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V̇O 2 max (also maximal oxygen consumption, maximal oxygen uptake or maximal aerobic capacity) is the maximum rate of oxygen consumption attainable during physical exertion. [1] [2] The name is derived from three abbreviations: "V̇" for volume (the dot over the V indicates "per unit of time" in Newton's notation), "O 2" for oxygen, and "max" for maximum and usually normalized per kilogram of ...
VO2 max is a measure of how much oxygen your body absorbs and uses while you work out. (V stands for “volume” while “O2” is for oxygen.) (V stands for “volume” while “O2” is for ...
As the intensity level of the activity being performed increases, breathing becomes faster; more steadily first and then more rapid as the intensity increases. When breathing surpasses normal ventilation rate, one has reached ventilatory threshold. For most people this threshold lies at exercise intensities between 50% and 75% of VO 2 max. A ...
Arteriovenous oxygen difference is also used in other areas of study such as medicine and medical research. For example, the a-vO 2 diff has been used to measure cerebral blood flow in comatose patients, assisting with their diagnosis and treatment. [2] The a-vO 2 diff has also been used to determine the effects of physical training in coronary ...
Why does VO2 max decline as you age? Like many markers of health and fitness, VO₂ max naturally declines as you age. “VO₂ max tends to peak for men in their mid-to-late 20s.
Deputy Editor Tara Seplavy and Senior Test Editor Dan Chabanov dive into VO2 max for training, quick links for chains, and replacing your bike computer.
VO 2 max is the most commonly accepted indicator of CRF and has been since the 1960s. [15] Cardiopulmonary exercise testing (CPET) with spirometry is the gold standard for determining VO 2 max. It requires the individual to perform exercise with analysis of gas exchange usually until maximal exertion is achieved.
The higher your VO2 max, the more oxygen your cardiovascular system can deliver to your muscles - which means they can work harder and last longer.