Effects of Hypoxia on the Onset of Muscle Deoxygenation and the Lactate Threshold

Kent A. Lorenz; Clifford Hom; Jon Lopez; Robert S. Pozos; Michael J. Buono; Fred W. Kolkhorst

doi:10.2170/physiolsci.SC008306

Short Communications

Effects of Hypoxia on the Onset of Muscle Deoxygenation and the Lactate Threshold

Kent A. Lorenz, Clifford Hom, Jon Lopez, Robert S. Pozos, Michael J. Buono, Fred W. Kolkhorst

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Keywords: near-infrared spectroscopy (NIRS), tissue saturation, exercise

JOURNAL FREE ACCESS

2006 Volume 56 Issue 4 Pages 321-323

DOI https://doi.org/10.2170/physiolsci.SC008306

View "Advance Publication" version (August 24, 2006).

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Abstract

Six subjects performed two trials of incremental cycling to exhaustion under normoxic and hypoxic conditions. The lactate threshold and onset of muscle deoxygenation were highly correlated under both conditions, and during the hypoxic condition both variables shifted leftward.

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