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More bone usage going down, More musle usage going up.

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Q: Why do your knees hurt when you run or walk down stairs but not when you walk up stairs?
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Related questions

Why is it harder to walk up the stairs than to walk down them?

You can trip and that can really hurt you in many ways you can even break a bone. Trust me i know because i triped down the stairs a week ago and i got a big bruise a sore wrist and one ankle hurt and the other got sprained.


Can horses walk down stairs?

A cow can climb up stairs but not down.


Which toy has the ability to walk down the stairs?

A slinky (of the correct size) can walk down the stairs.


Why is it harder to walk up stairs than to walk down stairs?

cause when you walk up it is easy and it is hard to walk down cause you can fall


Is it true that cows can't walk down stairs If so can a bull?

Cows and bulls can both walk down stairs, as long as the stairs are wide and long enough. Some dairy sheds have stairs for the cows to walk down if the shed is on slanted ground.


Can goats walk down stairs?

no


Why do elephants have knees?

They need to have knees to walk. And to swim. And occasionally to bend down and drink.


Should taking Glucosamine hurt your knees?

I've just been taking it and my knees hurt but not sure if it's related, I can walk okay but they feel weak, a little swollen and I can't kneel down, feels like my quad where my thigh connects to my knee has shrunk.


In BioShock how do you go down the stairs at fort frolic?

walk down them


On sims 2 how do you put your kittens and puppies down the stairs?

Have a sim pick them up then walk down the stairs and set them back down.


How do you say my animal can walk up stairs not down stairs?

some animals are afrade of heghts


Why do dogs not walk up stairs?

Not really, no. The coordination of their front and back leg joints make it hard for them to walk down stairs like cats or dogs can. They can walk down from a step but it's much harder for them to walk down several steps at a time.