MadSci Network: General Biology
Query:

Re: Do the length of our fingers affect our height in anyway?

Date: Fri Dec 6 10:34:33 2002
Posted By: Thomas M. Greiner, Associate Professor of Anatomy / Physical Anthropology
Area of science: General Biology
ID: 1039057151.Gb
Message:

Is finger length related to stature?

It sounds to me like figuring out the answer to this question is the 
purpose of your school assignment. Because of that, I am going to be very 
sketchy with my response.

About half of human stature is formed from long bones – the thigh bone 
(femur) and the leg bone (tibia). Although the fingers are relatively 
short compared to the lower limb, the finger bones (phalanges) are also 
considered to be long bones. Genetic features that influence long bone 
length in general will effect both the limbs (stature) and the fingers. 
So, you should expect to see relationship between the two values.

In math this type of relationship is call a correlation. When you 
calculate it, correlation is a statement of the perceived relationship 
between two values. One does not necessarily cause the other – sometimes 
both are caused something else that has not been measured. So, when you 
ask if finger length effects stature – my answer is no. However, since 
both are effected by similar genes, you should find that the values are 
correlated.




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