ArticleJournal of neuroengineering and rehabilitation2015
Muscle synergies in preparation to a step made with obstacle in elderly individuals.
Article in Journal of neuroengineering and rehabilitation, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed, 11 citations in OpenAlex.
- Investigating Muscle Activation Patterns and Muscle Synergies Pre- and Post-Balance Training in Older Adults.Applied sciences (Basel, Switzerland) · 2025Article
- Muscular and cortical activation during dynamic and static balance in the elderly: A scoping review.Aging brain · 2021Article
- Effect of dance on multi-muscle synergies in older adults: a cross-sectional study.BMC geriatrics · 2019Article
- Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton.Frontiers in neuroscience · 2018Article
- Old adults preserve motor flexibility during rapid reaching.European journal of applied physiology · 2017Article
- Aging effect on muscle synergies in stepping forth during a forward perturbation.European journal of applied physiology · 2017Article
- Effect of plantar cutaneous inputs on center of pressure during quiet stance in older adults.Journal of exercise science and fitness · 2016Article
- Muscle synergies underlying control of taking a step during support surface translation.European journal of applied physiology · 2016Article
Corrections and comments
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo evaluate if multi-muscle synergies are comprised of flexible combinations of a small number of postural muscles to stabilize the center of pressure (COP) shift during preparation to making a step in the elderly (self-paced level stepping vs. obstacle crossing stepping).
methodsElectromyography (EMG) signals of leg and trunk muscles were recorded. Linear combination of integrated indices of muscle activity (M-modes) and their relationship to changes in the COP shift in the anterior-posterior (AP) direction were first determined. Uncontrolled manifold (UCM) analysis was performed to determine the extent to which variance of the M-modes acted to produce a consistent change in the COP displacement.
resultsThe elderly were capable of stabilizing the COPAP coordinate based on co-varied involvement of the M-modes. The synergy index (∆V) changes in the elderly emerged later (100 ms prior to t0) and its magnitude was smaller as compared to that reported in younger persons.
conclusionsOur study reveals that aging is associated with a preserved ability to explore the flexibility of the M-mode compositions but a decrease ability to use multi-M-mode synergies following a predictable perturbation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.