WILL DOING INTERVALS MAKE YOU LIVE LONGER?

New Evidence supports giving the ol' ticker some good jolts of effort

In the December 29 edition of the New York Time’s “Phys Ed” column, writer Gretchen Reynolds points out some salient new information about how much even a brief (as in four second long) interval can pay healthful dividends.

“In what is probably the definitive word on how little exercise we can get away with, a new study finds that a mere four seconds of intense intervals, repeated until they amount to about a minute of total exertion, lead to rapid and meaningful improvements in strength, fitness and general physical performance among middle-aged and older adults.

“But Ed Coyle, an exercise physiologist at the University of Texas in Austin, and his graduate assistant Jakob Allen suspected that even 20-second spurts, performed intensely, might exceed some exercisers’ tolerance. So, he decided to start looking for the shortest possible interval that was still effective.

“And in the new study, which was published this week in Medicine & Science in Sports & Exercise, he and his colleagues settled on a blink-swift four seconds…”

For the full story click The New York Times

Photo: Bettini

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