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So why do we build the metabolic base first?
aka
Why *don't* we do intervals in the winter?
- a brief thread 👇
aka
Why *don't* we do intervals in the winter?
- a brief thread 👇
Above you'll see one of me early metabolic tests from ~16 years ago.
The black is my fat burning, the gray is my CHO burn.
As you can see, in my threshold zone, fat burning dropped to zero and every minute at 280-300W cost me ~20kcal worth of CHO stores, i.e 1200kcal/hr!
The black is my fat burning, the gray is my CHO burn.
As you can see, in my threshold zone, fat burning dropped to zero and every minute at 280-300W cost me ~20kcal worth of CHO stores, i.e 1200kcal/hr!
Below is another test from an elite Ironman guy.
Even though his threshold is higher than mine, he was still burning ~7kcal/min of fat in his threshold zone, i.e. even though riding *harder*, it was only costing him 13kcal/min (780 kcal/hr) from his CHO stores!
Even though his threshold is higher than mine, he was still burning ~7kcal/min of fat in his threshold zone, i.e. even though riding *harder*, it was only costing him 13kcal/min (780 kcal/hr) from his CHO stores!
