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T2 Cycling & Lchf
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<blockquote data-quote="GeoffersTaylor" data-source="post: 1868607" data-attributes="member: 195160"><p>Just consider the maths here. An elite athlete weighing just 50Kg and just 10% body fat still has 5000g of fat. At 9 calories per gramme that's 45000 calories of effort available, even for such a small lean athlete. How much more is there available for the likes of me?</p><p></p><p>I know it's not quite as simple as that but, as you say, the supply is effectively limitless if we can stay in ketosis. Where I think I went wrong on that day is that I over-exerted and depleted my glycogen stores. That's where refuelling comes in, and that's why refueling might have to be carb-based - we're not going to deplete those huge fat stores on any bike ride so there's no need to replenish them on the go. It's the glycogen used at higher intensity that needs replenishing.</p><p></p><p>This is what I'm currently thinking, anyway. I'll just keep experimenting to see if the thinking is sound and keep sharing the outcomes.</p></blockquote><p></p>
[QUOTE="GeoffersTaylor, post: 1868607, member: 195160"] Just consider the maths here. An elite athlete weighing just 50Kg and just 10% body fat still has 5000g of fat. At 9 calories per gramme that's 45000 calories of effort available, even for such a small lean athlete. How much more is there available for the likes of me? I know it's not quite as simple as that but, as you say, the supply is effectively limitless if we can stay in ketosis. Where I think I went wrong on that day is that I over-exerted and depleted my glycogen stores. That's where refuelling comes in, and that's why refueling might have to be carb-based - we're not going to deplete those huge fat stores on any bike ride so there's no need to replenish them on the go. It's the glycogen used at higher intensity that needs replenishing. This is what I'm currently thinking, anyway. I'll just keep experimenting to see if the thinking is sound and keep sharing the outcomes. [/QUOTE]
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