What Is It: Speedplay is a 60-minute high-intensity interval training class that combines running, rowing and floor exercises to burn up to 900 calories per session. Who Tried It: Gabrielle Olya, ...

LAGUNA NIGUEL, Calif. (KABC) -- These people are talking about a new class called FIRE. "It's such a great, explosive workout. You get everything fit in an hour," said Melanie Reed of Laguna Niguel.

One of the biggest myths I hear is that walking is not a good workout. People often see it as a leisurely activity or a means of transportation, but not as a form of exercise. This could not be ...

FORT McCOY, Wis. -- The Wake Up and Ride class is a way to bring the feeling of outdoor cycling inside, said Jessica Pater. Pater, an indoor-cycling instructor at the Fort McCoy Rumpel Fitness Center, ...