Does Usain Bolt's running success lie with the fact that Jamaicans have symmetrical knees?

Northumbria researchers found that Jamaican youngsters whose legs, and particularly knees, match in size grow up to be the keenest and best sprinters.



from Health | Mail Online http://www.dailymail.co.uk/health/article-2531786/Does-secret-Usain-Bolts-running-success-lie-fact-Jamaicans-symmetrical-knees.html?ITO=1490&ns_mchannel=rss&ns_campaign=1490

via dailymail