rectus muscle of abdomen

Medical Dictionary

rectus muscle of abdomen rec·tus muscle of abdomen (rěk'təs)
n.
A muscle with origin from the pubis, with insertion into the xiphoid process and the fifth to seventh costal cartilages, and whose action flexes the vertebral column and draws the chest downward.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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