The Rev. Maria Erling is a Lutheran pastor and an associate professor of the history of Christianity and global missions at the Lutheran Theological Seminary at Gettysburg in Gettysburg, Pa. She contributed a chapter on mainline Protestants in New England to Religion and Public Life in New England: Steady Habits Changing Slowly.

J. Ron Eaker is a doctor and the author of Fat Proof Your Family: God’s Way to Forming Healthy Habits for Life (2007). He blogs at Fat Proof Your Family and can discuss women and fitness from a Christian perspective. He lives in Augusta, Ga.

Susan Bordenkircher is the author of Yoga for Christians, which is based on a class she developed called “Outstretched in Worship,” a Christian approach to yoga. She is based in Fairhope, Ala.

The Rev. Paul Barton teaches Hispanic church studies at Episcopal Theological Seminary of the Southwest in Austin, Texas. His expertise includes U.S. Hispanic Christianity, especially U.S. Hispanic Protestantism. His books include Hispanic Methodists, Presbyterians and Baptists in Texas (2006).

Brad Bloom is the publisher of Faith and Fitness magazine, an online lifestyle magazine about Christianity and fitness that is based in Yorkville, Va. He wrote a 2008 article for the magazine on why the church should be involved in physical fitness. In 2010, the magazine will focus on the role the church can play in fitness and on […]

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.

Darby Kathleen Ray is an associate professor of religious studies and director of the Millsaps Faith and Work Initiative at Millsaps College in Jackson, Miss. She is the editor of Theology That Matters: Ecology, Economy and God (2006).

Laurie M. Johnson is a political science professor at Kansas State University in Manhattan, Kan., where she teaches a course on religion and politics.

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