used to provide energy, burn dietary carbohydrates, produce blood glucose and liver glycogen, and promote survival in stressful situations."Brooks calls all these goings-on the "lactate shuttle" or "lactate transport system." What he’s saying

This extract is from The Runner's World Complete Book of Running by RW USA Editor Amby Burfoot. You can now preview it, free, for two weeks without risk or obligation. All running programmes for beginners are the same: they move you from walking

the ability to produce anandamide, which masked their shinsplints, and these well-adapted folks survived through the brilliance of natural selection. “The whole system makes sense from an evolutionary perspective,” notes Dietrich.A similar interpretation

survive, often just barely.Eston isn't a distance runner himself, but in the pubs around Bangor he has fallen into conversation with a few of the fell running aficionados, and he wondered about the suicidal descents they described. In a 2001 journal paper

the final miles of a marathon, you should be able to run faster.This extract is from The Runner's World Complete Book of Running by RW USA Editor Amby Burfoot.

, enjoyable (and effective) way to run. It’s worth a try, isn’t it? Amby Burfoot is Editor of Runner's World US.