Alexandra Williams, MA, co-writes Fun and Fit: Q and A with K and A, a humorous fitness blog with her twin sister, Kymberly, in the hope that readers will laugh themselves into a fit state. Together they speak at events, on the radio and in public rest stops. Alexandra is a contributing editor and writer for IDEA Fitness Journal, and teaches in the exercise sports studies department at UC Santa Barbara. Talk to Alexandra on Twitter, where she goes by @Alexandrafunfit.