足のカールスの厚さは,歩いているときに触覚の感受性を損なうものではありません
Nicholas B Holowka1, Bert Wynands2, Tina J Drechsel2
1Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA.
Nature
|June 28, 2019
まとめ
裸足の歩行では 足のが厚くなり 触覚の感覚を損なうことなく 保護されます この進化的適応は様々な地形で安全性と 感覚フィードバックを維持しています
科学分野:
- 人類の進化
- バイオメカニクス
- 皮膚科
背景:
- 人類は歴史的に裸足で歩いており 自然な足の保護に 依存していました
- 現代 の 靴 と し て は,特に クッション の 靴 は,比較的 最近 に 開発 さ れ まし た.
- 足が環境の危険から 守るための進化的な反応です
研究 の 目的:
- 歩行中に触覚の感度を維持するために,足のが靴とどのように異なるかを調査する.
- 保護効果と感覚フィードバックを 靴と比較する
- 地面に衝突する力に対する やマッチング靴の影響を評価する.
主な方法:
- ケニアと米国の裸足の歩行者におけるカールスの厚さ,硬さ,および硬さを比較しました.
- 歩いているときに感じる様々な周波数の感触を測定する.
- 歩行時の衝撃力と負荷を分析する.
主要な成果:
- 裸足の歩行者は 靴を履いている人よりも 厚くて硬いを呈します
- カルスの厚さは 触覚の感覚を保ちます 靴とは違って 触覚の感覚を減少させます
- カルスの厚さは地面への衝撃力を変化させないが,クッション付きの靴はそうである.
結論:
- 足のは 触覚の感覚を損なうことなく 保護と快適さを提供します
- クッション付きの靴は触覚の感覚を低下させ 衝撃のメカニズムを変化させ 骨格に長期的な影響を及ぼす可能性があります
- 自然な足の適応は 現代の靴と比較して 優れた感覚フィードバックと保護を提供します
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