Watch: Fitting a Workout into your AM Schedule
[gtxvideo vid='LF03yTOz' thumb='http://player.gtxcel.com/thumbs/LF03yTOz.jpg' vtitle='Watch: Fitting a Workout into your AM Schedule'] CNN-Shorter classes, like 30 โ 40 minutes, are the trend. It started with higher intensity interval training. Also called hiit. Those upbeat classes that get your blood pumping can…