Try this Rowing HIIT Workout, which is guaranteed to get you sweating and a great way to get you burning fat!
3-5 minutes progressive rowing; from a casual to a fast pace whilst maintaining good technique (as demonstrated)
1-2 20 second sprints
Complete 8-10 sets
60 seconds rest between sprints
20 seconds (level 5-6) as 100% intensity
This workout is ideal as a standalone HIIT session, or after a workout (preferably upper body!).