Muscles of Respiration: Difference between revisions
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The accessory expiratory muscles are the abdominal muscles: rectus, abdominis, external oblique, internal oblique and transversus abdominis. And in the thoracolumbar region the lowest fibres of iliocostalis and longissimus, the serratus posterior inferior and quadratus lumborum. | The accessory expiratory muscles are the abdominal muscles: rectus, abdominis, external oblique, internal oblique and transversus abdominis. And in the thoracolumbar region the lowest fibres of iliocostalis and longissimus, the serratus posterior inferior and quadratus lumborum. | ||
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Revision as of 20:25, 24 August 2014
The breathing pump muscles are a complex arrangement that form a semirigid bellows around the lungs. Essentially, all muscles that attach to the rib cage have the potential to generate a breathing action. Muscles that expand the thoracic cavity are inspiratory muscles and induce inhalation, while those that compress the thoracic cavity are expiratory and induce exhalation. These muscles possess exactly the same basic structure as all other skeletal muscles, and they work in concert to expand or compress the thoracic cavity.[1]
Primary Muscles[edit | edit source]
Accessory Muscles[edit | edit source]
The accessory inspiratory muscles are the sternomastoid, the scalenus anterior, medius and posterior, the pectoralis major and minor, the inferior fibres of serratus anterior and latissimus dorsi, the serratus posterior anterior may help in inspiration also the iliocostalis cervicis[2].
The accessory expiratory muscles are the abdominal muscles: rectus, abdominis, external oblique, internal oblique and transversus abdominis. And in the thoracolumbar region the lowest fibres of iliocostalis and longissimus, the serratus posterior inferior and quadratus lumborum.
Recent Related Research (from Pubmed)[edit | edit source]
[edit | edit source]
References[edit | edit source]
- ↑ Breathe Strong, Perform Better by Alison McConnell http://www.humankinetics.com/excerpts/excerpts/learn-the-anatomy-and-physiology-of-the-muscles-involved-in-breathing
- ↑ 2.0 2.1 http://voiceandalexandertechnique.eu/voice-anatomy/pharynx-and-larynx/muscles-involved-in-voice-production/muscles-of-respiration.html