Retropulsion
/ˌrɛtrəʊˈpʌlʃən/
noun
1.
(med) an abnormal tendency to walk backwards: a symptom of Parkinson’s disease
retropulsion ret·ro·pul·sion (rět’rō-pŭl’shən)
n.
An involuntary backward walking or running, as seen in Parkinsonism.
A pushing back of a part or organ.
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