You are so overcome with fatigue and aching muscles after running 15 laps that you just want to lie down and rest. Blame a brain mechanism rather than your physical prowess that limits performance and ensures one's own limits are not exceeded, a study reveals.
You are so overcome with fatigue and aching muscles after running 15 laps that you just want to lie down and rest. Blame a brain mechanism rather than your physical prowess that limits performance and ensures one's own limits are not exceeded, a study reveals.
The study led by neuro-psychologist Kai Lutz from the University of Zurich with Urs Boutellier from ETH Zurich, Switzerland, discovered neuronal (brain cell) processes reduce muscle activity during muscle-fatiguing exercise, the European Journal of Neuroscience reported.
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The third and final part of this series of experiments, conducted by Lea Hilty, under Lutz, found that "the neuronal system not only informs the brain, but also actually has a regulating effect on motoric activity", said Hilty, according a university statement.
A motoric activity is a learned sequence of movements that combine to produce a smooth, efficient action in order to master a particular task.
"The findings are an important step in discovering the role the brain plays in muscle fatigue," Lutz added.
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