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VO2 Max: What Is VO2 Max? | Fitness, Health & Exercise Glossary

What is VO2 Max and How Does It Work?

Definition of VO2 Max

VO₂ Max is the maximum capacity of an individual’s body to transport and utilize oxygen during exercise.  

Vo2 max is considered the standard indicator of cardiovascular or cardiorespiratory endurance and fitness.  Vo2 Max determines a person or athlete’s ability to perform prolonged aerobic activity.  VO2 Max is also known as known as maximal oxygen uptake, aerobic capacity, or maximal oxygen consumption.

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EPOC: Excess Post-Exercise Oxygen Consumption | Fitness, Health & Exercise Glossary

What Is EPOC or Excess Post-Exercise Oxygen Consumption?

Definition of EPOC

EPOC, or Excess Post-Exercise Oxygen Consumptionis a measure of increased oxygen consumption after exercise or strenuous activity.  EPOC is also accompanied by a post-exercise increase in energy or fuel consumption  (also characterized as an increase in metabolism.)  EPOC is also known as “oxygen debt” or “oxygen deficit.”  In bodybuilding and fitness training circles it may also be called “exercise afterburn.”

Understanding Excess Post-Exercise Oxygen Consumption (EPOC)

EPOC occurs after both aerobic (cardiovascular) exercise and anaerobic exercise like weight training. 

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