I suppose the ability to "run" the test depends on the health of the patient. But, the test is supposed to reveal the health of the patient. It's a vicious circle. You're on a treadmill before you get on the treadmill.
I completed the thing to the end. My doctor was impressed. He said most people have to stop before the jogging stage. My weight is also an issue. My wife says I'm too thin! The doc says "never too rich, never too thin" unless you're anorexic.
