What has a bum knee taught me?

It can be a welcome excuse to blow off any exercise I don't like, and an annoyance to endure for a sport that I love.

It’s been a busy time for Beaver Theodosakis, a co-founder and president of prAna, the 13-year-old company that makes and sells men’s and women’s activewear and accessories for rock climbing, yoga, and other sports. The home-grown, husband-and-wife operated company was recently acquired by Liz Claiborne for $34.4 million.