| 06/29/2005 | ALBANY, N.Y. Intense interval training for short periods of time may make you fit -- but apparently not slim. A new study suggests 20 minutes of intense interval training three times a week is as effective at building strength and endurance as five to six hours of jogging or moderate cycling. But it doesn't burn many calories. And one expert says the intensity required for the fitness payoff creates so much "suffering" that most people would quit. A University of Texas professor who's worked with Tour de France legend Lance Armstrong says "unless it's done with a coach or teammates," intense interval training is "almost impossible not to quit." The study is published in this month's Journal of Applied Physiology. http://www.wtol.com/Global/story.asp?S=3537589
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