2/9/2011 - Tony Horton, founder of the P90X exercise routine, demonstrates the proper form of a Yoga exercise known as the "chair pose" to a U.S. Air Force Airman during an exercise class he led Feb. 9, 2011, Misawa Air Base, Japan. Besides demonstrating exercises, Mr. Horton also commented on the importance of proper nutrition. P90X is one of many different exercise programs members of Misawa Air Base can use to meet their fitness goals. (U.S. Air Force photo by Tech. Sgt. Phillip Butterfield/Released)

2/9/2011 - Tony Horton, founder of the P90X exercise routine, signs pictures after a class he taught during his visit to Misawa Air Base, Japan, Feb. 9, 2011. Misawa was the ninth and final stop during his fitness tour of the Pacific region. (U.S. Air Force photo by Tech. Sgt. Phillip Butterfield/Released)