Muscles of Inspiration
Innervation to the primary muscle of inspiration
Phrenic n
Two expiratory muscles with same attachments and fiber orientation
Internal and innermost intercostal mm
Resting breath volume
Tidal volume
Cells lining the trachea (respiratory epithelium) have ___ which help move mucous and foreign material out of the system
Cilia
Bones which form the only true articulation between the axial and appendicular skeleton of the UE
Clavicle + Sternum (also accept manubrium)
Muscle with "hands in pockets" fiber orientation
External intercostal
Accessory expiratory muscle found in the back + does not attach to the UE
Serratus posterior inferior
A respiratory cycle is composed of
One inhalation and one exhalation
Alveolus
True ribs: 7 false: 3 floating:2
Serratus anterior attaches to this UE structure
Scapula
Structure that separates the inner and innermost intercostal mm
Intercostal neurovascular bundle (NAV)
Volume of air left in lung after maximum expiration
Residual lung volume
Substance that prevents total collapse of alveoli is called ____ and is secreted by ____ cells
Surfactant, type 2 pneumocytes
Bony landmark seen where the intercostal neurovascular bundle runs
Costal groove
Thoracic wall changes with accessory muscle use
Group of muscles that all share accessory expiration function
Abdominal mm (IO, EO, RA, TA)
Volume of air available for speech
Vital capacity (TV+IRV+ERV)
The components of the respiratory membrane
Type 1 pneumocytes, capillary endothelium and their basement membranes
Most inferior subunit of the sternum
Xiphoid (process)
Muscle innervated by both the medial and lateral pectoral n
Pectoralis major m
Deepest anterior abdominal wall muscle
Transversus abdominus
Volume of air available for speech ____ when laying down
Decreases
Number of secondary bronchi on each lung (L+R)
Left: 2 Right: 3
Type of joint which allows movement between 2 bones
Synovial