patrick.net

Uh what were you saying? Sorry, I got distracted.

Al_Sharpton_for_President says

The first 5-6 of high intensity intervals, my HR gets jacked to around 165-168 bpm, but for the remainder of the high intensity intervals, it settles down 110-115, even though the resistance and elevation settings are the same. I am looking for a physiological explanation for this. Does anyone have any ideas?

@Al_Sharpton_for_President

I've noticed similar things myself, and I remember from biochem that hemoglobin has multiple possible states and moves between them based on blood acidity iirc.

So it could be that when you start working out, your hemoglobin is in some state that doesn't bind oxygen as well, requiring a greater heart rate. But then later after you've been working out, you've altered your hemoglobin so that it binds oxygen better and your heart doesn't need to pump as much.

Or something like that. Basically, you've "warmed up".

Al_Sharpton_for_President says

Caffeine and cardio - there must be studies showing a benefit.

I had a co-worker who was a semi-pro biker (sometimes won prize money). He swore that he had consistently better times if he was amped up on caffeine.

All I can think about in this thread is fleshlights. I have to keep going back to the beginning to realize its nominally about jogging shoes.

The girl at the top reminds me of one of my neices. She's half white and half spanish. Very attractive.

Patrick says

I had a co-worker who was a semi-pro biker (sometimes won prize money). He swore that he had consistently better times if he was amped up on caffeine.

Yeah.... Caffine ;) That's what did it.... https://en.wikipedia.org/wiki/Doping_at_the_Tour_de_France

That's just the big race. They all do drugs. Bikers are weirdos. As weird as it sounds I don't trust them as humans. The people I know that bike frequently are all proven liars.

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https://arnoldspumpclub.com/blogs/newsletter/preworkout-actually-work

Oh lord. Where do you find these? I want to bookmark that site.