Ok one if the test is not accessible how in the world are we supposed to use it.
Now for a real answer
The test has to be accessible for everyone because the company that made the test is not going g to make money because the average person can ot get to use or buy it.
the answer is the aerobic exercise. when first starting a regime, drs agree that you should start at a slower pace for safety and building up to a more intense exercise, when you gain strength.