Facial synkinesis is the involuntary movement of facial muscles that accompanies purposeful movement of some other set of muscles.

The prognosis of facial synkinesis is quite variable, depending largely on the prognosis of the underlying condition that caused its development.

Facial synkinesis can follow any injury or condition causing palsy or paralysis of the facial nerve. The most common associated disorder is Bell's palsy.

nerve sprouts accidentally misdirect nerve transmission, so that efforts to utilize certain muscle groups accidentally prompt the functioning of other muscle groups.

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