Medical Definition of Rectus abdominis

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Reviewed on 12/27/2018

Rectus abdominis: A large muscle in the front of the abdomen that assists in regular breathing movements, supports the muscles of the spine while a person lifts something, and keeps the intestines and other abdominal organs in place.

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Reviewed on 12/27/2018