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Can you really get fit with so little exercise?
Yes. And let me say this -- be wary of the word "fitness." Health is what we are after not necessarily fitness. The exercise scientists use a treadmill fatigue/oxygen uptake test to guesstimate a person's level of fitness. They have created parameters from testing thousands of people to determine who is fit and who is not. However, it is entirely possible to be extremely fit by way of this test and yet at the same time smoke cigarettes, abuse alcohol, and be riddled with cardiovascular disease. On the other hand, it is entirely possible to perform poorly on such a fitness test yet upon a physician's routine physical examination, be perfectly healthy. There are tens of thousands of fit yet, unhealthy people - and vice versa. This is probably the reason why doctors do not require this sort of test when examining people. It tells them very little about a person's actual health.
Slow Burn exercise stimulates positive adaptations to every aspect of your body including the cardiovascular system. Once stimulated, the body needs time, roughly 48-96 hours, to produce the benefits. Science indicates that if the quality of an exercise program is high, 2 sessions a week of exercise is more than adequate to cause optimal positive results. More than three sessions produces little added physical benefits. Remember, exercise itself doesn't make you "fit" or healthy. In fact it is sort of a necessary evil. The body becomes healthier if the exercise stimulus is adequate and if rest and recovery is allowed for. Quality not quantity is the key.
Barring any unforeseen disease which no amount or kind of exercise can cure, if all you do for exercise is Slow Burn twice weekly, you will score very well on one of those treadmill tests if you ever find yourself taking one.
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