Definition of Rectus abdominis
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.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
Find out what women really need.