All elite, Olympic and professional athletes, male and female train and exercise anaerobically because that is the only method that produces top performance and maximum overall fitness. And then, in addition (HIT) produces human growth hormone (HGH), which essential for rebuilding and renovating all parts of the body. High intensity training is about efficiency, economy and results.
On the research report card, anaerobic exercise, high intensity training (HIT) outperforms aerobic exercise by maximizing training value, increasing muscle mass, increasing metabolism, increasing energy, reducing stress, reducing blood pressure, normalizing cholesterol, increasing bone density, decreasing osteoporosis, decreasing joint problems, balancing blood sugar, decreasing diabetes, producing dopamine, increasing motivation, improving brain function, improving appearance, and other.