Abstract
The features of the spatial-temporal structuring of intermuscular interaction during locomotion in conditions of full and partial unloading of body weight were studied. The extraction of muscle synergies was performed using the principal component analysis. It is established that the stability of muscle modules and stereotypical patterns of their temporary activation with varying degrees of afferentation are due to the implementation of motor synergy programs. It was revealed that only the presence, but not the power of the afferent flow from the receptor complex of the lower extremities makes a significant contribution to the formation of inter-extremity synergetic patterns and regulation of the degree of involvement of muscles in synergy. The formation of various time profiles in the structure of synergies is due to the redundancy of the organization of control structures, thanks to which reliable management of physiological functions is carried out. The implementation of synergy programs weakly depends on the magnitude and nature of proprioceptive and supportive afferentation. Only the presence, but not the power, of the afferent flow from the receptor complex of the lower extremities makes a significant contribution to the formation of interfacial synergetic patterns and the regulation of the degree of muscle involvement in synergy.
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ACKNOWLEDGMENTS
The author expresses his gratitude to the staff of the Research Institute of Problems of Sport and Recreational Physical Education of the Velikiye Luki State Academy of Physical Education and Sports A.M. Pukhov, S.M. Ivanov for their help in organizing the research.
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Financing was carried out within the framework of planned work of FSBEIoHE Velikiye Luki State Academy of Physical Education and Sports.
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S.A.M.—planning, organization and participation in conducting experiments, recording and analysis of the obtained data, data processing, preparation of the manuscript text.
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All studies were performed in compliance with the requirements and principles of biomedical ethics, formulated in the Helsinki Declaration of 1964, and approved by the Bioethics Committee of FSBEIoHE “VLSAoPE”, protocol no. 4 of September 13, 2022. Each participant provided voluntary written informed consent for participation in the studies.
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Translated by A. Dyomina
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Moiseev, S.A. The Role of Supporting Afferentation in the Formation of Muscle Synergies Patterns in Locomotion. J Evol Biochem Phys 60, 151–161 (2024). https://doi.org/10.1134/S0022093024010113
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DOI: https://doi.org/10.1134/S0022093024010113