Document Detail

Feasibility of using inertial sensors to assess human movement.
MedLine Citation:
PMID:  19632882     Owner:  NLM     Status:  MEDLINE    
The aim of this study was to determine the suitability of inertial sensors for motion analysis research. Inertial sensors (Xsens Technologies, Netherlands) consisting of 3D gyroscopes, accelerometers and a magnetometer were compared against an electromagnetic motion tracking system (Fastrak, Polhemus, USA) for measuring motions of an artificial hinge joint and random 3D motions. Subsequently, to assess the feasibility of using inertial sensors for human motion analysis, the movements of the hip joint during walking were recorded in 20 normal asymptomatic subjects. The comparative study demonstrated good agreement between the inertial and electromagnetic systems. Measurements obtained for hip joint movement during walking (flexion, extension and step length) were similar to those reported in previous studies (flexion 38.8 degrees , extension 6.6 degrees , step frequency 1.02Hz). We conclude that the inertial sensors studied have the potential to be used for motion analysis and clinical research.
Kambiz Saber-Sheikh; Elizabeth C Bryant; Charlotte Glazzard; Alicia Hamel; Raymond Y W Lee
Publication Detail:
Type:  Journal Article; Validation Studies     Date:  2009-07-25
Journal Detail:
Title:  Manual therapy     Volume:  15     ISSN:  1532-2769     ISO Abbreviation:  Man Ther     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-03     Completed Date:  2010-04-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9610924     Medline TA:  Man Ther     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  122-5     Citation Subset:  IM    
Clinical Research Centre for Health Professions, University of Brighton, Aldro Building, Darley Road, Eastbourne BN20 7UR, UK. <>
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MeSH Terms
Electromagnetic Phenomena
Equipment Design
Feasibility Studies
Hip Joint / physiology*
Magnetics / instrumentation*,  standards
Range of Motion, Articular / physiology*
Signal Processing, Computer-Assisted / instrumentation*
Walking / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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