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Arm folding
 | This article may require cleanup to meet Wikipedia's quality standards. The specific problem is: Requires a clearer and less opinionated tone in the second section, referencing secondary sources instead of relying on contributor opinion. Lead section may also need to be clarified for the lay person to understand. (December 2023) |
Arms crossed left over right (phenotype L)
Arms crossed right over left (phenotype R)
The manner in which a person folds their arms is a dynamic morphological demonstration of two alternative phenotypes. Once adopted, manner of arms folding across the chest does not change throughout the lifetime and persons easily give up the unusual folding position, most commonly at the first attempt.
If the right arm is folded above the left forearm, the phenotype is characterised as R (right; the right type), and in the opposite case, i.e. if the left arm is positioned above the right, it is the phenotype L (left; left-type).[1][2][3]
It has been shown that the phenotypes of these properties are distributed independently with left-handed and right-handed people.
- ^ Ferronato, S.; Thomas, D.; Sadava, D. (1974). "Preferences for Handedness, Arm Folding, and Hand Clasping in Families". Human Heredity. 24 (4): 345–351. doi:10.1159/000152670. PMID 4461659.
- ^ OMIM, Victor A. McKusick : 6/4/1986.
- ^ Hadžiselimović, R.; Berberović, Lj; Sofradžija, A (1979). "Distribucija fenotipova načina sklapanja šaka i prekrštanja ruku u stanovništvu Bosne i Hercegovine" [Distribution of phenotypes of the way handcuffs and hands crossing in the population of Bosnia and Herzegovina]. God.Biol. Inst. Univ. U Sarajevu (in Croatian). 32: 101–16.
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