Although the safest and most infallible method to lose a few kilos is to close your mouth, there is no doubt that exercise is a fundamental part of a routine if one wants not only to be slim, but to be in shape, which is a much deeper concept than to have a good physical appearance. <br /><br />Being in shape is not looking like a more or less stylized type, that is being thin; nor be able to lift a few kilos several times in the gym, that is to be more or less strong; but rather to be able to put the heart to work at high pulsations for a prolonged period of time. <br /><br />This is being fit. Usually the two goals are paired: lose weight and get fit. Many people design their training plans to achieve both goals based on long-duration, low-intensity routines, that is, running, cycling or swimming sessions in which they complete many kilometers in the lower zone of each individual's aerobic threshold. And yes, it is a method, a training routine that ensures achieving both challenges, but in a more or less long period of time. <br /><br />On the contrary, there is a training routine that manages to lose those extra kilos and achieve an optimal state in a much shorter period of time: high intensity interval training; HIT (High Interval Training). <br /><br />High intensity training involves the alternation of short periods of maximum effort that are alternated with others of less intensity to recover.<br /><br />Learn more in this video.<br />
