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  2. Digit ratio - Wikipedia

    en.wikipedia.org/wiki/Digit_ratio

    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]

  3. Index finger - Wikipedia

    en.wikipedia.org/wiki/Index_finger

    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 ...

  4. Finger (unit) - Wikipedia

    en.wikipedia.org/wiki/Finger_(unit)

    Finger is also the name of a longer unit of length, used historically in cloth measurement, to mean one eighth of a yard or 4 ⁠ 1 / 2 ⁠ inches. [8] [10] (114.3 mm) Again, which finger and whose finger, is not defined. These units have no legal status but remain in use for 'rough and ready' comparisons.

  5. A man's finger length could reveal if he's a good date - AOL

    www.aol.com/news/2015-06-15-a-mans-finger-length...

    The difference in finger length is caused by the amount of testosterone and estrogen one receives in the womb. More testosterone means a shorter index finger compared to the ring finger, and more ...

  6. Man's finger length reveals how he treats women, study says - AOL

    www.aol.com/news/2015-02-23-mans-finger-length...

    Researchers at McGill University in Canada examined the hands of 155 adult men and women, measuring the length of their ring fingers and pointer fingers. Man's finger length reveals how he treats ...

  7. Hand - Wikipedia

    en.wikipedia.org/wiki/Hand

    The ratio of the length of the index finger to the length of the ring finger in adults is affected by the level of exposure to male sex hormones of the embryo in utero. This digit ratio is below 1 for both sexes but it is lower in males than in females on average.

  8. Finger - Wikipedia

    en.wikipedia.org/wiki/Finger

    Research has linked the ratio of lengths between the index and ring fingers to higher levels of testosterone, and to various physical and behavioral traits such as penis length [31] and risk for development of alcohol dependence [32] or video game addiction. [33]

  9. List of human-based units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_human-based_units...

    Lichas - thumb length. This is a list of units of measurement based on human body parts or the attributes and abilities of humans (anthropometric units). It does not include derived units further unless they are also themselves human-based. These units are thus considered to be human scale and anthropocentric.