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I've heard that foot size is linked to the size of a man's penis.

Is there any truth to this?

  • Without any reference, but it seems very unlikely that the correlation would be negative (ie smaller feet = smaller men = larger penis). So I guess it is ture. – johanvdw Jun 26 '11 at 16:31
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    It is true, big feet, big shoes. – Craig Jun 26 '11 at 22:44
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From the Wikipedia article on human penis size:

There is evidence both for and against a link between penis size and the size of other body parts. One study found a weak correlation between the size of the stretched penis and foot size and height. Another investigation failed to find any evidence for a link between shoe size and stretched penis size.

A potential explanation for a link is that the development of the penis in an embryo is controlled by some of the same Hox genes (in particular HOXA13 and HOXD13) as those that control the development of the limbs. Mutations of some Hox genes that control the growth of limbs cause malformed genitalia (Hand-Foot-Genital Syndrome).

The paper Wikipedia cites for a positive correlation is this one. But the abstract of that paper has some key points which differ slightly from what's mentioned on Wikipedia. Mainly,

Penile length was found to be statistically related to both body height and foot length, but with weak correlation coefficients

and,

Height and foot size would not serve as practical estimators of penis length.

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    in other words there's in theory something there but in reality it doesn't work out? – jwenting Jun 27 '11 at 6:31
  • @jwenting: looks like that – Bernhard Heijstek Jun 27 '11 at 8:17
  • iow life's more complex than just adding the numbers and getting the same outcome every time :) – jwenting Jun 27 '11 at 11:52
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    @Hendy: Big feet ==> big penis does not mean little feet ==> little penis; so that is not an exception :) – BlueRaja - Danny Pflughoeft Jun 28 '11 at 23:12
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    @Hendy: You didn't show an instance of "if P then ~Q," you showed an instance where "if ~P then Q" – BlueRaja - Danny Pflughoeft Jun 29 '11 at 1:20

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