Flashcards in Back, spine Deck (26)
Herniation of cervical IV disc most like where?
S1 - sensory innervation to?
L4 - sensory inn where?
Medial aspect of leg
MC herniation in lumbar and cervical vertebra?
Lumbar - between L4-L5 or L5-S1
Cervical - between C5-C6 or C6-C7
C7 - digits 2,3,4
C6 - lateral forearm
Biceps brachi reflex
C5 - lateral arm
Herniated IV disc
Why is disc herniation more common in posterolateral position?
Posterior annulus fibrosus is weaker than anterior
PLL is narrower and weaker than anterior
Curvature of primary curvature
think: firST - sacral and thoracic curve first
Curvature of secondary curvature
MC area involved in spina bifida occulta
Site of lumbar hernia
Lumbar triangle of petit
Damage to spinal cord at 4th lumbar spinal segment. Which column is spared?
Only present in upper part
Weakness of R lower ex. Loss of pain and temp beginning at level of umbilicus. Dx? Which correlates to weakness of lower ex?
Right lateral corticospinal
Loss of proprioception, vibratory sense, 2 of discrimination. Lower ex.
Pain and temp
Part of spinothalamic tract - for touch/ pressure
Part of spinothalamic tract - for pain and temp
Parts of dorsal column
Degeneration of posterior column in syphillis
Central cord syndrome
Affects spinothalamic tract