Progress and Prospects in Parkinson's Research/Symptoms/Hypokinesia

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Hypokinesia
Reduced force, impetus or speed of movement

The following refences are relevant:-

Ackermann et al (1989) Palilalia as a symptom of levodopa induced hyperkinesia in Parkinson's disease.

Heldman et al (2011)  The Modified Bradykinesia Rating Scale for Parkinson’s Disease: Reliability and Comparison with Kinematic Measures #

Espay et al (2011) Differential Response of Speed, Amplitude, and Rhythm to Dopaminergic Medications in Parkinson’s Disease 

Further Research
References