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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]
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.
Nomograms for normal values of finger length as a ratio to other body measurements have been published. In clinical genetics, the most commonly used index of digit length is the dimensionless ratio of the length of the third (middle) finger to the hand length. Both are expressed in the same units (centimeters, for example) and are measured in ...
Forget his eyes. When looking for the perfect date, check out his hands. A new study says men with masculinized digit ratios show greater courtship-related consumption. In simpler terms, a man's ...
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 ...
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
Detail of the cubit rod in the Museo Egizio of Turin, showing digit, palm, hand and fist lengths. The hand, sometimes also called a handbreadth or handsbreadth, is an anthropic unit, originally based on the breadth of a male human hand, either with or without the thumb, [2] or on the height of a clenched fist.
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 ...