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BC 3500000 c.1
Comment <p>Four of our metacarpal bones are aligned in the back of our hands. This fifth is between our wrist and or thumb knuckle. </p>
Coordinates 1° 57' 28" N, 37° 17' 50" ELatitude: 1.957709
Longitude: 37.2972044
Country Eastern Africa  +
Has Supplemental Text true  +
Headline The Thumb Comes into Play  +
Immediacy of Report Retrospective  +
Reviewed true  +
Salience 2  +
Sources <p style="text-align: LEFT;">Richard <p style="text-align: LEFT;">Richard W. Young, "Evolution of the human hand: the role of throwing and</p> <p style="text-align: LEFT;">clubbing,"<span style="text-decoration: underline;">Journal of Anatomy</span> (2003), pp165–174. </p> <p><a href=""></a></p> mc/articles/PMC1571064</a></p>
Submission Note Email of April 1, 2014  +
Submitted by Joe Gray +
Year -3,500,000  +
Year Number 1  +
Year Suffix c  +
Has improper value forThis property is a special property in this wiki. Source Image  + , State  + , City  +
Categories Chronology  +
Modification dateThis property is a special property in this wiki. 10 May 2015 01:47:42  +
TextThis property is a special property in this wiki. <p>Ever try to throw a ball, even a <p>Ever try to throw a ball, even a non-breaking pitch, without using your thumb?</p> <p>"The carpometacarpal joint of <em>Australopithecus afarensis</em> would have allowed he range of thumb movement necessary for both key grips used in baseball."</p> <p>This extinct hominid (think Lucy), thought to be as close to <em>Homo sapiens </em>as any species then alive, lived in eastern Africa.  Their hands weren't yet adapted to throwing, but their thumbs had evolved in that general direction.</p> <p> </p> direction.</p> <p> </p>
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