Los Angeles is home to many an unexpected sporting enterprise: Roller derby, 1970s throwback dodgeball, Lucha va Voom. But slowly, surely, a group of women is nurturing an underground movement that ...

The women's side is 3-on-3 ... Koshadze is a two-time world silver medallist, having started when he was 15 years old. "My background is Georgian, so I always knew about arm wrestling," he said. "(But ...