Origins of Bipedalism

Ko, Kwang Hyun

doi:10.1590/s1516-89132015060399

Cited by 6 publications

(1 citation statement)

References 17 publications

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“…Man has recently stood upright and, as a reward for standing upright, has gained the ability to speak much more recently; however, the price he has paid for this is asphyxia while swallowing mouthful and sleeping, sinusitis and otitis media [9,10]. Sinusitis and otitis media are the compromises of bipedalism [11].…”

Section: Introductionmentioning

confidence: 99%

Evolutionary Origins of ORL Disorders

Turaman¹

2022

Int J Family Med Healthcare

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It is understood that our ancestors gained a strong evolutionary selective advantage in shaping the vocal tract that allowing them speak more intelligibly. However, humans pay heavy prices for the uniqueness of vocal tracts configuration. We precariously swallow our mouthful in exchange for speaking clearly, and the second heavy price humans pay is sleep snoring. Their evolutionary cause is that the respiratory system deriving on the wrong side and too late from the alimentary system. The fact that our nasal septum is usually curved contributes to these disorders. The reason of this is that a few million years ago humans had to compromise from the width of the birth canal with their pelvis in order to stand upright. As for our children’s ears, their development resembles the evolution of hominoids and they are far from smooth.

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Section: Introductionmentioning

confidence: 99%