Originally Posted by
Doge
Are you faking it or are you changing it?
hard to say --i'm not sure where the line is in this circumstance. if i don't drink water for a day to go up a hill faster (possibly misguided), have i faked my weight or changed it?
typical spo2 devices are measuring at the fingertip. the device would read higher with a little pressure breathing, so did that mean that more saturated blood was circulating to my fingertips? how long would it last? did it result in a material performance gain?
i don't know--it was all a bit of a game at the time, but we did use it to detect more serious issues (e.g. 50% and below) at elevation...stuff that can get you killed rather than the difference between 95 & 98%.
the device measures SOMETHING...but point-in-time measurement is a potential issue depending on one's goals. continuous monitoring is another matter.