Magnetic resonance imaging (MRI) lower limb length measurement
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Updated: Jun 2, 2026

Lower Limb Biomechanical Analysis of Healthy Participants
Published on: April 15, 2020
Anthony J Doyle1, Sandra Winsor
1Department of Radiology with Anatomy, Faculty of Health and Medical Sciences, University of Auckland, Auckland, New Zealand. adoyle@adhb.govt.nz
Abstract:
An MRI-based method was developed to measure lower limb lengths. By comparison with direct measurement of a cadaver femur, the accuracy of the method was verified as over 99%. Reliability and inter-observer agreement were excellent (correlation coefficients r > 0.99.). This method is accurate and reliable. It shows promise for reducing radiation dose to the paediatric population at large by replacing measurements based on radiographs or computed tomography.
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