While group exercise classes can be a fun and easy way to make working out a bit lit less of a slog, most of us would probably much rather sweat and dance our butts off without twenty other people ...

The deep bass and hypnotic drumbeats beg students to shake and shimmy. In the wood-floored studio at Dance Dynamix in Tempe, the song booming from the sound system shouts: “Are you ready?” AUDIO ...