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Hitchhiker's thumb, also known as distal hyperextensibility of the thumb, is the condition of having a thumb that has a distal phalange that bends backwards in an angle of 90°. This condition is benign (when isolated) and does not cause pain or affect the thumb with the trait negatively.
Hypermobility, also known as double-jointedness, describes joints that stretch farther than normal. [2] For example, some hypermobile people can bend their thumbs backwards to their wrists and bend their knee joints backwards, put their leg behind the head or perform other contortionist "tricks".
It has been suggested that the variation is an autosomal recessive trait, called a hitchhiker's thumb, with homozygous carriers having an angle close to 90°. [32] However this theory has been disputed, since the variation in thumb angle is known to fall on a continuum and shows little evidence of the bi-modality seen in other recessive genetic ...
They come in all shapes and sizes. Some walk, some slither, some fly and some swim. Humans are blessed to share the planet with just over 2.1 million recognized species of animals. And scientists ...
Brachydactyly type D, also known as short thumb, [3] [1] stub thumb, [5] [6] or clubbed thumb, [5] [6] is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.
The list says Hitchhiker's thumb is a recessive Mendelian Trait. Both of my parents have it, I have it, but my sister does not. How is this possible? Should I take Hitchhiker's thumb off the list? Us441 21:58, 9 January 2010 (UTC) I think this page needs to be re-assessed.
In 1972, Carr picked up two 11-year-old hitchhiking friends, raped and strangled them, then buried them in Louisiana and Mississippi. He also picked up a 16-year-old girl and drove her from Miami ...
Astrologer Kesaine Walker explores the sign's key traits, plus its approach to relationships, career and more. Aquarius dates Aquarius season runs from Jan. 20 to Feb. 18.