Queen's Health Center
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|Posted on September 18, 2012 at 1:16 PM|
According to Dr. Mark Houston, exercise is not about burning calories, it is really about genetic signaling via hormones. He compares Olympic sprinters and Olympic marathon runners, both have low percentages of body fat, but sprinters have even less. It may sound strange since marathon runners run extremely long distances and burn more calories than sprinters. Dr. Houston states that the key difference is that sprinters exercise in very short, all-out bursts of energy, while marathon runners exercise for hours at a slower pace. As it was previously stated sprinting does not burn as many calories as marathon runners, but it does trigger a release of adrenaline, human growth hormone, cortisol, and testosterone. This combination of hormones elevates caloric consumption for hours and even days after the sprinter has stopped running. Taking 20 to 30 minutes out of your day to do some sprints and interval training will increase the body's metabolic rate for hours!
Info provided by: What Your Doctor May Not Tell You About Heart Disease, By Mark C. Houston, M.D., M.S.
In good health,
Shana Burns, C.N.
Categories: Health Tips