Exercise BenefitsExplained- high knees exercise benefits by Dheeraj Prarthi August 23, 2020 by Dheeraj PrarthiHigh knees is the exercise which is done as a fasted cardio. It is done as intensive cardio like HIIT method. It is so intensive that you bring your heart rate up, which makes you more fatigue in fraction of time. 6 FacebookTwitterPinterestEmail