The main element term in HIIT is INTENSITY… If it’s not powerful then Actually you aren’t about to see the benefits. A. With this Main-strengthening shift with the HIIT workout at home, lie on back with hands at the rear of head, Keeping head and shoulders up off the ground. https://riverplosu.snack-blog.com/15737808/the-definitive-guide-to-hiit-workout-routine