Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.

For most people, immersing their hands in water leads to wrinkling of the skin of the fingertips. This phenomenon is very striking, yet we know little about why it occurs. It has been proposed that the wrinkles act to distribute water away from the contact surfaces of the fingertip, meaning that wet...

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Autor principal:	Nick J Davis
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d36faa875c6f465296d2d62f5cc52304
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spelling	oai:doaj.org-article:d36faa875c6f465296d2d62f5cc523042021-12-02T20:04:59ZWater-immersion finger-wrinkling improves grip efficiency in handling wet objects.1932-620310.1371/journal.pone.0253185https://doaj.org/article/d36faa875c6f465296d2d62f5cc523042021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253185https://doaj.org/toc/1932-6203For most people, immersing their hands in water leads to wrinkling of the skin of the fingertips. This phenomenon is very striking, yet we know little about why it occurs. It has been proposed that the wrinkles act to distribute water away from the contact surfaces of the fingertip, meaning that wet objects can be grasped more readily. This study examined the coordination between the grip force used to hold an object and the load force exerted on it, when participants used dry or wrinkly fingers, or fingers that were wet but not wrinkly. The results showed that wrinkly fingers reduce the grip force needed to grip a wet object, bringing that force in line with what is needed for handling a dry object. The results suggest that enhancing grip force efficiency in watery environments is a possible adaptive reason for the development of wrinkly fingers.Nick J DavisPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0253185 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nick J Davis Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
description	For most people, immersing their hands in water leads to wrinkling of the skin of the fingertips. This phenomenon is very striking, yet we know little about why it occurs. It has been proposed that the wrinkles act to distribute water away from the contact surfaces of the fingertip, meaning that wet objects can be grasped more readily. This study examined the coordination between the grip force used to hold an object and the load force exerted on it, when participants used dry or wrinkly fingers, or fingers that were wet but not wrinkly. The results showed that wrinkly fingers reduce the grip force needed to grip a wet object, bringing that force in line with what is needed for handling a dry object. The results suggest that enhancing grip force efficiency in watery environments is a possible adaptive reason for the development of wrinkly fingers.
format	article
author	Nick J Davis
author_facet	Nick J Davis
author_sort	Nick J Davis
title	Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
title_short	Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
title_full	Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
title_fullStr	Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
title_full_unstemmed	Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
title_sort	water-immersion finger-wrinkling improves grip efficiency in handling wet objects.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/d36faa875c6f465296d2d62f5cc52304
work_keys_str_mv	AT nickjdavis waterimmersionfingerwrinklingimprovesgripefficiencyinhandlingwetobjects
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Water-immersion finger-wrinkling improves grip efficiency in handling wet objects.

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