Why is High-Intensity Interval Training Considered Most Effective Way to Exercise?

Again, to take an excerpt from Dr. Mercola’s Peak Fitness Newsletter:

“Interval Training
Burns More Calories in Less Time….

In related news, research presented at the Integrative Biology of Exercise VI meeting2 in Colorado on October 10-13 this year, demonstrated that high-intensity interval training
burns more calories in less time – a mere 2.5 minutes, divided into five
30-second sprint intervals at maximum exertion, each followed by four minutes
of light pedaling to recuperate, can burn as much as 220 calories. All in all,
in less than 25 minutes total, you can burn more calories than you would if you
were cycling at a moderate pace for half an hour.

According to lead researcher, exercise physiology graduate student Kyle

“‘You burn a lot of calories in a very short time… Nearly all the
calories are burned in those 2.5 minutes; you burn very few during the rest
period.’ He also points to additional benefits that come from interval
training, including increased insulin sensitivity and glucose tolerance, both
of which are important for overall good health.”

High-intensity interval training, which is part of my total fitness program, has also been shown to produce greater health benefits overall than conventional aerobic training.
A study  found doing just three minutes of high-intensity training  per
week for four weeks, could lead to significant changes in important health
indices, including a 24 percent improvement in insulin sensitivity.

Another important benefit of high-intensity interval training is its
ability to naturally increase your body’s production of human growth hormone
(HGH), also known as “the fitness hormone.” HGH is a synergistic,
foundational biochemical underpinning that promotes muscle and effectively
burns excessive fat. It also plays an important part in promoting overall
health and longevity. This is something you cannot get from conventional,
aerobic endurance training.”



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