Rat locomotory muscle fiber activity during trotting and galloping.

@article{Sullivan1978RatLM,
  title={Rat locomotory muscle fiber activity during trotting and galloping.},
  author={Timothy Sullivan and Robert B Armstrong},
  journal={Journal of applied physiology: respiratory, environmental and exercise physiology},
  year={1978},
  volume={44 3},
  pages={358-63}
}
This study was designed to investigate the hypothesis that the trot-gallop transition in running guadrupeds occurs when active cross-sectional areas of muscles or fiber populations within muscles, reach some critical point as animals increase speed within trotting. Rats (Rattus norvegicus) were used as experimental animals, and glycogen depletion was used to estimate patterns or fiber activity. Our results indicate that 1) the contribution to power output by the front limb muscles was less than… CONTINUE READING

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