and bigger mitochondria. That's the story from Sean Foley, (now) esteemed coach of his holiness, TWoods. Myelin is the new buzz word for 'muscle memory', innumerable reps and all that other stuff which helps us do it again, correctly or not.
The bigger mitochondria is my idea, not Sean's but if mine were bigger maybe i could hit balls for 5 hours, rather than merely 3. Sean is on the myelin trip for real.
Read all about Sean and his techniques at the Wall Street Journal: