Fitness chains are always on the lookout for trends in group exercise, such as Zumba or kickboxing, to keep people coming back for more classes. Short, hardcore workouts are popular, along with wellness-oriented exercises such as yoga, but Tim Keightley of Gold's Gym says traditional aerobics classes still are in vogue, as the basic moves and motivating music have stood the test of time.

Full Story:

Related Summaries