Dr. Alyssa Olenick
speaker
1,412 appearances
1 recordings
1 series
first heard Jul 2026
last heard 7 Jul
Dr. Alyssa Olenick’s voice in public audio — every appearance, attributed to the second.
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But gradually over time, you'll start to deplete your glycogen levels and your muscle cells.
You'll start to kind of shift towards, you know, depending on
If you're taking a nutrition or not, you'll shift to pref preferentially using a little bit more glucose as you go, or having to rely more on fat oxidation because you don't have enough glucose available.
But then usually you'll start to slow down or bonk or kind of hit that wall.
So these things are kind of dynamically happening here in our bodies.
But the reason I brought up the oxygen thing earlier is that.
This differs person to person, right?
This ability to oxidize fat for a long period of time during exercise or when that crossover happens or something that people might hear of of the lactate threshold.
A lot of these are just indirect physiological markers of talking about what's metabolically happening in the muscle and what we can do.
And can I ask you a question before we continue?
Yeah.
A good example of somebody like we just talked about the elite marathoners, right?
Those guys probably preferentially are born with a ton of type one muscle fibers.
So they're gonna be more predominantly probably off the get-go.
predisposed to mitochondria, fat oxidation, all of those things, but they're probably not gonna go and become like an elite powerlifter, right?
With really powerful type two muscle fiber.
So there is that genetic component of
What's the muscle fibers that you were born with, right?
What are you pre like disposed to adapt to and respond to?
So there is a little bit of that, right?
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