Gym Etiquette Flowchart
See someone you know? You're covered with sweat? Don't panic.
Posted Wednesday, Jan. 19, 2011, at 4:02 AM
See the rest of Slate's Fitness Issue.
Also in Slate's Fitness issue, Emily Yoffe gets shredded by Jillian Michaels and coddled by Jack LaLanne and our foreign correspondents reveal the latest global workout trends.
Jenny Livengood is a Slate designer. She previously worked at Nurun and weather.com.