Motor Control- Voluntary Movement & Movement Disorders

Motor Control- Voluntary Movement & Movement Disorders...

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Voluntary Movement Voluntary Movement
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Specify details of the  movement - Direction - Magnitude - Speed 3 Divisions - Premotor cortex - Supplementary   motor cortex - Primary motor    cortex  (M1)   Motor Areas Motor Areas
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Corticospinal Tract Corticospinal Tract Motor cortex controls muscles  on the opposite side of the  body. Somatotopy in M1 Somatotopy in M1 A lesion to the motor cortex  (e.g., stroke) will affect the  opposite side of the body.
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Located directly  behind the  brainstem.  Coordination  Balance  Posture “Comparator”  Function   Cerebellum Cerebellum Cerebellum
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Basal Ganglia Basal Ganglia Control certain  muscular activities via  regulation of two  neurotransmitters:  -GABA   inhibitory  neurotransmitter -dopamine    excitatory, facilitates  activity Masses of gray matter  deep within cerebral  hemispheres.
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Movement Disorders Movement Disorders
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This note was uploaded on 02/09/2011 for the course MOVESCI 110 taught by Professor Katch during the Spring '08 term at University of Michigan.

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Motor Control- Voluntary Movement & Movement Disorders...

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