Thoracolumbar Spine IV- Acute IDDs Flashcards
______ IDD is less common than persistent IDD
Acute
Acute IDD is rare in the ______ region
thoracic
With acute IDD it is MOST common in the _______ region
lumbar
Only ___-___% of IDDs are symptomatic
1; 3
Persistent IDD is the source of pain in < ___% of LBP
5
Acute IDD is MOSTLY involved with ___-____ year olds
30; 50
95% of acute IDD’s occur at ___-_____ region
L4; S1
With acute IDD, the _______ portion of the disc is the MOST common area
posterolateral
The posterolateral portion of an acute IDD is ______, thinner, and with MORE _______ and LESS ______ annular fibers
weaker
vertical
oblique
The posterolateral portion of the an acute IDD is just lateral to the _____ ______ ligament
posterior longitudinal
`What is the main etiology for acute IDD?
trauma
With acute IDD there is ______ compression
axial
With acute IDD, forward bending or stooping without or with twisting/lifting leads to…
LESS _________ disc compression
Unevenly distributed ______ tension
Increased and asymmetrical stress on weaker and thinner __________ annular and end plate fibers
Less fixated _____ _____
circumferential
annular
posterolateral
end plates
With acute IDD, forward bending or stooping without or with twisting/lifting leads to…
MORE ______ _______ shearing force due to the above plus pull of gravity, except less at ____, _____
anterior segmental
L5, S1
With acute IDDs
It is MORE commonly OUTER ______ ______ and ______ ______ avulsion
LESS commonly INNER ______ ______ and ______ ________ herniation
annular tearing; end plate
annular tearing; nucleus pulposus
With acute IDD, the disc structures are ____________ once damaged and a large _______ immune inflammatory response occurs
immunoreactive; AUTO
With an acute IDD, a Large AUTO immune inflammatory response occurs:
There is excessive _______ pressure OR increased ______ fluid pressure in and around disc and spinal n.
osmotic; static
With an acute IDD, a Large AUTO immune inflammatory response occurs:
Static fluid consists of increased _______ chemicals that sensitizes n. and structures to ______/_______
inflammatory
pressure; tension
With an acute IDD, a large AUTO immune inflammatory response occurs:
__________/________ S&S could occur
NO ________ vv. in PNS or CNS; results in poor drainage on its own
there is an ________ inflammatory phase
radiculpathy/radicular
lymphatic
EXTENDED
With acute IDD, the typical postlat IDD symptoms:
____/_____ spinal pain
*The annulus is highly _____ so very P!ful
There is significantly MORE swelling than cervical disc due to higher number of ______
dull; achy
innervated
GAGs