Respiratory muscle energetics during exercise in healthy subjects and patients with COPD.

@article{Scano2006RespiratoryME,
  title={Respiratory muscle energetics during exercise in healthy subjects and patients with COPD.},
  author={Giorgio L Scano and Michela Grazzini and L. Stendardi and Francesco Gigliotti},
  journal={Respiratory medicine},
  year={2006},
  volume={100 11},
  pages={1896-906}
}
The energy expenditure required by the respiratory muscles during exercise is a function of their work rate, cost of breathing, and efficiency. During exercise, ventilatory requirements increase further exacerbating the potential imbalance between inspiratory muscle load and capacity. High level of exercise intensity in conjunction with contracting respiratory muscles is the reason for respiratory muscle fatigue in healthy subjects. Available evidence would suggest that fatigue of the diaphragm… CONTINUE READING

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