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Reliability of the mobile App to measure aerobic training parameters during maximum incremental treadmill test

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Abstract

Background

Mobile Applications (App) have reshaped approaches to the intervention and monitoring of physical training. The Safe Runner App is an example. However, evidence of the reliability of the Safe Runner App to obtain aerobic parameters still needs to be investigated.

Aims

The present study aimed to analyze the accuracy and reproducibility of power parameters and aerobic capacity derived from incremental testing on a treadmill using an application for mobile devices.

Methods

Twenty participants performed a maximum incremental test and retest. Maximum oxygen consumption (VO2MAX), maximum heart rate (HRMAX), maximum velocity (VMAX), anaerobic threshold heart rate (HRAT), and anaerobic threshold velocity (VAT) were estimated. A two-way ANOVA was used for dependent samples or the Friedman test for non-parametric data, and effect size (Cohens-d), intraclass correlation coefficient (ICC), and Bland–Altman were used to verify reliability.

Results

No differences between the test and retest (p > 0.05) were observed for all variables assessed. The variables VO2MAX (d = 0.05), HRMAX (d = 0.01), and VMAX (d = 0.05) showed a trivial effect size, while HRAT (d = 0.11) and VAT (d = 0.16) showed to be trivial/low. The ICC values for VO2MAX (0.996), HRMAX (0.955), HRAT (0.939), VMAX (0.996), and VAT (0.913) demonstrated reliability. The Bland–Altman plots demonstrated an agreement of the variables. The variables VO2MAX, HRAT, and VAT were identical when comparing the Safe Runner App and Excel software.

Conclusion

The Safe Runner App is reliable in identifying aerobic training parameters.

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Data Availability

The authors confirm that the data supporting the findings of this study are available within the article and its supplementary materials.

Abbreviations

ACSM:

American College of Sports Medicine

App:

Mobile application

Cohens-d :

Effect size

HRAT :

Anaerobic threshold heart rate

HRMAX :

Maximum heart rate

ICC:

Intraclass correlation coefficient

MDC:

Minimum detectable change

SEM:

Standard error measurement

V AT :

Anaerobic threshold velocity

V MAX :

Maximum velocity

VO2MAX :

Maximum oxygen consumption

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Acknowledgements

The authors would like to thank the National Council of Scientific Research (CNPq) Brazil for the provision of the scholarship for F.D. and the Programa de Bolsas Universitárias de Santa Catarina (UNIEDU) for the provision of the scholarship for J.S.

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Authors and Affiliations

  1. Laboratório de Biomecânica, Centro de Desportos, Universidade Federal de Santa Catarina, Campus Reitor João David Ferreira Lima, Trindade, Florianópolis, Santa Catarina, CEP: 88040-900, Brazil

    Jader Sant’ Ana & Fernando Diefenthaeler

  2. Centro de Ciências da Saúde e do Esporte, Universidade do Estado de Santa Catarina, Florianópolis, Brazil

    Yasmim Alves Sant’ Ana & Lorival José Carminatti

  3. Instituto de Educação Física e Esportes, Universidade Federal do Ceará, Fortaleza, Ceará, Brazil

    Victor Silveira Coswig

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  1. Jader Sant’ Ana
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  2. Yasmim Alves Sant’ Ana
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  3. Victor Silveira Coswig
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  4. Lorival José Carminatti
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  5. Fernando Diefenthaeler
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Contributions

J.S., Y.A.S., L.J.C., and F.D. conceptualization, methodology, formal analysis, investigation, writing - original draft, writing - review & editing, visualization. V.S.C. validation, resources, writing - review & editing.

Corresponding author

Correspondence to Fernando Diefenthaeler.

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Sant’ Ana, J., Sant’ Ana, Y.A., Coswig, V.S. et al. Reliability of the mobile App to measure aerobic training parameters during maximum incremental treadmill test. Sport Sci Health (2023). https://doi.org/10.1007/s11332-023-01134-z

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