I believe doing even ten minutes of continuous exercise, such as running, swimming or biking, is beneficial to your health if you include intervals during that time. There are those among us who can’t find even that amount of time to exercise . . . . hence the three minute intense exercise with minimal or no rest. It’s important to ramp up the intensity so that you are elevating your heart rate and, hopefully, even breaking a sweat.
This form of training should only be a stop gap and not a way of life. It’s important to make time each day to do some form of focused activity that will promote long-term health and fitness.
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