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Respiratory Muscle Energetics

Handbook of Physiology, The Respiratory System, Mechanics of Breathing

  1. Charis Roussos1,
  2. E. J. M. Campbell2

Published Online: 1 JAN 2011

DOI: 10.1002/cphy.cp030328

Comprehensive Physiology

Comprehensive Physiology

How to Cite

Roussos, C. and Campbell, E. J. M. 2011. Respiratory Muscle Energetics. Comprehensive Physiology. 481–509.

Author Information

  1. 1

    Critical Care Medicine and Meakins-Christie Laboratories, Royal Victoria Hospital, Department of Medicine, McGill University, Montreal, Canada

  2. 2

    Department of Medicine, McMaster University, Hamilton, Ontario, Canada

Publication History

  1. Published Online: 1 JAN 2011

Abstract

The sections in this article are:

  • 1
    Thermodynamics
    • 1.1
      Heat, Work, and Efficiency
    • 1.2
      Energy Balance
    • 1.3
      Energetics and Limitation of Airflow
  • 2
    Energy Supply
    • 2.1
      Blood Flow
    • 2.2
      Substrate Metabolism
    • 2.3
      Estimation of Energy Change
    • 2.4
      Tension-Time Index
  • 3
    Work of Breathing
    • 3.1
      Definitions
    • 3.2
      Positive Work, Negative Work, and No Work
    • 3.3
      Graphical Analysis of Work
    • 3.4
      Theoretical Estimation of Work
    • 3.5
      Measurement of Mechanical Work
    • 3.6
      Work Rate (Power)
    • 3.7
      Maximal Available Work and Power
  • 4
    Efficiency of Breathing
    • 4.1
      Mechanical Work
    • 4.2
      Metabolic Cost
  • 5
    Physiological Considerations
    • 5.1
      Optimal Breathing Frequency
    • 5.2
      Respiratory Muscle Energetics and Exercise
    • 5.3
      Respiratory Muscle Energetics in Health and Disease