Health and Medical News and Resources

General interest items edited by Janice Flahiff

How Muscle Fatigue Originates in the Head

From the 5 December 2011 Science Daily news item

Researchers from the University of Zurich have now studied in detail what sportsmen and women know from experience: The head plays a key role in tiring endurance performances. They have discovered a mechanism in the brain that triggers a reduction in muscle performance during tiring activities and ensures that one’s own physiological limits are not exceeded. For the first time, the study demonstrates empirically that muscle fatigue and changes in the interaction between neuronal structures are linked…

“The findings are an important step in discovering the role the brain plays in muscle fatigue. Based on these studies, it won’t just be possible to develop strategies to optimize muscular performance, but also specifically investigate reasons for reduced muscular performance in various diseases.” Prolonged reduced physical performance is a symptom that is frequently observed in daily clinical practice. It can also appear as a side effect of certain medication. However, so-called chronic fatigue syndrome is often diagnosed without any apparent cause.

 

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December 6, 2011 - Posted by | Medical and Health Research News | , , , , ,

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