RaveOutside Magazine... makes a strong case for the intrinsic interconnectedness of creativity, spirituality, and an elevated heart rate ... Sure, The Secret to Superhuman Strength could stand alone as an entertaining look back at the rise of various American workout trends. But it’s much more than that, as Bechdel’s running, cycling, and skiing serve as a backdrop for her own spiritual and creative development ... With this book, Bechdel establishes her place in a long line of progressive thinkers who have sought spiritual growth via physical activity.