Feldmann, Andri; Schmitz, Roger; Erlacher, Daniel (2019). Near-infrared spectroscopy-derived muscle oxygen saturation on a 0% to 100% scale: reliability and validity of the Moxy Monitor. Journal of biomedical optics, 24(11), pp. 1-11. SPIE International Society for Optical Engineering 10.1117/1.JBO.24.11.115001
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Near-infrared spectroscopy (NIRS) to monitor muscle oxygen saturation (SmO2) is rapidly expanding into applied sports settings. However, the technology is limited due to its inability to convey quantifiable values. A test battery to assess reliability and validity of a 0% to 100% scale modeled by a commercially available NIRS device was established. This test battery applies a commonly used technique, the arterial occlusion method (AOM) to assess repeatability, reproducibility, and face validity. A total of 22 participants completed the test battery to scrutinize the 0% to 100% scale provided by the device. All participants underwent repeated AOM tests in passive and active conditions. The SmO2 minimum and SmO2 maximum values were obtained from the AOM and were used in the subsequent analysis. Repeatability and reproducibility were tested for equivalency and Bland–Altman plots were generated. Face validity was assessed by testing SmO2 values against an a priori defined threshold for mixed venous blood during AOM response. The device exhibits an appropriately functional 0% to 100% scale that is reliable in terms of repeatability and reproducibility. Under the conditions applied in the test battery design, the device is considered valid for application in sports.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
07 Faculty of Human Sciences > Institute of Sport Science (ISPW) 07 Faculty of Human Sciences > Institute of Sport Science (ISPW) > Movement and Exercise Science |
UniBE Contributor: |
Feldmann, Andri Matthias, Erlacher, Daniel |
Subjects: |
500 Science > 570 Life sciences; biology 700 Arts > 790 Sports, games & entertainment |
ISSN: |
1083-3668 |
Publisher: |
SPIE International Society for Optical Engineering |
Language: |
English |
Submitter: |
Andri Matthias Feldmann |
Date Deposited: |
15 Apr 2020 09:44 |
Last Modified: |
05 Dec 2022 15:37 |
Publisher DOI: |
10.1117/1.JBO.24.11.115001 |
PubMed ID: |
31741352 |
Uncontrolled Keywords: |
muscle oxygen saturation; oxygenation; oximetry; physiological calibration. |
BORIS DOI: |
10.7892/boris.141870 |
URI: |
https://boris.unibe.ch/id/eprint/141870 |
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