Muscles of the Respiration System Flashcards
How many lobes each lung got?
Right lung got 3
left lung barely got 2 (like a chump)
How many openings do the diaphragm got? What they names?
Three
Aortic Hiatus
Esophageal Hiatus
Foramen Vena Cava
The origin locations of thee diaphragm?
Ribs 7-12
Xiphoid Process
Lumbar Vertebrae (L1-L4)
Okay, what’s the insertion of da diaphragm?
The central tendon (is an aponeurosis)
What that diaphragm do?
INSPIRE
From hwat is the diaphragm innervated by?
phrenic nerve composed of C3,C4,C5
Function of the external intercostal muscles?
They INSPIRE, via elevation thru the anterior-posterior dimension
What is the external intercostal muscles innervated thus by?
spinal nerves T1-Tll
Function of the internal intercostal muscles?
they EXPIRE, via depression thru ant-posterior dimension
What pedazos are the abdominal aponeurosis composed of?
Linea alba straight down the middle
Posterior sheath
Anterior Sheath
What is that connective tissue sheath on the lower back called?
the thoracolumbar fascia
Rectus abdominus attachments and innervation?
Attachments:
xiphoid
pubis symphysis and pubis bone
costal cartilage of ribs 5-7
Innervation:
Thoracis spinal nerves (T5-T11)
and T12
Innervation of the transverse abdominis?
T7-11, T12, and L1
Attachments of the transverse abdominis?
Pubic crest and symphysis, Iliac crest, Thoracolumbar fascia
Internal surfaces of ribs 7-12 (ONLY cart), xiphoid process
linea alba
Attachments of external oblique?
xiphoid process, external ribs 5-12,
anterior iliac crest, pubis bone (not symphysis!)
linea alba
