©2020 by The Goofy Anatomist

2.10.1. Overview of the Assisting Muscles

Required for Forced Respiration

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When our respiratory effort needs to be increased, other muscles, in addition to the diaphragm and intercostals, are recruited. These will increase the rate and force of ventilation.

  • Serratus anterior

  • Serratus posterior superior

  • Serratus posterior inferior

  • Pectoralis major

  • Pectoralis minor

  • Subclavius

These are explained in more detail in the next few sections.