Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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10.09.2017 |
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Knowing you're doing physical exercise makes it healthier
The positive health effects of physical exercise increase if you are aware of the fact that you are exercising. British-American psychologist Alia Crum reported about this in 2007 in a study published in Psychological Science. Crum discovered that people who exercise a lot but don't know how healthy their lifestyle is develop lower blood pressure and lose weight when they learn about the positive effects of exercise.
Study
The researchers told the cleaners in 4 of the 7 hotels about the health benefits of physical exercise during a meeting [Informed]; the cleaners in the other 3 hotels were not told about the benefits [Control]. Crum and Langer measured the cleaners' physical condition before they gave the cleaners information on the health benefits and four weeks after they had done so.
Results
This change in perception had positive health effects. The participants lost over a kilogram in weight, their fat decreased by 1 percentage point, their waist measurement decreased and their systolic blood pressure went down.
Conclusion
Crum recently published a study which shows that a mind set can also alter the health effects of physical exercise in a less positive way. According to that study physical exercise loses some of its positive health effects if people think that they are not doing much exercise.
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