Originally Posted by RunbikeSki
If you have knee issues now, they can be aggrevated by running stairs. But if your knees are in good shape, running stairs will keep them that way (IMHO).
Umm.. I don't think I have any knee issues so far. Not that I am aware of any. Although, I am overweight, which means certain activities like skipping will automatically put extra pressure on the knees. But I guess I will continue with the staircase routine.