What are the initial physical findings of Parkinson disease (PD)?

Updated: Jan 24, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Onset of motor signs in Parkinson disease is typically asymmetric, with the most common initial finding being an asymmetric resting tremor in an upper extremity. Over time, patients notice symptoms related to progressive bradykinesia, rigidity, and gait difficulty. The first affected arm may not swing fully when walking, and the foot on the same side may scrape the floor. Over time, axial posture becomes progressively flexed and strides become shorter.


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