Hyperthermia: a failure of the motor cortex and the muscle.

@article{Todd2005HyperthermiaAF,
  title={Hyperthermia: a failure of the motor cortex and the muscle.},
  author={Gabrielle Todd and Jane E Butler and Janet L. Taylor and Simon C. Gandevia},
  journal={The Journal of physiology},
  year={2005},
  volume={563 Pt 2},
  pages={
          621-31
        }
}
Fatigue is increased during hyperthermia, and torque declines more rapidly in sustained maximal voluntary contractions (MVCs). This can be caused by a greater decline in voluntary activation of muscle (i.e. 'central fatigue'). The present study aimed to localize the site of failure of voluntary drive during hyperthermia. Seven subjects made brief (2-3 s) and sustained (2 min) MVCs of elbow flexor muscles in two experiments. Core temperature was normal (approximately 37 degrees C) in the first… CONTINUE READING

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