Movement Disorders Flashcards

1
Q

Akinesia

A

absence, poverty, or loss of control of voluntary muscle movements. This is seen in severe Parkinson’s disease.

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2
Q

Bradykinesia

A

slowness of movement, core symptom in Parkinson’s disease along with tremor and rigidity.

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3
Q

Athetosis

A

continuous stream of slow, flowing, writhing involuntary movements.

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4
Q

Chorea

A
  • brief, quasi-purposeful, irregular contractions that are not repetitive or rhythmic, but appear to flow from one muscle to the next.
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5
Q

Dyskinesia

A

general term referring to problems with voluntary movements and the presence of involuntary movements.

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6
Q

Myoclonus

A

Sudden involuntary jerks of a muscle or a muscle group. These are not suppressible.

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7
Q

Parkinsonism

A

syndrome characterized by tremor, rigidity, and bradykinesia

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8
Q

Tic

A

sudden, repetitive, non rhythmic, stereotyped motor movement or vocalization involving discrete muscle groups. These are different to myoclonus as they are suppressible.

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9
Q

Hemiballismus

A

repetitive, but constantly varying, large amplitude involuntary movements of the proximal parts of the limbs

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