Muscle Oximetry in Sports Science: A Systematic Review

Perrey, Stéphane; Ferrari, Marco

doi:10.1007/s40279-017-0820-1

Cited by 166 publications

(211 citation statements)

References 89 publications

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“…Commercial muscle NIRS devices with larger source-detection distances are widely available. 6 Future studies should measure TSI trend during dynamic exercise of those with ATT between 7 and 15 mm and determine whether the influence of ATT can be removed by applying an ischemic calibration as has been shown previously for muscle oxygen consumption measurements previously. 55 …”

Section: Real World Applicationsmentioning

confidence: 99%

“…5 The use of NIRS as a research tool is well established for studying exercise physiology changes in groups of subjects. 1,6 Sports science applications could include monitoring changes in muscle blood flow and oxidative capacity as a function of training. 4 In support of this, positive peripheral muscle oxygenation adaptations have been reported as a consequence of cycling sprint interval training, demonstrating that NIRS has the potential to assess the effectiveness of training interventions at the level of the individual athlete.…”

Section: Introductionmentioning

confidence: 99%

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Performance comparison of the MOXY and PortaMon near-infrared spectroscopy muscle oximeters at rest and during exercise

2018

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Abstract. The purpose of the study was to compare muscle oxygenation as measured by two portable, wireless near-infrared spectroscopy (NIRS) devices under resting and dynamic conditions. A recently developed low-cost NIRS device (MOXY) was compared against an established PortaMon system that makes use of the spatially resolved spectroscopy algorithm. The influence of increasing external pressure on tissue oxygen saturation index (TSI) indicated that both devices are stable between 2 and 20 mmHg. However, above this pressure, MOXY reports declining TSI values. Analysis of adipose tissue thickness (ATT) and TSI shows a significant, nonlinear difference between devices at rest. The devices report similar TSI (%) values at a low ATT (<7 mm) (PortaMon minus MOXY difference is þ1.1 AE 2.8%) with the major subsequent change between the devices occurring between 7 and 10 mm; at ATT values >10 mm the difference remains constant (−14.7 AE 2.8%). The most likely explanation for this difference is the small source-detector separation (2.5 cm) in the MOXY resulting in lower tissue penetration into muscle in subjects with higher ATT. Interday test-retest reliability of resting TSI was evaluated on five separate occasions, with the PortaMon reporting a lower coefficient of variation (1.8% to 2.5% versus 5.7% to 6.2%). In studies on male subjects with low ATT, decreases in the TSI were strongly correlated during isometric exercise, arterial occlusion, and incremental arm crank exercise. However, the MOXY reports a greater dynamic range, particularly during ischemia induced by isometric contraction or occlusion (Δ74.3% versus Δ43.7%; hyperemia MAX-occlusion MIN). This study shows that in this subject group both MOXY and PortaMon produce physiologically credible TSI measures during rest and exercise. However, the absolute values obtained during exercise are generally not comparable between devices unless corrected by physiological calibration following an arterial occlusion. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Real World Applicationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance comparison of the MOXY and PortaMon near-infrared spectroscopy muscle oximeters at rest and during exercise

2018

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“…The fNIRS technology takes advantage of the transparency property of the skin and bones to NIR light, and has been used in many different fields and applications, including the investigation of muscle physiology (see Ref. ) and the clinical monitoring of cerebral cortex pathophysiology (see Ref. for a review).…”

Section: History and Basics Of Near‐infrared (Nir) Spectroscopymentioning

confidence: 99%

The present and future use of functional near‐infrared spectroscopy (fNIRS) for cognitive neuroscience

Pinti

Tachtsidis

Hamilton

et al. 2018

Annals of the New York Academy of Sciences

732

575

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The past few decades have seen a rapid increase in the use of functional near-infrared spectroscopy (fNIRS) in cognitive neuroscience. This fast growth is due to the several advances that fNIRS offers over the other neuroimaging modalities such as functional magnetic resonance imaging and electroencephalography/magnetoencephalography. In particular, fNIRS is harmless, tolerant to bodily movements, and highly portable, being suitable for all possible participant populations, from newborns to the elderly and experimental settings, both inside and outside the laboratory. In this review we aim to provide a comprehensive and state-of-the-art review of fNIRS basics, technical developments, and applications. In particular, we discuss some of the open challenges and the potential of fNIRS for cognitive neuroscience research, with a particular focus on neuroimaging in naturalistic environments and social cognitive neuroscience.

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“…; Hammer et al. ; Perrey and Ferrari ). NIRS techniques work by delivering light (in the 650–900 nm wavelength range) into the tissue and measuring the diffused light to estimate the absorption and scattering properties of the measured tissue volume (Yodh and Chance ).…”

Section: Introductionmentioning

confidence: 99%

“…A review from Perrey and Ferrari () goes into detail about the different studies that have examined the use of these NIRS devices in athletic training and SmO 2 monitoring. The Portamon and Moxy devices can be manually strapped on to any muscle group and have been used during a variety of activities, including cycling, running, and strength training (Perrey and Ferrari ). The BSX Insight is designed to be worn on the gastrocnemius muscle within a custom‐made compression sleeve and differentiates itself by providing athletes with their lactate threshold when following a given protocol (Borges and Driller ; Driller et al.…”

Section: Introductionmentioning

confidence: 99%

Validation of a novel wearable, wireless technology to estimate oxygen levels and lactate threshold power in the exercising muscle

2018

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There is a growing interest in monitoring muscle oxygen saturation (SmO2), which is a localized measure of muscle oxidative metabolism and can be acquired continuously and noninvasively using near‐infrared spectroscopy (NIRS) methods. Most NIRS systems are cumbersome, expensive, fiber coupled devices, with use limited to lab settings. A novel, low cost, wireless, wearable has been developed for use in athletic training. In this study, we evaluate the advantages and limitations of this new simple continuous‐wave (CW) NIRS device with respect to a benchtop, frequency‐domain near‐infrared spectroscopy (FDNIRS) system. Oxygen saturation and hemoglobin/myoglobin concentration in the exercising muscles of 17 athletic individuals were measured simultaneously with the two systems, while subjects performed an incremental test on a stationary cycle ergometer. In addition, blood lactate concentration was measured at the end of each increment with a lactate analyzer. During exercise, the correlation coefficients of the SmO2 and hemoglobin/myoglobin concentrations between the two systems were over 0.70. We also found both systems were insensitive to the presence of thin layers of varying absorption, mimicking different skin colors. Neither system was able to predict the athletes’ lactate threshold power accurately by simply using SmO2 thresholds. Instead, the proprietary software of the wearable device was able to predict the athletes’ lactate threshold power within half of one power increment of the cycling test. These results indicate this novel wearable device may provide a physiological indicator of athlete's exertion.

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Muscle Oximetry in Sports Science: A Systematic Review

Cited by 166 publications

References 89 publications

Performance comparison of the MOXY and PortaMon near-infrared spectroscopy muscle oximeters at rest and during exercise

Performance comparison of the MOXY and PortaMon near-infrared spectroscopy muscle oximeters at rest and during exercise

The present and future use of functional near‐infrared spectroscopy (fNIRS) for cognitive neuroscience

Validation of a novel wearable, wireless technology to estimate oxygen levels and lactate threshold power in the exercising muscle

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