Achilles jerk


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Related to Achilles jerk: Achilles tendon reflex

Achilles jerk

n.
A reflex bending of the foot resulting from the contraction of lower leg muscles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.