Many people love the high energy of Zumba. Others crave the intensity of a Spinning class in a dark room with the music blaring. But for some, well, they don’t enjoy any of it—Dance cardio? Nah. Spinning on a bike for an hour? No way. HIIT in a room full of ripped bodies? Ha! If you’re one of those people, you’re not alone. But what is it about group fitness classes that can make you feel uncomfortable, on edge, or maybe even bored? First, the obvious: “People who are extroverts tend to prefer exercising in group environments,” says Heather Hausenblas, Ph.D., professor of kinesiology atRead More →