The Hardest Fitness Test on the Planet, and How SmO2, NIRS Wearables Could Inform Training of the Future

December 2, 2021 by
Photo Credit: Humon

Imagine this test:

You warm up for 5-10 minutes at an easy to moderate effort on a bike ergometer, rest for 5 minutes, and then ride for 3 minutes at an all-out effort. Not a “hard effort for 3 minutes,” I mean a 100% effort with every single pedal stroke. An all out 10 seconds that turns into 30 seconds that turns into 90 and then 180. The whole point of the test is that it is an all-out test and it shouldn’t stop being an all-out test until the test is over. It is absolutely one of the most horrendous tests that exists.

At the end of the test, when output is plotted against time, you will end up with a graph like this:

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