15 Warning Signs Of Cerebellar Degeneration

11. Dysmetria

Dysmetria is the inability to judge the distance or range of a movement, leading to overshooting (hypermetria) or undershooting (hypometria) a target. It’s often tested by asking patients to alternately touch their nose and the examiner’s finger. Dysmetria arises when the cerebellum can’t accurately scale muscle force and timing. Repetitive practice under therapist guidance can improve accuracy, and weighted utensils or splints may temporarily stabilize tremulous movements during tasks like eating or writing.