thorax and ribcage Flashcards
sternal notch is located at which level
T2
sternal angle (agle of loius) attaches whwere
2nd rib and level with T4
nipple is at what dermatome
T4
main motion of thorax
rotation
primary muscles of respiration
diaphragm
intercostals
attacments of diaphragm
xypoid process, ribs 6-12 on either side, bodeies of intervertebral discs of L1-L3
action of intercostals
elevate ribs during inspiration
prevent retractions during inspiration
secondary muscles of respiration
LPS SQuad
lats pec minor scalenes serratus anterior and post quad lumborum
muscle attach rib 1 and 2
scalenes
muscle attach ribs 3-5
pec minor
muscle attach ribs 6-9
serratus anterior
rib attach with quad lumborum
ribs 12
rib attach lats
rib 10-11
atypical ribs
1,2,11,12
if have 1 or 2 in it
why is rib1 atypical
articulates only with T1 and has no angle
why is Rib 2 atypical
large tuberosity on shaft for serratus antgerior
why is rib 11 and 12 atypical
articulate only with corresponding cert, lack tubercles
why is rib 10 atypical
only articulates with T10
what makes typical rib typical
head articulates with vert above and at corresponding vert
true ribs?
1-7
false ribs?
8-12
floating ribs
11 and 12
what ribs move primarily in pump handle
1-5
bucket handle ribs
6-10
caliper motion ribs
11 and 12
inhalation rib dysfucntion treat what rib
bottom
exhalation rib dysfunction treat what rib
top
