articles on HIIT

reweldt

http://www.shape.com/fitness/workouts/8-benefits-high-intensity-interval-training-hiit

http://www.outlawfitnesshq.com/the-best-hiit-training-routine

http://www.askmen.com/sports/bodybuilding_100/135_fitness_tip.html

http://www.gymboss.com/hiit-workout.php includes sample workouts