what is total body enhancement at Planet Fitness; the question often arrives quietly, almost sheepishly, whispered between treadmills or typed into a search bar late at night. It begins the same way for many people: the hum of fluorescent lights, the faint scent of disinfectant and rubber mats, the muted bass of pop music leaking from overhead speakers. In the far corner of a Planet Fitness—America’s most ubiquitous gym chain—there’s a door washed in purple light. Inside, a machine hums softly, promising something more than sweat. Not transformation exactly. Something subtler. Something modern. This is not a story about fitness…