Universal spectral profile and dynamic evolution of muscle activation: a hallmark of muscle type and physiological state
Abstract
To understand coordinated function of distinct fibers in a muscle, we investigated spectral dynamics of muscle activation during maximal exercise across a range of frequency bands and time scales of observation. We discovered a spectral profile that is specific for each muscle type, robust at short, intermediate, and large time scales, universal across subjects, and characterized by a muscle-specific evolution path with accumulation of fatigue and aging, indicating a previously unrecognized multiscale mechanism of muscle tone regulation.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Sep 01, 2020
- Source ID
- 10.1152/japplphysiol.00385.2020
Entities
People
- Carolina Sitges
- Jilin W J L Wang
- Plamen Ch. Ivanov
- Rossella Rizzo
- Sergi Garcia-Retortillo
Organizations
- Boston University
- Bulgarian Academy of Sciences
- Harvard Medical School
- National Institutes of Health
- Office of Naval Research
- University of Barcelona
- University of Calabria
- University of Girona
- W. M. Keck Foundation