Motor unit synchronization is increased in biceps brachii after exercise-induced damage to elbow flexor muscles.

@article{Dartnall2008MotorUS,
  title={Motor unit synchronization is increased in biceps brachii after exercise-induced damage to elbow flexor muscles.},
  author={Tamara Jade Dartnall and Michael A. Nordstrom and John G Semmler},
  journal={Journal of neurophysiology},
  year={2008},
  volume={99 2},
  pages={1008-19}
}
The purpose of this study was to determine the effect of eccentric exercise on correlated motor unit discharge (motor unit synchronization and coherence) during low-force contractions of the human biceps brachii muscle. Eight subjects (age, 25 +/- 7 yr) performed three tasks involving isometric contraction of elbow flexors while EMG (surface and intramuscular) records were obtained from biceps brachii. Tasks were 1) maximum voluntary contraction (MVC); 2) constant-force contraction at various… CONTINUE READING

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