ball is mus

[From Gr. βαλλισμός ( ball is mos ) a jumping about, a dancing; βαλλίζω ( ballizo ) to throw the leg about, to dance.] Med. A variety of palsy, called by Parkins on Paralysis agitans , or shaking palsy, of which the symptoms are the trembling of the limbs even when they are supported. When the patient tries to walk he is compelled to adopt a running pace. The disease is a rare one, and generally terminates in death.