Fitness Blender on Twitter: "Moderate intensity HIIT cardio & abs workout: warm up/cool down included, advanced & beginner mods shown, no equipment @ https://t.co/3vnZDF5Cfr Want something more intense? Check out this brutal
45 Min HIIT Cardio and Abs Workout - Insane At Home Fat Burner - Interval Cardio Training and Core - YouTube
FitnessBlender.com - Brand New: Wake Up and GO HIIT Workout - At Home HIIT Cardio @ http://bit.ly/1zuM85l All of the major muscle groups are at least lightly engaged throughout this workout; butt,