Physiology and Endurance Athletes - What's Going on Here?

When you get a well trained endurance athlete, their mitochondra is on point. So that's where you're getting above your fat max and you're getting into more glacgen utilization but you're still below this arobic threshold. In order to elevate that, whether it's the cross over point or this kind of vague thing we're talking about,you need to train fairly close to it. That makes a lot of sense. I hadn't thought of it that way, but itt does make sense.