If short intense bouts of exercise are most effective in maintaining bone and muscle mass of Astronauts on the International Space Station why do we spend hours at the gym?
Short bursts of high-intensity resistance training, at around 70 per cent of the muscles' maximum capacity for 15 minutes, twice a day, should help, says Fitts. A range of studies in animals and volunteers confined to bed rest suggest this will protect muscles better than long periods of low-intensity aerobic exercise. It may also guard against bone loss. Dan Bikle of the University of California, San Francisco, who has studied bone loss in rats whose hindquarters are suspended off the ground, recommends intense weight-bearing exercise for 1 second in 10, for a few minutes each day.
Work Smarter Not Harder!
Dr. David Marcon
Cincinnati, Ohio
www.drdavidmarcon.com
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