Ventilation Articles

Mechanics of Ventilation

By Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS on January 28th 2009

Movements of the Thorax During Ventilation
Each rib has its own pattern of movement, but generalizations can be made. The ribs attach anteriorly to the sternum (except ribs 11 and 12) and posteriorly to the vertebral bodies, disks, and transverse processes, making a closed kinematic chain. The thorax enlarges in all three planes of movement during […]

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Filed Under: Jeff, Physical Therapy
Tags: Compliance, Flow Rates, Ventilation

Review Of Respiratory Structure and Function

By Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS on January 27th 2009

Respiration is a general term used to describe gas exchange within the body and can be categorized as either external respiration or internal respiration. Basic terms are described here but an in-depth discussion of respiratory physiology, including diffusion and perfusion, goes well beyond the scope or purpose of this chapter. The reader is referred to […]

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Filed Under: Jeff, Physical Therapy
Tags: Respiration, Thorax, Ventilation

Muscles of Ventilation

By admin on January 27th 2009

Multiple muscles attaching to the thoracic cage have an impact on the movement of air in and out of the lungs during either the inspiratory or expiratory phases of breathing.
Ventilatory muscles, also referred to as respiratory muscles, are classified as primary or accessory. The primary muscles of ventilation are recruited during quiet (tidal) breathing, whereas […]

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Filed Under: Jeff, Physical Therapy
Tags: diaphragm, Expiration, Inspiration, Ventilation

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