Neuro_Spinal Tracts MUST KNOW

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  1. Name all ascending (sensory) tracts - 3
    • Spinothalamic
    • Dorsal column medial lemniscus (DCML)
    • Spinocerebellar
  2. DCML - 3 TEST QUESTIONS - what type of tract; injury where? responsible for what? (3)
    • ASCENDING TRACT - sensory
    • INJURY - Posterior SC
    • Proprioception
    • Vibration
    • Discriminating touch (2pt & graphesthesia)
  3. DCML - Deficits - lesion below medulla (in SC) vs lesion above medulla
    • SC = IPSI side
    • Above medulla = CONTRA
  4. Pathology of DCML leads to what conditions? - 2
    • B12 deficiency
    • Tabes Dorsales
  5. ANTERIOR Spinothalamic tract - what type of tract; responsible for what? (2)
    • ASCENDING TRACT - sensory
    • CONTRA deficits
    • Pressure (deep touch)
    • Crude touch
  6. LATERAL Spinothalamic tract - what type of tract; responsible for what? (3)
    • ASCENDING TRACT - sensory
    • CONTRA deficits
    • Pain - crosses right away
    • Temp
  7. Spinocerebellar anterior tract - what type of tract? is responsible for what? - 3
    • ASCENDING TRACT - sensory
    • Tension in mm
    • Joint sense
    • Posture of trunk & LE
  8. What is different about pain?
    It crosses right away
  9. Corticospinal tract – what type of tract; side effects of when tract is injured (3) (1 QUESTION ON TEST)
    • DESCENDING TRACT - motor
    • Paralysis
    • Hypertonicty
    • Hyperreflexia
  10. Anterior Corticospinal tract - does it cross? responsible for what?
    • DESCENDING TRACT - motor
    • Tract DOESN’T cross
    • IPSI Proximal axial mms (skeletal mm of trunk & head)
  11. Lateral Corticospinal tract - does it cross? responsible for what?
    • DESCENDING TRACT - motor
    • Tract crosses in medulla
    • CONTRA limb mms
    • Fine movement
  12. Anterior cord damage - what is impaired? what is preserved?
    • Forced flexion, compression - diving or car accident
    • B/L Loss - motor, pain, T (Lateral spinothalamic )
    • Preserved - DCML
  13. Posterior cord damage - damage to what tract? what is impaired? what is preserved? type of gait
    • Motor OK, sensory impaired
    • Damage to DCML - B/L sensory loss - proprioception, vibration, 2pt discrimination, P 
    • Preserved - MOTOR, pain, light touch
    • Gait - ataxic w/wide BOS
  14. Central cord damage - 5
    • Older pts w/spondylosis in hyperextension injury
    • UE more involved than LE
    • Loss - motor + pain, T (Lateral spinothalamic) 
    • Preservation - DCML (proprioception, vibration, tactile discrimination)
  15. Brown-Sequard syndrome - 5
    • Hemisection of spinal cord - stab or gunshot
    • Asymmetrical U/L involvement
    • IPSI loss - motor + DCML (proprioception, vibration, tactile discrimination)
    • CONTRA loss - pain, T (Lateral spinothalamic) + P (Anterior Spinotholamic)
  16. Damage to what will lead to ipsilateral impairments?
    Cerebellar lobe
  17. Dull, aching sensations - travel where?
    Anterior spinothalamic tract
  18. Discriminative, fast pain - travels where?
    Lateral spinothalamic tract
  19. Discriminative touch - travels where? (2)
    • Proprioceptive pathways:
    • Fascicles gracilis/cuneatus
    • Medial lemniscus

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Author:
Tanuisha
ID:
323546
Filename:
Neuro_Spinal Tracts MUST KNOW
Updated:
2017-09-21 17:32:45
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Neuro Spinal Tracts MUST KNOW
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Neuro_Spinal Tracts MUST KNOW
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