Respiration & phonation & articulation Flashcards
in the boney structure for respiration, what is the anterior part?
sternum
in the boney structure for respiration, what is the posterior part?
spine
in the boney structure for respiration, what is the superior part?
pectoral/clavicular girdle
in the boney structure for respiration, what is the inferior part?
pelvic girdle
in the boney structure for respiration, what is the lateral part?
ribs
what do we expand in order to breathe?
our thoracic cavity
lungs adhere to the cavity because of what?
surface tension
What are the primary muscles of inhalation?
diaphragm & external intercostals
what does the diaphragm innervate?
phrenic nerve
Contraction increases the cavity which results in?
negative pressure and air rushes in
because contraction increases the cavity what does this create and what is the result?
negative pressure & air rushes in
what are the primary muscles for forced exhalation?
abdominals & internal intercostals
for passive exhalation what forces are working together?
torque, elasticity, and gravity
________ of muscles of inspiration is used to extend exhalation during speech.
checking action
What is subglottal pressure?
the pressure inferior to the vocal folds