Characterization of the Stroke-Induced Changes in the Variability and Complexity of Handgrip Force Article Swipe
Pengzhi Zhu
,
Yuanyu Wu
,
Jingtao Liang
,
Yu Ye
,
Huicong Liu
,
Tiebin Yan
,
Rong Song
·
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.3390/e20050377
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.3390/e20050377
Introduction: The variability and complexity of handgrip forces in various modulations were investigated to identify post-stroke changes in force modulation, and extend our understanding of stroke-induced deficits. Methods: Eleven post-stroke subjects and ten age-matched controls performed voluntary grip force control tasks (power-grip tasks) at three contraction levels, and stationary dynamometer holding tasks (stationary holding tasks). Variability and complexity were described with root mean square jerk (RMS-jerk) and fuzzy approximate entropy (fApEn), respectively. Force magnitude, Fugl-Meyer upper extremity assessment and Wolf motor function test were also evaluated. Results: Comparing the affected side with the controls, fApEn was significantly decreased and RMS-jerk increased across the three levels in power-grip tasks, and fApEn was significantly decreased in stationary holding tasks. There were significant strong correlations between RMS-jerk and clinical scales in power-grip tasks. Discussion: Abnormal neuromuscular control, altered mechanical properties, and atrophic motoneurons could be the main causes of the differences in complexity and variability in post-stroke subjects.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/e20050377
- https://www.mdpi.com/1099-4300/20/5/377/pdf
- OA Status
- gold
- Cited By
- 4
- References
- 46
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2804411057
All OpenAlex metadata
Raw OpenAlex JSON
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- DOI
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https://doi.org/10.3390/e20050377Digital Object Identifier
- Title
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Characterization of the Stroke-Induced Changes in the Variability and Complexity of Handgrip ForceWork title
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2018Year of publication
- Publication date
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2018-05-17Full publication date if available
- Authors
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Pengzhi Zhu, Yuanyu Wu, Jingtao Liang, Yu Ye, Huicong Liu, Tiebin Yan, Rong SongList of authors in order
- Landing page
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https://doi.org/10.3390/e20050377Publisher landing page
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https://www.mdpi.com/1099-4300/20/5/377/pdfDirect link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/1099-4300/20/5/377/pdfDirect OA link when available
- Concepts
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Characterization (materials science), Stroke (engine), Physical medicine and rehabilitation, Cardiology, Internal medicine, Mathematics, Medicine, Materials science, Physics, Nanotechnology, ThermodynamicsTop concepts (fields/topics) attached by OpenAlex
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4Total citation count in OpenAlex
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2024: 1, 2022: 1, 2021: 2Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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