Medical Dictionary

ankle jerk

noun

Medical Definition of ANKLE JERK

:  a reflex downward movement of the foot produced by a spasmodic contraction of the muscles of the calf in response to sudden extension of the leg or the striking of the Achilles' tendon above the heel—called also Achilles reflex

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July 01, 2015
precarious Hear it
not certain, secure, or steady
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