Noninvasive determination of exercise-induced hydrodgen ion threshold through direct optical measurement

• Published in: Journal of applied physiology (1985) Vol. 104; no. 3; pp. 837 - 844
• Main Authors: Soller, Babs R, Yang, Ye, Lee, Stuart M. C, Wilson, Cassie, Hagan, R. Donald
• Format: Journal Article
• Language: English
• Published: Bethesda, MD Am Physiological Soc 01.03.2008; American Physiological Society
• Subjects: Adult; Anaerobic Threshold; Biological and medical sciences; Blood; Carbon dioxide; Exercise; Exercise - physiology; Extracellular Fluid - metabolism; Feasibility Studies; Female; Fundamental and applied biological sciences. Psychology; Gas exchange; Hand Strength; Humans; Hydrogen; Hydrogen ion concentration; Hydrogen ions; Ions; Lactic Acid - metabolism; Male; Models, Biological; Muscle Contraction; Muscle, Skeletal - metabolism; Oxygen; Oxygen Consumption; Oxygen uptake; Pulmonary Gas Exchange; Quadriceps Muscle - metabolism; Spectroscopy, Near-Infrared; Spectrum analysis; United States; United States; Physical exercise; near-infrared spectroscopy; Cyclism; Carbon dioxide; cycling; Lactates; Optical measurement; Sport; Vertebrata; Mammalia; Anaerobic threshold; pH; lactate
• ISSN: 8750-7587; 1522-1601
• DOI: 10.1152/japplphysiol.00849.2007

1 Department of Anesthesiology, University of Massachusetts Medical School, Worcester, Massachusetts; and 2 Wyle Laboratories, 3 JES Tech, and 4 National Aeronautic and Space Administration Johnson Space Center, Houston, Texas Submitted 7 August 2007 ; accepted in final form 14 December 2007 The int...