ArticleFrontiers in physiology2020
Muscle Synergies and Coherence Networks Reflect Different Modes of Coordination During Walking.
Article in Frontiers in physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 73 citations in OpenAlex.
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- Network Reconfiguration Underlies Compensatory Muscle Control Across Force Gradients: Parallel Functional Network Evidence from EEG and sEMG.Annals of biomedical engineering · 2026Article
- Networks of respiratory-muscular coupling in exercise and fatigue in young adults.Physiological reports · 2026Article
- Adult spinal deformity is associated with reduced muscle synergies.Spine deformity · 2026Article
- Optimization and control of actuator networks in variable geometry truss systems using genetic algorithms.Nature communications · 2025Article
- Networks of intermuscular coordination distinguish male and female responses to exercise.Scientific reports · 2025Article
- Slowing down in PNP: relationship of joint velocities in an arm-movement test and the fast TUG test.Scientific reports · 2025Article
- Reduced Motor Individuality in Older Adults Revealed by Network-Based Gait Fingerprinting.Medicina (Kaunas, Lithuania) · 2025Article
- A multimodal biomechanical and eye-tracking dataset of suprapostural coordination in healthy young adults.Scientific data · 2025Article
- Bimanual coordination and neuromuscular synchronization in Parkinson's disease and healthy adults.Experimental brain research · 2025Article
- Modulating arm swing via haptic cueing alters interlimb neural coupling in older adults.Frontiers in physiology · 2025Article
- Frequency-specific intermuscular coherence of synergistic muscles during an isometric force generation task.Frontiers in neural circuits · 2025Article
- Alterations of upper-extremity functional muscle networks in chronic stroke survivors.Experimental brain research · 2024Article
- Dynamical network-based evaluation for neuromuscular dysfunction in stroke-induced hemiplegia during standing.Journal of neuroengineering and rehabilitation · 2024Article
- Lateralized modulation of cortical beta power during human gait is related to arm swing.iScience · 2024Article
- Investigating the impact of external load on muscle synergies during bipedal squats.European journal of applied physiology · 2024Article
- Rectified Latent Variable Model-Based EMG Factorization of Inhibitory Muscle Synergy Components Related to Aging, Expertise and Force-Tempo Variations.Sensors (Basel, Switzerland) · 2024Article
- Network of muscle fibers activation facilitates inter-muscular coordination, adapts to fatigue and reflects muscle function.Communications biology · 2023Article
- Development of running is not related to time since onset of independent walking, a longitudinal case study.Frontiers in human neuroscience · 2023Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When walking speed is increased, the frequency ratio between the arm and leg swing switches spontaneously from 2:1 to 1:1. We examined whether these switches are accompanied by changes in functional connectivity between multiple muscles. Subjects walked on a treadmill with their arms swinging along their body while kinematics and surface electromyography (EMG) of 26 bilateral muscles across the body were recorded. Walking speed was varied from very slow to normal. We decomposed EMG envelopes and intermuscular coherence spectra using non-negative matrix factorization (NMF), and the resulting modes were combined into multiplex networks and analyzed for their community structure. We found five relevant muscle synergies that significantly differed in activation patterns between 1:1 and 2:1 arm-leg coordination and the transition period between them. The corresponding multiplex network contained a single module indicating pronounced muscle co-activation patterns across the whole body during a gait cycle. NMF of the coherence spectra distinguished three EMG frequency bands: 4-8, 8-22, and 22-60 Hz. The community structure of the multiplex network revealed four modules, which clustered functional and anatomical linked muscles across modes of coordination. Intermuscular coherence at 4-22 Hz between upper and lower body and within the legs was particularly pronounced for 1:1 arm-leg coordination and was diminished when switching between modes of coordination. These findings suggest that the stability of arm-leg coordination is associated with modulations in long-distant neuromuscular connectivity.
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