Work

Synaptic inputs to motor neurons underlying muscle coactivation for functionally different tasks have different spectral characteristics

Year: 2024

Type: article

Abstract: The characterization of the pathways underlying force generation or stiffness modulation are still unknown. In this study, we demonstrated that the common input to motor neurons of antagonist muscles shows a high-frequency component when muscles are coactivated to modulate stiffness but not to generate force. Our results provide novel insights on the neural strategies for the recruitment of multiple muscles by identifying specific spectral characteristics of the synaptic inputs underlying functionally different tasks.

Source: Journal of Neurophysiology

DOI: 10.1152/jn.00199.2023

Authors: Daniele Borzelli, Taian M. M. Vieira, Alberto Botter, Marco Gazzoni, Francesco Lacquaniti, Andrea d’Avella

Institutions: University of Messina, Fondazione Santa Lucia, Politecnico di Torino, University of Rome Tor Vergata

Language: English

Topic: Muscle activation and electromyography studies

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

Funders: Università degli Studi di Roma Tor Vergata, Ministero dell'Università e della Ricerca, HORIZON EUROPE European Research Council

Awards: G4152649070, G4833561687, G4931066594, G7035956625, G7507387837