ArticleExperimental brain research2015
Intermuscular coherence contributions in synergistic muscles during pedaling.
Article in Experimental brain research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed.
- Network integration and evolution of organ systems interactions during incremental exercise.European journal of applied physiology · 2026Article
- Intra- and Inter-Individual Spectral Pattern Variability of sEMG in Elbow Flexor Motor Tasks.Sensors (Basel, Switzerland) · 2026Article
- Modulation of individual and synchronized activities of ankle plantarflexors during quiet standing in aroused emotions.Experimental brain research · 2025Article
- The role of muscle synergies and task constraints on upper limb motor impairment after stroke.Experimental brain research · 2025Article
- Intermuscular coherence during arm movement changes significantly with shoulder abduction and age, but not with limb dominance.Frontiers in physiology · 2025Article
- Frequency-specific intermuscular coherence of synergistic muscles during an isometric force generation task.Frontiers in neural circuits · 2025Article
- Correlation analysis of upper limb muscle activation in the frequency domain in wheelchair fencers.Frontiers in human neuroscience · 2025Article
- Muscle Synergy during Wrist Movements Based on Non-Negative Tucker Decomposition.Sensors (Basel, Switzerland) · 2024Article
- The neuromechanical of Beta-band corticomuscular coupling within the human motor system.Frontiers in neuroscience · 2024Review
- Assessment of Muscle Coordination Changes Caused by the Use of an Occupational Passive Lumbar Exoskeleton in Laboratory Conditions.Sensors (Basel, Switzerland) · 2023Article
- Muscle synergies are associated with intermuscular coherence and cortico-synergy coherence in an isometric upper limb task.Experimental brain research · 2023Article
- Estimation of Time-Frequency Muscle Synergy in Wrist Movements.Entropy (Basel, Switzerland) · 2022Article
- Temporal control of muscle synergies is linked with alpha-band neural drive.The Journal of physiology · 2021Article
- How to improve the muscle synergy analysis methodology?European journal of applied physiology · 2021Review
- Intermuscular coherence between homologous muscles during dynamic and static movement periods of bipedal squatting.Journal of neurophysiology · 2020Article
- Coordination amongst quadriceps muscles suggests neural regulation of internal joint stresses, not simplification of task performance.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Parkinson's Disease Exhibits Amplified Intermuscular Coherence During Dynamic Voluntary Action.Frontiers in neurology · 2020Article
- Muscle Synergies and Coherence Networks Reflect Different Modes of Coordination During Walking.Frontiers in physiology · 2020Article
- Characterization of the Adaptation to Visuomotor Rotations in the Muscle Synergies Space.Frontiers in bioengineering and biotechnology · 2020Article
- Fatigue Influences the Recruitment, but Not Structure, of Muscle Synergies.Frontiers in human neuroscience · 2018Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The execution of rhythmical motor tasks requires the control of multiple skeletal muscles by the Central Nervous System (CNS), and the neural mechanisms according to which the CNS manages their coordination are not completely clear yet. In this study, we analyze the distribution of the neural drive shared across muscles that work synergistically during the execution of a free pedaling task. Electromyographic (EMG) activity was recorded from eight lower limb muscles of eleven healthy untrained participants during an unconstrained pedaling exercise. The coordinated activity of the lower limb muscles was described within the framework of muscle synergies, extracted through the application of nonnegative matrix factorization. Intermuscular synchronization was assessed by calculating intermuscular coherence between pairs of EMG signals from co-active, both synergistic and non-synergistic muscles within their periods of co-activation. The spatiotemporal structure of muscle coordination during pedaling was well represented by four muscle synergies for all the subjects. Significant coherence values within the gamma band (30-60 Hz) were identified only for one out of the four extracted muscle synergies. This synergy is mainly composed of the activity of knee extensor muscles, and its function is related to the power production and crank propelling during the pedaling cycle. In addition, a significant coherence peak was found in the lower frequencies for the GAM/SOL muscle pair, possibly related to the ankle stabilizing function of these two muscles during the pedaling task. No synchronization was found either for the other extracted muscle synergies or for pairs of co-active but non-synergistic muscles. The obtained results seem to suggest the presence of intermuscular synchronization only when a functional force production is required, with the observed gamma band contribution possibly reflecting a cortical drive to synergistic muscles during pedaling.
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