AUTHOR=Ladriñán-Maestro Arturo , Sánchez-Infante Jorge , Martín-Vera Daniel , Del-Blanco-Muñiz José Ángel , Merino-Andrés Javier , Sánchez-Sierra Alberto TITLE=Influence of an inspiratory muscle fatigue protocol on older adults on respiratory muscle strength and heart rate variability. A randomized controlled trial JOURNAL=Frontiers in Neuroscience VOLUME=18 YEAR=2024 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2024.1423927 DOI=10.3389/fnins.2024.1423927 ISSN=1662-453X