synkinetic
/ˌsɪŋkɪˈnetɪk/Definitions
1. adjective
Relating to or caused by an abnormal contraction of a muscle, especially in the face, resulting in involuntary movements.
“The patient’s synkinetic spasms made it difficult for her to speak clearly.”
2. noun
A synkinetic spasm or movement.
“The doctor examined the patient’s synkinetic episodes to determine their cause.”