Many runners are perfectly content with their weight, but keep running for other health reasons. When you run regularly, your aerobic capacity increases. The exercise scientists refer to this capacity as maximal oxygen uptake, or VO2 max. Whatever you call it, it refers to your body’s plumbing for aerobic exercise. Runners with a high VO2 max have a plumbing system that allows them to pump large amounts of oxygen-rich blood to working muscles.
With training, you can maximize the size of your pump and the quantity of blood that it transports. With six months to a year of training, previously sedentary people can expect to increase their aerobic capacity by 20 percent to 30 percent. That’s a large part of why you’re able to run substantially farther and faster after a few months of regular running than before you started. For racers, working to improve their VO2 max is one of the most important parts of their training. For our purposes here, though, what’s significant is that as your aerobic capacity increases, your risk for some of the most common debilitating diseases of modern society decreases.
With training, you can maximize the size of your pump and the quantity of blood that it transports. With six months to a year of training, previously sedentary people can expect to increase their aerobic capacity by 20 percent to 30 percent. That’s a large part of why you’re able to run substantially farther and faster after a few months of regular running than before you started. For racers, working to improve their VO2 max is one of the most important parts of their training. For our purposes here, though, what’s significant is that as your aerobic capacity increases, your risk for some of the most common debilitating diseases of modern society decreases.
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