The Carol Bike 2.0
A stationary bike that gives “Don’t sweat it” new meaning
Is it possible to telescope into three brief workouts per week all the cardiovascular exercise you need not just to keep healthy but to quite radically improve your fitness—and to do it without breaking a sweat?
The notion sounds as fanciful as a free and delicious lunch with no calories, but it is the promise offered by HIIT (High-Intensity Interval Training), a fitness regimen that started in the 1950s and, to the great surprise of fitness-fad skeptics, is backed up today by a wide range of respectable studies. Today, HIIT is known to help reduce heart rate, blood pressure, and blood sugar; burn fat and calories; and even improve brain function, among other things.
