The trunk muscle that originates on the pubis and inserts on the costal cartilages of the fifth,sixth,and seventh ribs is the

Name: The trunk muscle that originates on the pubis and inserts on the costal cartilages of the fifth,sixth,and seventh ribs is the
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The rectus abdominis muscle originates on the pubis and inserts on the costal cartilages of the fifth, sixth, and seventh ribs, making it responsible for flexing the lumbar spine and compressing abdominal contents.

The Trunk Muscle That Originates on the Pubis and Inserts