Document Detail


Modified Kinematic Technique for Measuring Pathological Hyperextension and Hypermobility of the Interphalangeal Joints.
MedLine Citation:
PMID:  21233039     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Dynamic finger joint motion is difficult to measure using optical motion analysis techniques due to the limited surface area allowed for adequate marker placement. This work describes an extension of a previously validated kinematic measurement technique using a reduced surface marker set and outlines the required calculations based on a specific surface marker placement to calculate flexion/extension and hyperextension of the metacarpophalangeal, proximal interphalangeal and distal interphalangeal joints. The modified technique has been assessed for accuracy using a series of static reference frames (absolute residual error = ±3.7°, cross correlation between new method and reference frames; r = 0.99). The method was then applied to a small group of participants with Rheumatoid Arthritis (7 female, 1 male; mean age = 62.8 years ± 12.04) and illustrated congruent strategies of movement for a participant and a large range of finger joint movement over the sample (5.8° to 71.1°, smallest to largest active range of motion). This method, used alongside the previous paper [1], provide a comprehensive, validated method for calculating threedimensional wrist, hand, finger and thumb kinematics, and provide a valuable measurement tool for clinical research.
Authors:
C Metcalf; S Notley
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-13
Journal Detail:
Title:  IEEE transactions on bio-medical engineering     Volume:  -     ISSN:  1558-2531     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0012737     Medline TA:  IEEE Trans Biomed Eng     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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