Interesting article in VN.
Seems that my old school coach's regimen of putting in those long winter base miles at a "conversational" pace to build into the hard work of the racing season wasn't just old-fashioned hooey after all.
What's next: Fixed gears for base miles too?
"First, an increase in base training volume improves mitochondrial size and function. This adaptation affects oxidative enzymes, which increase fat-oxidation capacity.
Second, aerobic training improves lactate-clearance capacity."
Diagnosis: How many base miles do you really need? | VeloNews.com