fixed arch

fixed arch

[¦fikst ′ärch]
(civil engineering)
A stiff arch having rotation prevented at its supports.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The pathological, or rigid flatfoot, is characterized by a fixed arch that is not modified by the support or lack of support of weight (3).