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MRI-based assessment of hip joint translations

Gilles, Benjamin
Christophe, Frank Kolo
Published in Journal of Biomechanics. 2009, vol. 42, no. 9, p. 1201-5
Abstract To better understand movement limitations and, to some extent, the pathogenesis of osteoarthritis, it is important to quantitatively measure femoroacetabular translations to assess if any joint subluxation occurs. In this paper, we aim at measuring hip joint displacements from magnetic resonance images (MRI) based on a surface registration technique. Because this measurement is related to the location of the hip joint center (HJC), we investigate and compare different HJC estimation approaches based on patient-specific 3D bone models. We estimate the HJC based on a simulated circumduction while minimizing inter-articular distance changes. Measurements of femoroacetabular translations during low amplitude abductions (80 samples) and extreme flexions (60 samples) in female professional dancers, which is a population potentially exposed to femoroacetabular impingements, do not show any significant subluxation.
Keywords BiomechanicsHip Joint/anatomy & histology/physiology/physiopathologyHumansImaging, Three-DimensionalMagnetic Resonance ImagingModels, BiologicalOsteoarthritis, Hip/physiopathologyRange of Motion, Articular/physiology
PMID: 19394944
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Research groups Institute of Information Service Science (ISS)
Thérapie cellulaire et troubles musculo-squelettiques (960)
Imagerie et radiologie interventionnelle du foie, des voies biliaires et du pancréas (316)
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GILLES, Benjamin et al. MRI-based assessment of hip joint translations. In: Journal of Biomechanics, 2009, vol. 42, n° 9, p. 1201-5. doi: 10.1016/j.jbiomech.2009.03.033 https://archive-ouverte.unige.ch/unige:5414

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Deposited on : 2010-03-15

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