Muscles of respiration Flashcards
1
Q
What type of muscles are the ventilatory muscles?
A
Skeletal muscle
2
Q
Describe the diaphragm
A
Thin, musculotendinous dome-shaped sheet of muscle that separates the thorax from the abdomen
3
Q
What is the large and flat part?
A
The central tendon
4
Q
What nerve innervates the diaphragm?
A
The right and left phrenic nerves
5
Q
What are the origins of the phrenic nerves?
A
3rd to 5th cervical spinal nerves. ‘C3, C4, C5, keeps the diaphragm alive’.
6
Q
At rest, what level is the diaphragm at?
A
T9
7
Q
What three major structures travel through the diaphragm?
A
Aorta, inferior vena cava and oesophagus
