Ataxia characterized by overreaching a desired object or goal; usually seen with cerebellar disorders. Cf.:hypometria. [hyper- + G. metron, measure]
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hy·per·me·tria -'mē-trē-ə n a condition of cerebellar dysfunction in which voluntary muscular movements tend to result in the movement of bodily parts (as the arm and hand) beyond the intended goal compare HYPOMETRIA
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hy·per·me·tria (hi″pər-meґtre-ə) [Gr. “a passing all measure, overflowâ€] a condition in which voluntary muscular movement overreaches the intended goal.Medical dictionary. 2011.