Faster fitness results with high intensity interval training

... It's really bringing your body up to a high intensity level," she said. That can mean adding jumps into weight training, plates into core workouts and pushing yourself in cardio. "Sprinting for 100 yards and jogging for the other 100, sprinting ...

http://www.wsfa.com/story/24019579/faster-fitness-results-with-high-intensity-interval-training