Undercurrent, the scuba diving magazine for serious divers reviews dive resorts and scuba diving equipment "Best of the Web ... scuba tips no other source
dares to publish" — Forbes  
Authoritative   •   Independent   •   Nonprofit  
Join Undercurrent on Facebook Join us! Public Area Online Members' Area
Home Travel Dive Gear Health & Safety Environment & Misc. Free Dive Articles Seasonal Planner Blogs Forums Books News
Reader Reports Recent Issues Back Issues Featured Reports Special Offers Search Join Login RSS FAQ About Us Contact Links
Bookmark and Share
March 2013    Download the Entire Issue (PDF) Vol. 28, No. 3   RSS Feed for Undercurrent Issues
What's this?

The Reason for Wrinkled Fingers

from the March, 2013 issue of Undercurrent   Subscribe Now

Subscriber Content Preview
Only active subscribers can view the whole article here

As a diver, you can be thankful they get all pruney during a dive. It could be an adaptation that gives us better grip underwater.

Fingers and toes wrinkle in water after about five minutes due to the constriction of blood vessels. This reduction in volume pulls the skin inward, but as the skin's surface area cannot change, it wrinkles. A study in 2011 showed that wrinkles form a pattern of channels that divert water away from the fingertip - akin to rain treads on tires. The team thought that this could aid grip. To find out, Tom Smulders and his team at Newcastle University in the U.K. timed people as they transferred wet or dry objects from one box to another, both with and without wrinkled fingers. With wrinkles, wet objects were transferred about 12 percent faster than with unwrinkled fingers. The time it took to transfer dry objects was the same regardless of wrinkles....



To continue reading this article
Subscribe Now
and get access to ALL our articles, reader reports, chapbooks, ... on our site.

Subscribers: Read the full article here

 

I want to get all the stories! Tell me how I can become an Undercurrent Online Member and get online access to all the articles of Undercurrent as well as thousands of first hand reports on dive operations world-wide




NEW! Find in  

Sign up to receive our free
Undercurrent Online Update email
with news for serious divers
            Unsubscribe
We will not sell, exchange, or give your email address to any third party
.

| Home | Online Members Area | My Account |
| Travel Index | Dive Gear Index | Health/Safety Index | Environment & Misc. Index | Seasonal Planner | Forums | Blogs | Free Articles | Book Picks | News |
| Dive Resort & Liveaboard Reviews | Featured Reports | Recent Issues | Back Issues | Login | Join | Special Offers | RSS | FAQ | About Us | Contact Us | Links |


Copyright © 1996-2014 Undercurrent (www.undercurrent.org)
3020 Bridgeway, Ste 102, Sausalito, Ca 94965
All rights reserved.

cd