What is rectus abdominis?
Rectus Abdominis Muscle: Anatomy, Function, Assessment, Exercises, and Related Conditions Introduction The Rectus Abdominis is one of the most recognizable muscles of the human body, often referred to as the “six-pack” muscle . It is a long, flat muscle that extends vertically along the front of the abdomen. While popular in fitness culture for its aesthetic appeal, its clinical importance is far greater. The Rectus Abdominis plays a vital role in trunk movement, core stabilization, and respiratory function. It also assists in protecting internal organs and maintaining intra-abdominal pressure. Understanding the structure and function of this muscle is essential for professionals in physiotherapy, sports science, and medicine. Anatomy of the Rectus Abdominis Origin The Rectus Abdominis originates from the pubic symphysis and pubic crest of the pelvis. Insertion It inserts superiorly into the xiphoid process of the sternum and the costal cartilages of ribs 5 to 7 . Nerve S...