HIIT and Traditional Aerobics Produce Similar Results

High-intensity interval training (HIIT) involves repetitions of intense exercise lasting 10 to about 180 seconds, followed by rest or reduced exercise intensity. Scores of studies have shown that HIIT increases fitness faster than traditional, moderate-intensity exercise. Its effects on weight loss are less certain, particularly in obese and overweight people. Norwegian researchers found that obese women lost equal amounts of weight participating in HIIT, traditional aerobics or a combination of HIIT and aerobics. Ninety percent of success in life comes from showing up. Showing up is hard for a lot of people. This study showed that people benefit from many types of exercise programs. Vary your program to make it more interesting. (International Journal Sport Nutrition and Exercise Metabolism, published online October 17, 2015)

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