Illustration by Tim Robinson. Remember “being in your body”? In the 1960s and ’70s, a crop of counterculturalists argued that corporeal awareness was crucial not only to self-actualization but also to social transformation. Flocking to an expanding network of retreats, New Age bookstores, and organic food stands, they embraced “embodied practices”—as they began to be called—as a means of liberation from the inauthentic, technocratic, and spiritually bankrupt modern world. The yoga mat was considered one such experimental and even revolutionary space, thanks, in part, to how yoga married non-Western spirituality with physical work that could be positively transcendent. Within a decade, yoga was beginning to converge with a mainstream fitness…