Yes, just don't trip! For regular exercise, you might want to consider a stair-stepper, which (in some models), is sort of a treadmill that generates a continuous set of steps.
Absolutely -- stair machines are sold in the thousands to gyms and individuals to replicate the activity. Though it won't give you aerobic workouts (for that, you need to do it for about a half hour, which most people wouldn't do), it's a great way to get your system "woken up". Here's a great, short article about a study proving this: http://www.acefitness.org/fitfacts/fitbits_display.aspx?itemid=124
I have personally watched my cow climb down a set of stairs. The disclaimer of cows not being able to climb down stairs probably refers to very narrow stairs.
When you arrived here did you take the lift or climb the stairs?
64
Yes.
With his friends encumbering him, Brian struggled to climb the stairs. With his friends encumbering him, Brian struggled to climb the stairs.
they can go up stairs but its more of a walk with the front leg and jumping with the back
You aim your character at the stairs and walk forward.
you dont.
No they can not.
Yes, a dog who has hip dysplasia can climb stairs if a hind leg is lame.
climb stairs
6 months