Wang was smitten. Hooping was a great way to spice up her usual workouts, far more entertaining than, say, jogging on a treadmill. And it worked: She’s seen benefits from months of frequently using her 3.6-pound hoop, usually for about 15 to 30 minutes at a time. “It’s fun and different,” said Wang, 25, a content creator who lives in Philadelphia. “I feel like it definitely strengthened my abs, and my core section is just stronger in general.”