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Notice: When the arm is spun so that the thumb point to the outside of the body, meaning the palm of the hand looks forward then it is said the hand is supinated. But when the thumb remains in the inside and the palm looks backwards then it is said that the hand is pronated.
Left hand shown with thumb on left. The metacarpals form a transverse arch to which the rigid row of distal carpal bones are fixed. The peripheral metacarpals (those of the thumb and little finger) form the sides of the cup of the palmar gutter and as they are brought together they deepen this concavity.
Archaeologists in Germany have uncovered a centuries-old skeleton complete with a metal prosthetic hand to replace four missing fingers.. The Bavarian State Office for Monument Preservation said ...
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English: Human hands are the two prehensile body parts, each with four fingers and one thumb, located at the far end of each arm. They are used for a wide range of tasks from the roughest motor skills (wielding a club) to the finest (threading a needle).
The diagram should say that it is the anterior aspect (palm up) of a right hand, and I think that all of the structures passing through the carpel tunnel need labelling. I think that the omissions make this image potentially misleading, and, in my opinion, should definitely not be a featured image. I think the caption needs rewriting too.
The radial nerve innervates the finger extensors and the thumb abductor; that is, the muscles that extend at the wrist and metacarpophalangeal joints (knuckles) and abduct and extend the thumb. The median nerve innervates the flexors of the wrist and digits, the abductors and opponens of the thumb, the first and second lumbricals .