Assessment of the exercise intensity?

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Thom Rieck

You should be able to estimate VO2/VO2max via treadmill speed

https://core.ac.uk/download/pdf/37513633.pdf

Sarah Mahboubi

Thom Rieck Thanks Thom

Samuel Bimpong

In addition to Thom's answer, this can also be useful: Physical Therapy, Volume 80, Issue 8, 1 August 2000, Pages 782–807, https://doi.org/10.1093/ptj/80.8.782

Jonathan David Binnington

If you have experienced athlete runners on your treadmill they will know by their perception of effort where they are on their VO2 graph. Additionally you can make some close estimates of VO2 uptake graphs from heart rate with some prior calibration runs. Again use experienced runners, ideally with some knowledge of exercise physiology who can help with “running on perceived effort” - RPE. Approach a local triathlon club, make it a longitudinal study. Training motivations are hard to find these (coronavirus) times!

Jonathan David Binnington - how do you get RPE from rats? :)