Reliability of NIRS portable device for measuring intercostal muscles oxygenation during exercise
Abstract
This study assessed the intra-individual reliability of oxygen saturation in intercostal muscles (SmO 2 - m.intercostales ) during an incremental maximal treadmill exercise by using portable NIRS devices in a test-retest study. Fifteen marathon runners (age, 24.9 ± 2.0 years; body mass index, 21.6 ± 2.3 kg·m -2 ; V̇O 2 -peak, 63.7 ± 5.9 mL·kg -1 ·min -1 ) were tested on two separate days, with a 7-day interval between the two measurements. Oxygen consumption (V̇O 2 ) was assessed using the breath-by-breath method during the V̇O 2 -test, while SmO 2 was determined using a portable commercial device, based in the near-infrared spectroscopy (NIRS) principle. The minute ventilation (VE), respiratory rate (RR), and tidal volume (Vt) were also monitored during the cardiopulmonary exercise test. For the SmO 2 - m.intercostales , the intraclass correlation coefficient (ICC) at rest, first (VT1) and second ventilatory (VT2) thresholds, and maximal stages were 0.90, 0.84, 0.92, and 0.93, respectively; the confidence intervals ranged from -10.8% - +9.5% to -15.3% - +12.5%. The reliability was good at low intensity (rest and VT1) and excellent at high intensity (VT2 and max). The Spearman correlation test revealed ( p ≤ 0.001) an inverse association of SmO 2 - m.intercostales with V̇O 2 ( ρ = -0.64), VE ( ρ = -0.73), RR ( ρ = -0.70), and Vt ( ρ = -0.63). The relationship with the ventilatory variables showed that increased breathing effort during exercise could be registered adequately u…
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To obtain sufficient power (β = 0.8, α = 0.05), an a priori sample size calculation was made using previously reported data.
“To obtain sufficient power of β = 0.8 with α = 0.05, an a priori sample size calculation was made in G*Power software (version 3.1.9.7, Kiel, Germany) using previously reported data from other groups that compared SmO2 values within and between sessions during ramp incremental tests and severe intensity efforts (5, 15, 16, 40, 41).”
From Comparing the reliability of muscle oxygen saturation with common performance and physiological markers across cycling exercise intensity (2023) · cites this paper as [40]
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Yogev, A., Arnold, J., Nelson, H., Clarke, D. C., Guenette, J. A., Sporer, B. C., & Koehle, M. S. (2023) · Frontiers in Sports and Active Living · doi:10.3389/fspor.2023.1143393 · Cited by 40 · see citing works
“7, Kiel, Germany) using previously reported data from other groups that compared SmO2 values within and between sessions during ramp incremental tests and severe intensity efforts (5, 15, 16, 40, 41).”
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Contreras-Briceño, F., Espinosa-Ramirez, M., Keim-Bagnara, V., Carreño-Román, M., Rodríguez-Villagra, R., Villegas-Belmar, F., Viscor, G., Gabrielli, L., Andía, M. E., Araneda, O. F., et al. (2022) · Life · doi:10.3390/life12030444 · Cited by 17 · see citing works
Self-citationSendra-Pérez, C., Encarnación-Martínez, A., Oficial-Casado, F., Salvador-Palmer, R., & Priego-Quesada, J. I. (2023) · Physiological Measurement · doi:10.1088/1361-6579/ad1457 · Cited by 9 · see citing works
- Authors
- Contreras-Briceño, F., Espinosa-Ramirez, M., Hevia, G., Llambias, D., Carrasco, M., Cerda, F., López-Fuenzalida, A., García, P., Gabrielli, L., & Viscor, G.
- Affiliations
- Laboratory of Exercise Physiology, Department of Health Science, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Pontificia Universidad Católica de Chile (CL)
- Universitat de Barcelona (ES)
- ORCID
- Venue
- Journal of Sports Sciences
- Publisher
- Informa UK Limited
- Published
- 2019-08-16
- Volume
- 37
- Issue
- 23
- Pages
- 2653-2659
- ISSN
- 0264-0414 (ISSN-L)
- 1466-447X
- OpenAlex
- W2968620153
- Cited by
- 40
- References
- 5
- Citations by year
- 2026: 6 · 2025: 6 · 2024: 7 · 2023: 8 · 2022: 5 · 2021: 5 · 2020: 3
- FWCI
- 4.18
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Sports Sciences (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Universidad de Chile
- Pontificia Universidad Católica de Chile
- Topics
- Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
- Keywords
- near-infrared spectroscopy, muscle oxygen saturation, test-retest reliability, incremental treadmill exercise, ventilatory threshold, oxygen consumption, marathon runners, respiratory effort, respiratory variables
- MeSH terms
- Adult, Exercise Test, Humans, Intercostal Muscles, Male, Oxygen Consumption, Running, Tidal Volume, Work of Breathing, Reproducibility of Results, Exercise, Spectroscopy, Near-Infrared, Athletic Performance, Young Adult, Respiratory Rate
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