Cardiac autonomic control and muscle sympathetic nerve activity during dynamic exercise.

@article{Saito1995CardiacAC,
  title={Cardiac autonomic control and muscle sympathetic nerve activity during dynamic exercise.},
  author={Mitsuru Saito and Yoshio Nakamura},
  journal={The Japanese journal of physiology},
  year={1995},
  volume={45 6},
  pages={961-77}
}
We compared sympathetic outflow to the heart and skeletal muscle (MSNA) during dynamic exercise to test whether their mechanisms of control were the same. The sympathetic component to the heart was evaluated by heart rate variability analysis of the power spectrum. MSNA was recorded from the median nerve during graded leg cycling lasting 16 min at loads of 20, 40, 60, and 75% of maximal oxygen uptake (VO2max) in the sitting position. The R-R interval and heart rate variability as well as low… CONTINUE READING

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