Could finger lengths predict musical and athletic ability?

[snopes]

Palm readers may not be the only ones who can tell a lot about people by examining their hands.

Recently, scientists in North America and Europe have looked to the relative lengths of index and ring fingers for clues about a variety of characteristics, including musical ability, athletic prowess and, in a study just released, osteoarthritis risk.

http://www.usatoday.com/news/health/...r-ratios_N.htm