Changes in Muscle Oxygen Saturation Measured Using Wireless Near-Infrared Spectroscopy in Resistance Training: A Systematic Review
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AuthorMiranda Fuentes, Claudia; Chirosa Ríos, Luis Javier; Guisado Requena, Isabel María; Delgado Floody, Pedro; Jerez Mayorga, Daniel
Resistance trainingTissue saturationHemoglobin
Miranda-Fuentes, C.; Chirosa-Ríos, L.J.; Guisado-Requena, I.M.; Delgado-Floody, P.; Jerez-Mayorga, D. Changes in Muscle Oxygen Saturation Measured Using Wireless Near-Infrared Spectroscopy in Resistance Training: A Systematic Review. Int. J. Environ. Res. Public Health 2021, 18, 4293. [https://doi.org/10.3390/ijerph18084293]
SponsorshipDGI-University Andres Bello DI-6-20/CBC
Background: This study aimed to report, through a systematic review of the literature, the baseline and final reference values obtained by near-infrared spectroscopy (NIRS) of muscle oxygen saturation (SmO2) during resistance training in healthy adults. Methods: Original research studies were searched from four databases (Scopus, PubMed, WOS, and SportDiscus). Subsequently, three independent reviewers screened the titles and abstracts, followed by full-text reviews to assess the studies' eligibility. Results: Four studies met the inclusion criteria, data were extracted and methodological quality was assessed using the Downs and Black scale. Muscle oxygen saturation (% SmO2) during reported muscle strength exercises showed a decreasing trend after a muscle strength protocol; that is, before the protocol (range = 68.07-77.9%) and after (range = 9.50-46.09%). Conclusions: The trend of the SmO2 variables is to decrease after a muscle strength protocol. Studies are lacking that allow expanding the use of these devices during this type of training.