For primates: hands and feet. … The thumb of skillful operation is the opposite thumb. In other words, it is a thumb that can be moved freely and independently.
What does it mean that the human thumb is the opposite?
Humans have the opposite thumb. This means that you can bend your thumb (pollex) at the same time, abduct it, or rotate it inward so that the tip of your thumb is opposite to the tip of your other fingers. .. Humans share the opposition to hay fever with most other catarrhini (old world monkeys and apes).
What is the opposite thumb and why is it important?
The human thumb is called the opposite thumb. It is called the opposite because you can move your thumb to touch the other finger. This allows people to grab things. .. Having the opposite thumb will help you grab things more easily, pick up small things and eat with one hand.
What is the opposite of the opposite thumb?
Complications. In general, the three-fingered thumb is not the opposite. .. The ability of the opposite thumb to comfortably use the fingers in a "pinch" formation is important for accurate grip.
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