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The index finger (also referred to as forefinger, [1] first finger, [2] second finger, [3] pointer finger, trigger finger, digitus secundus, digitus II, and many other terms) is the second digit of a human hand. It is located between the thumb and the middle finger. It is usually the most dextrous and sensitive digit of the hand, though not the ...
The first finger is an ambiguous term in the English language due to two competing finger numbering systems that can be used. It might refer to either the thumb or the index finger, depending on the context. Consequently, also the terms second finger, third finger and fourth finger depend on the
Two-finger salute is a salute made using the middle and index fingers. It is used by Polish Armed Forces and by Cub Scouts. V sign or Victory hand is made by raising the index and middle fingers and separating them to form a V, usually with the palm facing outwards. This sign began to be used during World War II to indicate "V for Victory".
The pinky and index fingers are extended but a little more parallel to each other resembling the horns on a demon. Arizona State University Sun Devil fans make a pitchfork sign by extending the index and middle fingers, as well as the pinky. The thumb holds down the ring finger to complete the gesture.
Each finger, starting with the one closest to the thumb, has a colloquial name to distinguish it from the others: index finger, pointer finger, forefinger, or 2nd digit; middle finger or long finger or 3rd digit; ring finger or 4th digit; little finger, pinky finger, small finger, baby finger, or 5th digit
The 2D:4D ratio is calculated by dividing the length of the index finger by the length of the ring finger of the same hand. Other digit ratios are also calculated similarly in the same hand. The digit length is typically measured on the palmar (ventral, "palm-side") hand, from the midpoint of the bottom crease to the tip of the finger. [8]
The relative length of the digit varies during motion of the IP joints. The length of the palmar aspect decreases during flexion while the dorsal aspect increases by about 24 mm. The useful range of motion of the PIP joint is 30–70°, increasing from the index finger to the little finger.
The thumb represents the "stolen" nose held between the player's index and middle finger. This innocent meaning may exist alongside the obscene one. [5] In Portugal, Brazil, and some places in Spain, such as Galicia and Asturias, it is a gesture of good luck, or even wishing good luck. It is also believed to ward off evil eye and protect ...