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Decomposition and metrical analysis of single-joint movement of the hemiparetic upper-limb.
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Title
Decomposition and metrical analysis of single-joint movement of the hemiparetic upper-limb.
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ETD_1848
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051921
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eng
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theses
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Topic
Biomedical Engineering
Subject
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(authority = ETD-LCSH)
Topic
Joints--Range of motion
Subject
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(authority = ETD-LCSH)
Topic
Movement disorders
Abstract
Observation of the voluntary movement of the upper-limb is the primary method by which recovery is determined in the motor-impaired. Here, an analytical infrastructure is presented for the decomposition of the kinematical record into two constitutive components: the essential motor activity, and spontaneous motor noise. These tools are subsequently used to perform novel hypothesis tests on the symmetry and variability of discrete single-joint articulation of the elbow in chronic stroke patients and healthy control subjects.
Firstly, elbow-joint goniometric data from 41 healthy volunteers was modeled with a high accuracy to a set of analytical curves, parameterized to account for movement delay and average velocity. From this it was determined that single-joint trajectories are not uniformly symmetric, nor are their trace morphologies highly stereotyped. Additional analysis of trajectory waveform variability following a pseudo-wavelet domain transformation revealed modest spontaneous behavior in the medial domains of joint articulation. Among 14 subjects with impaired motor control due to chronic stroke, though significantly greater transience was observed throughout the joint domain, cohort tendency to adopt symmetric trajectories within a narrow (but non-singular) set of morphology themes did not depart significantly from that of unimpaired subjects. It is concluded that motor dysfunction in the hemiparetic upper-limb, as observed via the motor activity of the elbow joint in stroke-afflicted persons, pertains to the proclivity to accelerative transience across the joint range, and not to an essential motor behavior associated with basic task execution.
Firstly, elbow-joint goniometric data from 41 healthy volunteers was modeled with a high accuracy to a set of analytical curves, parameterized to account for movement delay and average velocity. From this it was determined that single-joint trajectories are not uniformly symmetric, nor are their trace morphologies highly stereotyped. Additional analysis of trajectory waveform variability following a pseudo-wavelet domain transformation revealed modest spontaneous behavior in the medial domains of joint articulation. Among 14 subjects with impaired motor control due to chronic stroke, though significantly greater transience was observed throughout the joint domain, cohort tendency to adopt symmetric trajectories within a narrow (but non-singular) set of morphology themes did not depart significantly from that of unimpaired subjects. It is concluded that motor dysfunction in the hemiparetic upper-limb, as observed via the motor activity of the elbow joint in stroke-afflicted persons, pertains to the proclivity to accelerative transience across the joint range, and not to an essential motor behavior associated with basic task execution.
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electronic resource
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xviii, 205 p. : ill.
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Ph.D.
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Includes bibliographical references (p. 197-203)
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by Michael T. Wininger
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Wininger
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Michael T.
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1981-
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Michael T. Wininger
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Craelius
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William
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chair
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William Craelius
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David
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internal member
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David I. Shriber
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Gajic
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Zoran
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Zoran Gajic
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Adamovich
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Sergei
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Sergei Adamovich
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Rutgers University
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Graduate School - New Brunswick
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school
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2009
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2009-10
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xx
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Rutgers University Electronic Theses and Dissertations
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ETD
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Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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doi:10.7282/T3SJ1KSG
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ETD doctoral
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The author owns the copyright to this work
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Copyright protected
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Open
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Permission or license
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Wininger
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Michael
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Michael Wininger
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Rutgers University. Graduate School - New Brunswick
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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