HIIT cardio and abs workout. HIIT (High-Intensity Interval Training) is a workout in which periods of high and medium intensity alternate. During the exercise, the speed of movement and the complexity of the exercises change in a certain sequence. For example, training can be built like this: accelerations on a treadmill for 2-3 minutes are replaced by power work at a quieter pace - work with its own weight or addition
HIIT cardio and abs workout. HIIT (High-Intensity Interval Training) is a workout in which periods of high and medium intensity ...









