Reliability of near-infrared spectroscopy for measuring biceps brachii oxygenation during sustained and repeated isometric contractions

Muthalib, Makii, Millet, Guillaume Y., Quaresima, Valentina and Nosaka, Kazunori 2010, Reliability of near-infrared spectroscopy for measuring biceps brachii oxygenation during sustained and repeated isometric contractions, Journal of biomedical optics, vol. 15, no. 1, pp. 1-8, doi: 10.1117/1.3309746.

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Title Reliability of near-infrared spectroscopy for measuring biceps brachii oxygenation during sustained and repeated isometric contractions
Author(s) Muthalib, Makii
Millet, Guillaume Y.
Quaresima, Valentina
Nosaka, Kazunori
Journal name Journal of biomedical optics
Volume number 15
Issue number 1
Article ID 017008
Start page 1
End page 8
Total pages 8
Publisher International Society for Optical Engineering
Place of publication Bellingham, Wash.
Publication date 2010-01
ISSN 1560-2281
Keyword(s) Adult
Analysis of Variance
Humans
Isometric Contraction
Male
Muscle, Skeletal
Oxygen
Reproducibility of Results
Spectroscopy, Near-Infrared
Torque
tissue oxygenation index
oxidative metabolism
coefficient of variation
Bland-Altman plots
Summary We examine the test-retest reliability of biceps brachii tissue oxygenation index (TOI) parameters measured by near-infrared spectroscopy during a 10-s sustained and a 30-repeated (1-s contraction, 1-s relaxation) isometric contraction task at 30% of maximal voluntary contraction (30% MVC) and maximal (100% MVC) intensities. Eight healthy men (23 to 33 yr) were tested on three sessions separated by 3 h and 24 h, and the within-subject reliability of torque and each TOI parameter were determined by Bland-Altman+/-2 SD limits of agreement plots and coefficient of variation (CV). No significant (P>0.05) differences between the three sessions were found for mean values of torque and TOI parameters during the sustained and repeated tasks at both contraction intensities. All TOI parameters were within+/-2 SD limits of agreement. The CVs for torque integral were similar between the sustained and repeated task at both intensities (4 to 7%); however, the CVs for TOI parameters during the sustained and repeated task were lower for 100% MVC (7 to 11%) than for 30% MVC (22 to 36%). It is concluded that the reliability of the biceps brachii NIRS parameters during both sustained and repeated isometric contraction tasks is acceptable.
Language eng
DOI 10.1117/1.3309746
Field of Research 0205 Optical Physics
1113 Ophthalmology And Optometry
0903 Biomedical Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, Society of Photo-Optical Instrumentation Engineers
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090057

Document type: Journal Article
Collections: School of Psychology
School of Exercise and Nutrition Sciences
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