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Rectus abdominis muscles (six-pack)

Case contributed by Chris O'Donnell
Diagnosis certain

Presentation

Suspected renal colic with hematuria

Patient Data

Age: 20
Gender: Male

Three, and sometimes four, bands of connective tissue called the tendinous intersections traverse the rectus abdominus, which separate it into six or eight distinct muscle bellies, respectively. The appearance of these segments has led to the rectus abdominus also being called the "six-pack."

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