This video will show you how you can determine the cardiorespiratory fitness of an individual by performing a lab test and using specialized equipment to measure the gas exchange across the lungs.
Before you start watching this video, I recommend you to watch the Youtube videos entitled “Why measuring VO2max” (https://youtu.be/zOj4fc6nDH0) and the one that is called “VO2max measured with the Jaeger Oxycon Pro” (https://youtu.be/Vb4E9CEDX7M).