wing-beating tremor

w·ing-beat·ing tre·mor

a coarse, irregular tremor that is most prominent when the limbs are held outstretched, reminiscent of a bird's flapping its wings; due to up and down excursion of arm at abducted shoulder. Seen mainly with Wilson disease.

wing-beat·ing trem·or

(wing'bēt-ing trem'ŏr)
A coarse, irregular shaking movement that is most prominent when the limbs are held outstretched, reminiscent of a bird's flapping its wings; due to up-and-down excursion of arm at abducted shoulder. Seen mainly in Wilson disease.
References in periodicals archive ?
Rigidity, dystonia, bradykinesia and wing-beating tremors are the major manifestations of involvement of basal ganglia.