Upper Body Workout This 15 minute HIIT workout focused on the Upper Body Part will get that heart rate up and have you sweating more than ever !!! No equipment nedded for this .We work in interval 1 min. We always start with warming up 5 min , then 3 blocks 6 min each and cooling down in the end ! If you are looking to burn fat, lose weight and sweat it out then this is the workout for you!!!