Article: The Dynamic Motor Control Index as a Marker of Age-Related Neuromuscular Impairment.
Frontiers in aging neuroscience
2021 Volume 13, Page(s) 678525
Abstract: Biomarkers that can identify age-related decline in walking function have potential to promote healthier aging by triggering timely interventions that can mitigate or reverse impairments. Recent evidence suggests that changes in neuromuscular control ... ...
Abstract | Biomarkers that can identify age-related decline in walking function have potential to promote healthier aging by triggering timely interventions that can mitigate or reverse impairments. Recent evidence suggests that changes in neuromuscular control precede changes in walking function; however, it is unclear which measures are best suited for identifying age-related changes. In this study, non-negative matrix factorization of electromyography data collected during treadmill walking was used to calculate two measures of the complexity of muscle co-activations during walking for 36 adults: (1) the number of muscle synergies and (2) the dynamic motor control index. Study participants were grouped into young (18-35 years old), young-old (65-74 years old), and old-old (75+ years old) subsets. We found that the dynamic motor control index [χ |
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Language | English |
Publishing date | 2021-07-22 |
Publishing country | Switzerland |
Document type | Journal Article |
ZDB-ID | 2558898-9 |
ISSN | 1663-4365 |
ISSN | 1663-4365 |
DOI | 10.3389/fnagi.2021.678525 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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