In an era when many athletes have access to the best training, what separates the greatest from the merely great may be genetics:
http://on.wsj.com/OqYBNo
Usain Bolt, the 6'5" sprinter, is one example. Mr. Bolt's waist is some 4 feet off the ground—his legs are proportionally longer than his torso. He takes a little more than 40 steps to complete the race. His competition takes about 45.
Illustration by Mike Sudal
http://on.wsj.com/OqYBNo
Usain Bolt, the 6'5" sprinter, is one example. Mr. Bolt's waist is some 4 feet off the ground—his legs are proportionally longer than his torso. He takes a little more than 40 steps to complete the race. His competition takes about 45.
Illustration by Mike Sudal
