Book Review: A Little Theology of Exercise

by David Mathis — Crossway, 2025

In a culture increasingly dominated by screens, convenience, and sedentary lifestyles, Christians often find themselves passively drifting through life—physically inactive and spiritually distracted. In A Little Theology of Exercise: Enjoying Christ in Body and Soul, pastor and author David Mathis offers a gracious, theologically grounded invitation to re-envision exercise not as a secular pursuit of aesthetics, but as a Christian practice that deepens joy in Christ and strengthens the believer for service and mission.

At just over 120 pages, this little book offers a thoughtful blend of biblical reflection and practical encouragement. Mathis begins by challenging the modern assumption that movement is optional—he reminds readers that the Bible presents human beings as embodied creatures, fearfully and wonderfully made by God with bodies that are good and designed for purposeful activity. Our bodies do not exist apart from our souls; they are integral to how we enjoy Christ and fulfill our calling.

The first section lays the theological foundation: Christ became incarnate, renewing not only our souls but affirming the goodness of our bodies. Exercise, then, is neither to be despised in a Gnostic rejection of the flesh nor idolized as a cultural obsession with image. Instead, physical exertion can and should be embraced as part of faithful stewardship of the life God has given us.

In the second section, Mathis offers five distinctly Christian motivations for exercise. Rather than pursuing workouts for vanity or achievement alone, he suggests believers exercise to glorify God in their bodies, sharpen their minds, discipline their wills, cultivate joy in Christ, and gain strength to serve others effectively. This framing turns each step, lift, or run into an opportunity for worship and spiritual growth.

One of the book’s strengths is its pastoral tone—Mathis is neither preachy nor prescriptive, but invitational. He encourages readers to consecrate their activity with prayer, to reflect on Scripture as they move, and to find joy in caring for the body while keeping Christ supremely central. This perspective helps guard against the twin pitfalls of sloth and idolatry, demonstrating that exercise can be a joyful ally in the Christian life when rightly ordered.

While short in length, A Little Theology of Exercise offers a rich theological lens for viewing a part of life most of us take for granted. It will resonate with seasoned athletes and occasional walkers alike—anyone who longs to honor God more fully with every part of their being.

Bottom Line:A refreshing and theology-infused reflection on fitness that reframes exercise as an act of Christian discipleship—strengthening body and soul for the glory of God.