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Reachable workspace reflects dynamometer-measured upper extremity strength in facioscapulohumeral muscular dystrophy.


ABSTRACT: It is not known whether a reduction in reachable workspace closely reflects loss of upper extremity strength in facioscapulohumeral muscular dystrophy (FSHD). In this study we aimed to determine the relationship between reachable workspace and quantitative upper extremity strength measures.Maximal voluntary isometric contraction (MVIC) testing of bilateral elbow flexion and shoulder abduction by hand-held dynamometry was performed on 26 FSHD and 27 control subjects. In addition, Kinect sensor-based 3D reachable workspace relative surface areas (RSAs) were obtained. Loading (500-g weight) effects on reachable workspace were also evaluated.Quantitative upper extremity strength (MVIC of elbow flexion and shoulder abduction) correlated with Kinect-acquired reachable workspace RSA (R?=?0.477 for FSHD, P?=?0.0003; R?=?0.675 for the combined study cohort, P?

SUBMITTER: Han JJ 

PROVIDER: S-EPMC4575235 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Reachable workspace reflects dynamometer-measured upper extremity strength in facioscapulohumeral muscular dystrophy.

Han Jay J JJ   De Bie Evan E   Nicorici Alina A   Abresch Richard T RT   Bajcsy Ruzena R   Kurillo Gregorij G  

Muscle & nerve 20150619 6


<h4>Introduction</h4>It is not known whether a reduction in reachable workspace closely reflects loss of upper extremity strength in facioscapulohumeral muscular dystrophy (FSHD). In this study we aimed to determine the relationship between reachable workspace and quantitative upper extremity strength measures.<h4>Methods</h4>Maximal voluntary isometric contraction (MVIC) testing of bilateral elbow flexion and shoulder abduction by hand-held dynamometry was performed on 26 FSHD and 27 control su  ...[more]

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