Document Detail


Analysis of hip range of motion in everyday life: a pilot study.
MedLine Citation:
PMID:  25385049     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Patients undergoing total hip arthroplasty are increasingly younger and have a higher demand concerning hip range of motion. To date, there is no clear consensus as to the amplitude of the "normal hip" in everyday life. It is also unknown if the physical examination is an accurate test for setting the values of true hip motion. The purpose of this study was: 1) to precisely determine the necessary hip joint mobility for everyday tasks in young active subjects to be used in computer simulations of prosthetic models in order to evaluate impingement and instability during their practice; 2) to assess the accuracy of passive hip range of motion measurements during clinical examination. A total of 4 healthy volunteers underwent Magnetic Resonance Imaging and 2 motion capture experiments. During experiment 1, routine activities were recorded and applied to prosthetic hip 3D models including nine cup configurations. During experiment 2, a clinical examination was performed, while the motion of the subjects was simultaneously captured. Important hip flexion (mean range 95°-107°) was measured during daily activities that could expose the prosthetic hip to impingement and instability. The error made by the clinicians during physical examination varied in the range of ±10°, except for flexion and abduction where the error was higher. This study provides useful information for the surgical planning to help restore hip mobility and stability, when dealing with young active patients. The physical examination seems to be a precise method for determining passive hip motion, if care is taken to stabilise the pelvis during hip flexion and abduction.
Authors:
Caecilia Charbonnier; Sylvain Chagué; Jérôme Schmid; Frank C Kolo; Massimiliano Bernardoni; Panayiotis Christofilopoulos
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-10
Journal Detail:
Title:  Hip international : the journal of clinical and experimental research on hip pathology and therapy     Volume:  -     ISSN:  1724-6067     ISO Abbreviation:  Hip Int     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-11-11     Completed Date:  -     Revised Date:  2014-11-12    
Medline Journal Info:
Nlm Unique ID:  9200413     Medline TA:  Hip Int     Country:  -    
Other Details:
Languages:  ENG     Pagination:  0     Citation Subset:  -    
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