Clinical experiment moter pathway in physiology ppt
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Motor Pathways Physiology
Presentation · PPTX
What's inside — 20 slides (navy/teal/gold design):
| # | Slide | Content |
|---|---|---|
| 1 | Title | Motor Pathways - Physiology, Anatomy & Clinical Correlations |
| 2 | Outline | 10-topic overview with numbered cards |
| 3 | Motor Control Hierarchy | Pyramid diagram: cortex → brainstem → spinal cord → muscle |
| 4 | Motor Cortex & Homunculus | M1, PMA, SMA (Brodmann areas) + homuncular representation |
| 5 | Corticospinal Tract | Full course: corona radiata → IC → peduncles → pyramidal decussation |
| 6 | Internal Capsule | All 5 parts with tracts + clinical stroke patterns |
| 7 | Lower Motor Neurons | α neurons, γ neurons, neuromuscular junction |
| 8 | UMN vs LMN Table | 9-row comparison: tone, reflexes, atrophy, Babinski, clonus |
| 9 | Reflexes & Babinski | Monosynaptic stretch reflex arc + Babinski sign physiology |
| 10 | Extrapyramidal / Basal Ganglia | Direct vs indirect pathway, Parkinson's, Huntington's, hemiballismus |
| 11 | Cerebellum | 3 zones (vestibulocerebellum, spinocerebellum, cerebrocerebellum) |
| 12 | Non-Pyramidal Descending Tracts | Rubrospinal, vestibulospinal, reticulospinal, corticobulbar |
| 13 | Lesion Localization | Cortex, IC, brainstem, spinal cord, anterior horn, peripheral nerve |
| 14 | ALS | Combined UMN + LMN disease; SOD1, riluzole, management |
| 15 | Tone Disorders | Spasticity vs rigidity vs flaccidity — mechanism + treatment |
| 16 | Gait Patterns | 6 abnormal gaits with cause and clinical description |
| 17 | Spinal Shock & Recovery | 4-phase timeline from hours to months post-SCI |
| 18 | Mnemonics & Exam Pearls | SHAFT, WAFFLES, crossed brainstem syndromes, reflex levels |
| 19 | Summary Table | Pyramidal vs extrapyramidal vs cerebellar side-by-side |
| 20 | References & Questions | 4 textbook references + 3 self-assessment questions |
Content sourced from Guyton & Hall, Neuroanatomy through Clinical Cases, and Ganong's Review of Medical Physiology.
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