Why is the skin around our finger knuckles wrinkled when the skin covering our knees is not?

Question

Why is the skin around our finger knuckles wrinkled when the skin covering our knees is not?

Question #58229. Asked by barker111.
Last updated May 29 2021.

Zbeckabee

Answer has 4 votes

Currently Best Answer

Zbeckabee

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19 year member
11752 replies avatar

Answer has 4 votes.

Currently voted the best answer.

The knees have folds...just like the fingers, though they may not be as obvious.

"The elbows and knees of the human body are covered by an uneven layer of skin. The multiple folds allow the joints to bend and flex without tearing the skin in the process."

http://www.ehow.com/way_5330014_home-remedy-dark-knees-elbows.html

https://en.wikipedia.org/wiki/Skin_fold

Response last updated by CmdrK on May 29 2021.
Jul 16 2010, 7:45 PM

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Answer 1

your fingers are much smaller than your knee, so the difference of the skin appears is greater and you get wrinkles. Since your knees are bigger, the skin has a bigger surface area where it can spread and so no wrinkles form.

did that make sense?

Answer 2

cindyo
Answer has 3 votes

cindyo

Answer has 3 votes.

because we use our hands more than we do our knees. the skin gets stretched and with time skin loses its elasticity and the result is wrinkles

Jul 09 2005, 7:46 AM

Answer 3

TheAlphaWolf
Answer has 1 vote

TheAlphaWolf

Answer has 1 vote.

even little children have wrinkles in their kuckles.

Jul 09 2005, 12:21 PM

Answer 4

Here's half the answer.

# The wrinkles on the back of the finger knuckles are actually dimples, and mark areas where the skin is attached to the tendon beneath the skin.
# Finger joints only have wrinkles and creases if the joint moves. If a finger joint stops moving, the creases eventually flatten out.

http://www.eatonhand.com/hw/facts.htm

Answer 5

If, when wearing shorts, you extend your leg fully and feel on your knee, you will notice extra skin, just not as much as on the fingers. The other two places where this occures to varying degrees are on the elbows and on the toes. Why do the fingers have the greatest wrinkle, because their range of flexing is more than the others.

https://en.wikipedia.org/wiki/Knuckle

Why is the skin around our finger knuckles wrinkled when the skin covering our knees is not?

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