The answer is "True".
Interval training is a sort of training that includes a series of low-to high-power exercises mixed with rest or alleviation periods. The high-intensity time frames are regularly at or near anaerobic exercise, while the recuperation time frames include action of lower intensity.Varying the force of exertion practices the heart muscle, giving a cardiovascular exercise, enhancing high-impact limit and allowing the individual to practice for more or potentially at increasingly extreme levels.