Left ventricular functional capacity in the endurance-trained rodent.

  title={Left ventricular functional capacity in the endurance-trained rodent.},
  author={D P Fitzsimons and Paul W Bodell and R. E. Herrick and Kenneth M. Baldwin},
  journal={Journal of applied physiology},
  volume={69 1},
Cardiac myosin P-light chain phosphorylation [P-LC(P)] has been proposed to augment myocardial force production. This study was undertaken to examine the potential for cardiac myosin P-LC(P) for both equivalent heart rate and work load in exercising endurance-trained and nontrained rodents. A 10-wk training protocol elicited a significant reduction in submaximal running O2 uptake while enhancing peak O2 uptake (-17 and 10%, respectively, P less than 0.05). Left ventricular functional index… CONTINUE READING
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