TY - GEN AU - Soller,Babs R AU - Yang,Ye AU - Lee,Stuart M C AU - Wilson,Cassie AU - Hagan,R Donald TI - Noninvasive determination of exercise-induced hydrodgen ion threshold through direct optical measurement SN - 8750-7587 PY - 2008///0523 KW - Adult KW - Anaerobic Threshold KW - Exercise KW - physiology KW - Extracellular Fluid KW - metabolism KW - Feasibility Studies KW - Female KW - Hand Strength KW - Humans KW - Hydrogen-Ion Concentration KW - Lactic Acid KW - Male KW - Models, Biological KW - Muscle Contraction KW - Muscle, Skeletal KW - Oxygen Consumption KW - Pulmonary Gas Exchange KW - Quadriceps Muscle KW - Spectroscopy, Near-Infrared KW - United States N1 - Publication Type: Comparative Study; Journal Article; Multicenter Study; Research Support, U.S. Gov't, Non-P.H.S.; Validation Study UR - https://doi.org/10.1152/japplphysiol.00849.2007 ER -