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Prehensile thumb

Hughes , Christian Seegelke , Thomas Schack. This, however, is the suggested result of evolution from Homo erectus around 1 million years ago via a series of intermediate anthropoid stages, and is therefore a much more complicated link. There are a few other speculative hypotheses. Similar Papers. Share this article via email with one or more people using the form below.
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A Mysterious Thumb

Prehensile thumb
Prehensile thumb
Prehensile thumb
Prehensile thumb
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Anatomy and pathomechanics of the thumb.

This appears to be an adaptation for locomotion, the rationale for which is not fully understood at present. The nerves, muscles and bones of the thumb work together brilliantly to control the thumb's movements [2]. Loading similar papers…. Future of Space Exploration. View PDF. Jay L. The critical component of the prehensile hand in terms of skilled manipulation is the opposable thumb —a thumb, that is to say, that is capable of being moved freely and independently.
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Toe-to-thumb reconstruction.

References Publications referenced by this paper. Another interesting note, is that the thumbs of the apes and Old World Monkeys can rotate. Article Media. In precision grip the object is pinched between the flexor aspects of the fingers and that of the opposing thumb. In most cultures, it literally means yes, good, okay, or anything that is on the positive side.
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The first four of these muscles are in the hand and the first three of these form the thenar eminence. Sign up. Another interesting note, is that the thumbs of the apes and Old World Monkeys can rotate. Organs like hands, claws, tails and even tongues and noses are prehensile in various species. A yearlong exploration into our future with space.
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