High-intensity interval training (HIIT) is a type of training in which alternation of intervals with high and low load intensity is used: for example, alternating sprint and jogging. The task that is performed by the interval training mechanisms is the short-term achievement of the aerobic limit (that is, the intensity at which the body switches to the anaerobic regimen and uses carbohydrates rather than fats as an energy source) and returns to the usual training level. Typically, the aerobic threshold is 85% of the maximum heart rate. The study showed that the HIIT training regimen improves neuromuscular status, anaerobic power and heart rate recovery in well-trained athletes. While low-intensity and medium-intensity training did not have such effects.
Not to be confused with high-intensity strength training.
Interval training includes a whole range of different workouts: running, swimming, cycling. As well as working with cardiovascular equipment – a treadmill, exercise bike, stepper, etc. From the point of view of the nature of the load. Interval training is a variation of aerobic (low-intensity intervals) and anaerobic (high-intensity intervals) load. Change in the intensity of the load can be achieved by changing the speed, distance, heart rate.
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