WEIRD FACTS ABOUT
FINGER LENGTH
Research has shown that top sprinters have long ring fingers. Specifically, it is the ratio of index finger to ring finger length that matters. A study of finger length in a group of male traders in the City of London has also shown that the earnings of men with relatively long ring fingers were up to six times higher than those of their colleagues.
The reason for both these results may be connected with the presence of testosterone in the womb. At the period of growth when finger length is determined, the ring finger is believed to have more testosterone receptors, so high levels of testosterone, which are associated with competitiveness and aggression, also lead to longer ring fingers.
The average ratio of index finger to ring finger in women is one; in men it is 0.97, but in elite male runners, the ratio may be as low as 0.9. Women athletes also have longer ring fingers than women non-athletes.
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