Validity and Reliability of Short-Term Heart Rate Variability Parameters in Older People in Response to Physical Exercise

Matías Castillo-Aguilar, Matías Mabe Castro, Diego Mabe Castro, Pablo Valdés-Badilla, Tomás Herrera-Valenzuela, Eduardo Guzmán-Muñoz, Morin Lang, Oscar Niño Méndez and Cristian Núñez-Espinosa ()
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Matías Castillo-Aguilar: Centro Asistencial de Docencia e Investigación (CADI-UMAG), University of Magallanes, Punta Arenas 6200000, Chile
Matías Mabe Castro: Centro Asistencial de Docencia e Investigación (CADI-UMAG), University of Magallanes, Punta Arenas 6200000, Chile
Diego Mabe Castro: Centro Asistencial de Docencia e Investigación (CADI-UMAG), University of Magallanes, Punta Arenas 6200000, Chile
Pablo Valdés-Badilla: Department of Physical Activity Sciences, Faculty of Education Sciences, Universidad Católica del Maule, Talca 3480094, Chile
Tomás Herrera-Valenzuela: Department of Physical Activity, Sports and Health Sciences, Faculty of Medical Sciences, Universidad de Santiago de Chile (USACH), Santiago de Chile 9170022, Chile
Eduardo Guzmán-Muñoz: Escuela de Kinesiología, Facultad de Salud, Universidad Santo Tomás, Talca 3480094, Chile
Morin Lang: Department of Rehabilitation Sciences and Human Movement, Faculty of Health Sciences, Universidad de Antofagasta, Antofagasta 1270300, Chile
Oscar Niño Méndez: Facultad de Ciencias del Deporte y la Educación Física, Universidad de Cundinamarca, Bogotá 252211, Colombia
Cristian Núñez-Espinosa: Centro Asistencial de Docencia e Investigación (CADI-UMAG), University of Magallanes, Punta Arenas 6200000, Chile

IJERPH, 2023, vol. 20, issue 5, 1-14

Abstract: Background: Currently, and to the best of our knowledge, there is no standardized protocol to measure the effect of low- to moderate-intensity physical exercise on autonomic modulation focused in older people. Aim: Validate a test–retest short-term exercise protocol for measuring the autonomic response through HRV in older people. Methods: A test–retest study design was used. The participants were selected through intentional non-probabilistic sampling. A total of 105 older people (male: 21.9%; female: 78.1%) were recruited from a local community. The assessment protocol evaluated HRV before and immediately after the 2-min step test. It was performed twice on the same day, considering a time of three chronological hours between the two measurements. Results: The posterior distribution of estimated responses in the Bayesian framework suggests moderate to strong evidence favoring a null effect between measurements. In addition, there was moderate to robust agreement between heart rate variability (HRV) indices and assessments, except for low frequency and very low frequency, which showed weak agreement. Conclusions: Our results provide moderate to strong evidence for using HRV to measure cardiac autonomic response to moderate exercise, suggesting that it is sufficiently reliable to show similar results to those shown in this test–retest protocol.

Keywords: older adults; physical activity; heart rate; autonomic nervous system (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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