rider's bone

rider's bone definition - medical

rid·er's bone (rīˈdərz)

noun
Ossification of the tendon of the long adductor muscle of the leg from strain in horseback riding.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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