Professor Brian Whipp Comments: The term 'Vmax' is being over (and wrongly used). The term 'VO2peak' is almost an endangered species. This article explains the difference between the two.
Dr Marshall Riley Comments: This is one perspective. It is a controversial issue in terms of axes and graph position. Please look at 'Principles of Exercise Testing and Interpretation' 4th edition. Wasserman et al.
Professor B Whipp Exclusive to ISEIRE The term VO2 max has almost become common English usage for the highest VO2 obtained during a CPET. This article clearly explains the difference between VO2 max and VO2 peak.