<prompt> Dysmetria is due to lesion of ___MidbrainPonsMedullaCerebellum  <response>: Cerebellar signs usually involve balance and coordination, and may include: Unsteady and clumsy motion of the limbs or torso Ataxia Inability to stand or sit without suppo Astasia Inability to judge distance or scale Dysmetria Inability to coordinate fine motor activities Intention tremor, e.g. past-pointing pointing beyond the finger in the finger-nose test Inability to perform rapid alternating movements Dysdiadochokinesis, e.g. inability to rapidly flip the hands Involuntary left-right eye movements Nystagmus 