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Index finger

life science Maturity 11-13 Next article →

The index finger is a very special part of the human hand. It is the second digit on your hand. You will find it sitting between your thumb and your middle finger. This finger is often the most sensitive part of the hand. It is also very good at moving things with skill.

Anger during a protest by David Shankbone
Anger during a protest by David Shankbone

Even though it is useful, it is not the longest finger. It is shorter than the middle finger. It might be longer or shorter than your ring finger.

This finger works in a very interesting way. It has three phalanges, which are the bones inside it. The index finger does not have any muscles inside it. Instead, it uses tendons to move. Tendons are parts that connect muscles to bones.

Hands of God and Adam
Hands of God and Adam

Muscles in your hand pull on these tendons. This pulling action makes the finger move. It is a clever way for your body to control movement.

People use this finger to point at many things. Pointing can show an object, a person, or a place.

Plato-raphael
Plato-raphael

Babies start pointing when they are about one year old. This helps them share complex thoughts with others. It might even help humans develop language. Some animals can understand pointing too. Dogs, elephants, and corvids all understand when a person points. However, some cultures like the Malays and Javanese think pointing is rude. They use their thumb instead.

Artists have used the index finger in famous ways for a long time. In the painting The School of Athens by Raphael from 1509, a finger points up to show authority.

Plato-raphael
Plato-raphael

Michelangelo used a finger in his 1512 fresco called The Creation of Adam. In modern times, a finger pointing at you can feel like a command. Two famous posters used this trick. One was from 1914 by Alfred Leete in the United Kingdom. The other was by James Montgomery Flagg in 1917 for the United States.

I Want You for U.S. Army by James Montgomery Flagg
I Want You for U.S. Army by James Montgomery Flagg

This finger also has special meanings in different beliefs. In Islam, raising the index finger is a sign of Tawhīd. This means it shows the oneness of God. In Arabic, the finger is called musabbiḥa. This name comes from a word that means to praise God. People can also call it as-sabbāḥa. Using the finger this way is a way to show unity. It is a small part of the hand with very big meanings.

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🖼️ Images & Media (5)
File:Anger during a protest by David Shankbone.jpg
Anger during a protest by David Shankbone.jpg
File:Plato-raphael.jpg
Plato-raphael.jpg
File:Hands_of_God_and_Adam.jpg
Hands_of_God_and_Adam.jpg
File:30a Sammlung Eybl Großbritannien. Alfred Leete (1882–1933) Britons (Kitchener) wants you (Briten Kitchener braucht Euch). 1914 (Nachdruck), 74 x 50 cm. (Slg.Nr. 552).jpg
30a Sammlung Eybl Großbritannien. Alfred...
File:I Want You for U.S. Army by James Montgomery Flagg.jpg
I Want You for U.S. Army by James...
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