motion from weight-bearing images. The 2D measurements were comparable to 3D results in controls, but not in women with hallux valgus (bunion) deformity,
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Why is it important?
These results suggest that a 2D image-based approach is adequate to estimate sagittal plane motion of the great toe and arch as occurs during standing and walking, although deformity that occurs secondary to bunion creates out-of-plane motions that require more technical 3D methods to quantify movement of the great toe and arch with accuracy.
Perspectives
The results of this study suggests that a 2D image-based approach may be used in practice and clinical studies to estimate sagittal plane motion of the great toe and arch motion as typically occurs during walking.
Dr Ward M Glasoe
University of Minnesota Twin Cities
Read the Original
This page is a summary of: Comparison of 2D-3D Measurements of Hallux and First Ray Sagittal Motion in Patients With and Without Hallux Valgus, Foot & Ankle International, September 2015, SAGE Publications,
DOI: 10.1177/1071100715604238.
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