Christopher Bader is a professor of sociology at Chapman University. He serves as associate director of the Association of Religion Data Archives and was principal investigator of the first two waves of the Baylor Religion Survey.

The Jewish Yoga Network is an association of Jewish yoga teachers and centers in the United States and overseas. The website a search engine that allows a regional search of teachers and classes. Marcus J. Freed is the media contact

Weigh Down Ministries is a Christian-based fitness program founded by Gwen Shamblin, who is also a co-founder of Remnant Fellowship Church in Brentwood, Tenn. The Weigh Down Diet was at the forefront of the Christian diet craze of 20 years ago and remains very popular, despite Shamblin’s personal problems with her congregation.

The Torah Yoga Association is an online organization of students and teachers who approach yoga via the method of Diane Bloomfield.

Walter Sundberg teaches church history at Luther Seminary in St. Paul, Minn., and has written about religion, politics and trends in American religion.

PraiseMoves is a “Christian alternative to yoga” founded by Laurette Willis. It consists of books, DVDs, tapes and television programs for adults and children. Willis is based in Tahlequah, Okla.

Dale Soden is a history professor at Whitworth University in Spokane, Wash. He contributed a chapter on mainline Protestants, Catholics and Jews in the Pacific Northwest to Religion and Public Life in the Pacific Northwest: The None Zone.

Karate for Christ is an international organization of karate schools and teachers who approach this martial art with a Christian perspective. Among its goals is evangelization of Asia and Asian communities. David Dunn is director.

Mark Shibley is a sociologist at Southern Oregon University in Ashland, Ore. He has studied spirituality in the Pacific Northwest, historically the region with the greatest number of religiously unaffiliated people in the United States, and contributed a chapter on the subject to Religion and Public Life in the Pacific Northwest: The None Zone.