Interval training can cut exercise time

Interval training can cut exercise hours sharply

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...Intense exercise regimens, or interval training, was originally developed for Olympic athletes and thought to be too strenuous for normal people.
But in recent years, studies in older people and those with health problems suggest many more people might be able to handle it. If true, that could revolutionize how officials advise people to exercise - and save millions of people hours in the gym every week. It is also a smarter way to exercise, experts say.

"High-intensity interval training is twice as effective as normal exercise," said Jan Helgerud, an exercise expert at the Norwegian University of Science and Technology...

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This is sort of a "Duh!" for people who box or do boxing type cardio, but the key to this study is that it isn't just for the young and fit, but can work for older people and those who are not elite athletes.

Another part of the answers to, "Am I too old to box?" or "Do I have to be in top shape to train for boxing?"

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HerbM

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High intensity training helps heart patients
June 24, 2008

Cardiac patients from the community are benefiting from new exercise rehabilitation research at the University’s Exercise and Sport Science Division.

Aimee Cornish, a postgraduate health science scholar, is writing her honours thesis on high-intensity interval training in cardiac patients. She says volunteers from a phase two moderate intensity programme stepped up to the challenge for more rigorous stage three high intensity interval training....

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Even heart patients can work up to this...

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HerbM

Cheers , very interesting .