Quantitative evaluations of ankle spasticity and stiffness in neurological disorders using manual spasticity evaluator
Identifieur interne : 001A90 ( Ncbi/Checkpoint ); précédent : 001A89; suivant : 001A91Quantitative evaluations of ankle spasticity and stiffness in neurological disorders using manual spasticity evaluator
Auteurs : Qiyu Peng [États-Unis] ; Hyung-Soon Park [États-Unis] ; Parag Shah [États-Unis] ; Nicole Wilson [États-Unis] ; Yupeng Ren [États-Unis] ; Yi-Ning Wu [États-Unis] ; Jie Liu [États-Unis] ; Deborah J. Gaebler-Spira [États-Unis] ; Li-Qun Zhang [États-Unis]Source :
- Journal of rehabilitation research and development [ 0748-7711 ] ; 2011.
Abstract
Spasticity and contracture are major sources of disability in people with neurological impairments that have been evaluated using various instruments: the Modified Ashworth Scale, tendon reflex scale, pendulum test, mechanical perturbations, and passive joint range of motion (ROM). These measures generally are either convenient to use in clinics but not quantitative or they are quantitative but difficult to use conveniently in clinics. We have developed a manual spasticity evaluator (MSE) to evaluate spasticity/contracture quantitatively and conveniently, with ankle ROM and stiffness measured at a controlled low velocity and joint resistance and Tardieu catch angle measured at several higher velocities. We found that the Tardieu catch angle was linearly related to the velocity, indicating that increased resistance at higher velocities was felt at further stiffer positions and, thus, that the velocity dependence of spasticity may also be position-dependent. This finding indicates the need to control velocity in spasticity evaluation, which is achieved with the MSE. Quantitative measurements of spasticity, stiffness, and ROM can lead to more accurate characterizations of pathological conditions and outcome evaluations of interventions, potentially contributing to better healthcare services for patients with neurological disorders such as cerebral palsy, spinal cord injury, traumatic brain injury, and stroke.
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PubMed: 21674395
PubMed Central: 3701802
Affiliations:
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type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation></author><author><name sortKey="Park, Hyung Soon" sort="Park, Hyung Soon" uniqKey="Park H" first="Hyung-Soon" last="Park">Hyung-Soon Park</name><affiliation wicri:level="2"><nlm:aff id="A1">Rehabilitation Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff id="A2">Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff 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Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation></author><author><name sortKey="Ren, Yupeng" sort="Ren, Yupeng" uniqKey="Ren Y" first="Yupeng" last="Ren">Yupeng Ren</name><affiliation wicri:level="2"><nlm:aff id="A1">Rehabilitation Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation></author><author><name sortKey="Wu, Yi Ning" sort="Wu, Yi Ning" uniqKey="Wu Y" first="Yi-Ning" last="Wu">Yi-Ning Wu</name><affiliation wicri:level="2"><nlm:aff id="A1">Rehabilitation Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation></author><author><name sortKey="Liu, Jie" sort="Liu, Jie" uniqKey="Liu J" first="Jie" last="Liu">Jie Liu</name><affiliation wicri:level="2"><nlm:aff id="A1">Rehabilitation Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff id="A4">Department of Biomedical Engineering, Northwestern University, Chicago, IL</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Department of Biomedical Engineering, Northwestern University, Chicago</wicri:cityArea></affiliation></author><author><name sortKey="Gaebler Spira, Deborah J" sort="Gaebler Spira, Deborah J" uniqKey="Gaebler Spira D" first="Deborah J." last="Gaebler-Spira">Deborah J. Gaebler-Spira</name><affiliation wicri:level="2"><nlm:aff id="A1">Rehabilitation Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff id="A2">Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago</wicri:cityArea></affiliation></author><author><name sortKey="Zhang, Li Qun" sort="Zhang, Li Qun" uniqKey="Zhang L" first="Li-Qun" last="Zhang">Li-Qun Zhang</name><affiliation wicri:level="2"><nlm:aff id="A1">Rehabilitation Institute of Chicago, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Rehabilitation Institute of Chicago, Chicago</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff id="A2">Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago, IL;</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff id="A4">Department of Biomedical Engineering, Northwestern University, Chicago, IL</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Illinois</region></placeName><wicri:cityArea>Department of Biomedical Engineering, Northwestern University, Chicago</wicri:cityArea></affiliation></author></analytic><series><title level="j">Journal of rehabilitation research and development</title><idno type="ISSN">0748-7711</idno><idno type="eISSN">1938-1352</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">Spasticity and contracture are major sources of disability in people with neurological impairments that have been evaluated using various instruments: the Modified Ashworth Scale, tendon reflex scale, pendulum test, mechanical perturbations, and passive joint range of motion (ROM). These measures generally are either convenient to use in clinics but not quantitative or they are quantitative but difficult to use conveniently in clinics. We have developed a manual spasticity evaluator (MSE) to evaluate spasticity/contracture quantitatively and conveniently, with ankle ROM and stiffness measured at a controlled low velocity and joint resistance and Tardieu catch angle measured at several higher velocities. We found that the Tardieu catch angle was linearly related to the velocity, indicating that increased resistance at higher velocities was felt at further stiffer positions and, thus, that the velocity dependence of spasticity may also be position-dependent. This finding indicates the need to control velocity in spasticity evaluation, which is achieved with the MSE. Quantitative measurements of spasticity, stiffness, and ROM can lead to more accurate characterizations of pathological conditions and outcome evaluations of interventions, potentially contributing to better healthcare services for patients with neurological disorders such as cerebral palsy, spinal cord injury, traumatic brain injury, and stroke.</p></div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li><li>Maryland</li></region></list><tree><country name="États-Unis"><region name="Illinois"><name sortKey="Peng, Qiyu" sort="Peng, Qiyu" uniqKey="Peng Q" first="Qiyu" last="Peng">Qiyu Peng</name></region><name sortKey="Gaebler Spira, Deborah J" sort="Gaebler Spira, Deborah J" uniqKey="Gaebler Spira D" first="Deborah J." last="Gaebler-Spira">Deborah J. Gaebler-Spira</name><name sortKey="Gaebler Spira, Deborah J" sort="Gaebler Spira, Deborah J" uniqKey="Gaebler Spira D" first="Deborah J." last="Gaebler-Spira">Deborah J. Gaebler-Spira</name><name sortKey="Liu, Jie" sort="Liu, Jie" uniqKey="Liu J" first="Jie" last="Liu">Jie Liu</name><name sortKey="Liu, Jie" sort="Liu, Jie" uniqKey="Liu J" first="Jie" last="Liu">Jie Liu</name><name sortKey="Park, Hyung Soon" sort="Park, Hyung Soon" uniqKey="Park H" first="Hyung-Soon" last="Park">Hyung-Soon Park</name><name sortKey="Park, Hyung Soon" sort="Park, Hyung Soon" uniqKey="Park H" first="Hyung-Soon" last="Park">Hyung-Soon Park</name><name sortKey="Park, Hyung Soon" sort="Park, Hyung Soon" uniqKey="Park H" first="Hyung-Soon" last="Park">Hyung-Soon Park</name><name sortKey="Ren, Yupeng" sort="Ren, Yupeng" uniqKey="Ren Y" first="Yupeng" last="Ren">Yupeng Ren</name><name sortKey="Shah, Parag" sort="Shah, Parag" uniqKey="Shah P" first="Parag" last="Shah">Parag Shah</name><name sortKey="Wilson, Nicole" sort="Wilson, Nicole" uniqKey="Wilson N" first="Nicole" last="Wilson">Nicole Wilson</name><name sortKey="Wu, Yi Ning" sort="Wu, Yi Ning" uniqKey="Wu Y" first="Yi-Ning" last="Wu">Yi-Ning Wu</name><name sortKey="Zhang, Li Qun" sort="Zhang, Li Qun" uniqKey="Zhang L" first="Li-Qun" last="Zhang">Li-Qun Zhang</name><name sortKey="Zhang, Li Qun" sort="Zhang, Li Qun" uniqKey="Zhang L" first="Li-Qun" last="Zhang">Li-Qun Zhang</name><name sortKey="Zhang, Li Qun" sort="Zhang, Li Qun" uniqKey="Zhang L" first="Li-Qun" last="Zhang">Li-Qun Zhang</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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