Association football (soccer) field dimensions. A football pitch (also known as a football field or soccer field) is the playing surface for the game of football made of turf. Its dimensions and markings are defined by Law 1 of the Laws of the Game, The Field of Play. All line markings on the pitch form part of the area which they define.
VO2 max is considered to be the most valid measure of cardiorespiratory fitness. It measures the capacity of the heart, lungs, and blood to transport oxygen to the working muscles, and measures the utilization of oxygen by the muscles during exercise. One way to test is using the Rockport Fitness test.
We'll examine each component in more detail. Let's discuss the first component of cardiorespiratory fitness. Your body's ability to transport oxygen to your muscles is dependent on the coordinated activities of your heart, arteries, veins, and lungs. The process works like this: You breathe air into your lungs.