Abstract

Publisher Summary This chapter provides an overview of the discussion focusing on mechanics and control in respiratory muscles in man. In the 19th century, the study of respiratory mechanics was devoted largely to the arrangement and action of individual muscle. During the present century, under the influence of Rohrer and Fenn, the breathing apparatus was considered in more abstract form as a lumped system, consisting of resistance and compliance, which produced flow when driven by a pressure change. The symposium reflects a more recent trend to examine the components of the system and their interaction. This approach combines the abstract mathematical method of Rohrer and Fenn, with recognition of the actions of individual muscle groups. The driving forces for the passive mechanical system are generated by muscle, which like other skeletal muscles are subject to fatigue. The chapter highlights not only the basic mechanical system but also the neural elements that determine its behavior and produce awareness at the level of consciousness in response to sufficient loads.

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