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Repeatability of Brain Activity as Measured by a 32-Channel EEG System during Resistance Exercise in Healthy Young Adults

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  • Christophe Domingos

    (CIEQV, Escola Superior de Desporto de Rio Maior, Instituto Politécnico de Santarém, Av. Dr. Mário Soares nº 110, 2040-413 Rio Maior, Portugal)

  • João Luís Marôco

    (Exercise and Health Sciences Department, University of Massachusetts Boston, Boston, MA 02125, USA)

  • Marco Miranda

    (Department of Physics, Instituto Superior Técnico, University of Lisbon, 1749-016 Lisbon, Portugal
    Department of Bioengineering, LaSEEB-Institute for Systems and Robotics, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal)

  • Carlos Silva

    (CIEQV, Escola Superior de Desporto de Rio Maior, Instituto Politécnico de Santarém, Av. Dr. Mário Soares nº 110, 2040-413 Rio Maior, Portugal)

  • Xavier Melo

    (Centro Interdisciplinar de Estudo da Performance Humana, Faculdade de Motricidade Humana, Universidade de Lisboa, 1496-751 Oeiras, Portugal
    Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz School of Health & Science, Caparica, 2829-511 Almada, Portugal)

  • Carla Borrego

    (CIEQV, Escola Superior de Desporto de Rio Maior, Instituto Politécnico de Santarém, Av. Dr. Mário Soares nº 110, 2040-413 Rio Maior, Portugal)

Abstract

Electroencephalography (EEG) is attracting increasing attention in the sports and exercise fields, as it provides insights into brain behavior during specific tasks. However, it remains unclear if the promising wireless EEG caps provide reliable results despite the artifacts associated with head movement. The present study aims to evaluate the repeatability of brain activity as measured by a wireless 32-channel EEG system (EMOTIV flex cap) during resistance exercises in 18 apparently healthy but physically inactive young adults (10 men and 8 women). Moderate-intensity leg press exercises are performed with two evaluations with 48 h. between. This intensity allows enough time for data analysis while reducing unnecessary but involuntary head movements. Repeated measurements of EEG during the resistance exercise show high repeatability in all frequency bands, with excellent ICCs (>0.90) and bias close to zero, regardless of sex. These results suggest that a 32-channel wireless EEG system can be used to collect data on controlled resistance exercise tasks performed at moderate intensities. Future studies should replicate these results with a bigger sample size and different resistance exercises and intensities.

Suggested Citation

  • Christophe Domingos & João Luís Marôco & Marco Miranda & Carlos Silva & Xavier Melo & Carla Borrego, 2023. "Repeatability of Brain Activity as Measured by a 32-Channel EEG System during Resistance Exercise in Healthy Young Adults," IJERPH, MDPI, vol. 20(3), pages 1-10, January.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:3:p:1992-:d:1043381
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    References listed on IDEAS

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    1. Christophe Domingos & Higino da Silva Caldeira & Marco Miranda & Fernando Melício & Agostinho C. Rosa & José Gomes Pereira, 2021. "The Influence of Noise in the Neurofeedback Training Sessions in Student Athletes," IJERPH, MDPI, vol. 18(24), pages 1-10, December.
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