Svein Arne Pettersen

Validity and reliability of the Vyntus CPX metabolic gas analyzer compared with the Douglas Bag method

Abstract Aims To validate the Vyntus CPX system against Douglas Bag method. Methods Twelve cycle-trained men and women completed an incremental cycling protocol starting at 50 W, increasing by 50 W every fifth minute up to 350 W or to near exhaustion. After a 5 min break a test o...