On fatigue

  • Giovanni Alfonso Borelli


The feeling of weakness is very different from tiredness. This is obvious. Weakness results from simple lack of strength or impetus to act. Tiredness is some uneasiness perceived after exhausting work. Children who cannot raise heavy weights because of a lack of strength, joyfully dance and trample tiredlessly. But strong men after violent motions of the body perceive this unpleasant and painful feeling of the limbs and spirits with anxiety and deprivation which is called fatigue. This feeling has several causes.


Extensor Muscle Heavy Weight Muscular Fibre Injured Organ Painful Feeling 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • Giovanni Alfonso Borelli

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