"This kind of workout was never intended for someone who is grossly overweight and who has been rooted to the couch for years," he added.Įdwards pointed out that Beach Body programs contain explicit statements warning exercisers to check with their doctors and not overdo it.
"Our target audience may have been deconditioned when they started with us, but for P90X, we see them as someone who has been dedicated to another program for awhile and aspires to go further. "These were always meant to be 'graduate programs' from some of our other workouts," he said. However, Steve Edwards, the vice president of fitness and nutrition at Beach Body, said that despite marketing that depicts models who go from fat to fit by doing the company's workouts, programs like P90X were never intended for beginning exercisers. Olson said that high-intensity training also does a better job strengthening the heart, increasing aerobic capacity and improving blood levels of fat, cholesterol and glucose. "Overall, it would take five times the amount of typical cardio exercise to shed the same number of calories you can in a four-minute Tabata." "High-intensity exercise also has the advantage of elevating your metabolic rate post-exercise for a period of time after you stop working out so you continue to burn fat and calories at a higher rate for a long time afterwards," Olson said. This is only part of the reason high-intensity workouts are so effective for weight loss, she said. In another recent study, Michele Olson, a professor at Auburn University in Alabama, determined that a HIITs-style method known as Tabata blasted an average of 13.5 calories per minute compared to a mere 6 to 8 calories per minute burned in the typical cardio program. For example, a recent study out of Australia found women who followed a 20-minute HIITs program lost six times more body fat than women who followed a 40-minute moderate-intensity cardio program. Research suggests that HIITs may be a superior way to slim down and muscle up compared to the slow and steady "fat burning" workout style that has prevailed since the 1980s.
Cross Fit, another popular HIITs workout system, has, according to its website, more than 5,000 affiliate gyms in North America with thousands more on other continents. Insanity, also by Beach Body, has sold more than 2 million copies.
#Full p90x workout series#
The P90X DVD series has sold more than 4.2 million copies, according to Beach Body, the company that distributes the program. HIITs programs have exploded in popularity in the past few years.
However, Lombardi's experience may underscore the hazards of high-intensity interval training, or HIITS, an exercise and weight-loss trend that involves alternating bouts of extremely vigorous exercise with brief rest periods. Fortunately, after a five-day hospital stay, the problem subsided and doctors told Lombardi there probably wouldn't be any lingering effects.
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