Motor control Flashcards
What are 5 motor control disorders?
- Parkinson’s disease
- Huntington’s chorea
- Essential tremor
- Hemiballism
- Tardive dyskinesia
Parkinson’s pathology suggests _____, ___ and ____ causes.
genetic, viral and toxic
_____ of focal ______ can also cause PD like symptoms.
injury; ischemia
What neurotoxic chemical is toxic in PD?
MPTP
Bradykinesia, mask face and micrographia are part of the characteristic appearance of ____.
PD
Parkinsonian _____ is often the first symptom to appear and occurs in ____% of pt’s.
70
Parkinsonian tremor begins as an alternating flexion/extention contractions of the hand at __-__ Hz, and with disease progression speed increases to __-___ Hz.
3-4; 7-12
What are the 4 main symptoms of PD?
- Resting tremor
- Rigidity
- Bradykinesia
- Postural instability
What is cogwheel rigidity?
passive movement in PD may be interrupted by brief muscular jerks
______ = difficulty initiating,g continuing, synchronizing movements interspersed with freezing
bradykinesia
______ = decreased frequency of movements, absence of associated movements
hypokinesia
_______ = most prevalent and crippling symptom, often overlooked
akinesia
Akinesia can affect all ______ muscles.
striated
Is akinesia and rigidity the same thing?
NO
What are three factors of postural abnormalities in PD?
- Postural fixation
- Equilibrium
- Difficulty righting
_______ abnormalities = neuroendocrine abnormalities, constipation, urinary retention
autonomic
Depression in PD may be helped with what type of therapy?
electroconvulsive shock therapy
Cognitive symptoms ______ and progressively _______ with length of disease.
fluctuate; worsen
Onset of PD occurs around ___ - ___ years of age.
50-60
The course of the PD is __-___ years.
15-20
PD may reduce life expectancy.
Not true, because onset is late
In ___, there is a high degree of variation between individuals and types.
PD
______ is a common co-morbidity in PD.
dementia