Rectus Abdominis
Lower part, below the arcuate line (2 to 3): the anterior wall is formed by the aponeuroses of all three muscles; the posterior wall is deficient, and the rectus abdominis lies directly on the transversalis fascia.
What our notes say
- Lower part, below the arcuate line (2 to 3): the anterior wall is formed by the aponeuroses of all three muscles; the posterior wall is deficient, and the rectus abdominis lies directly on the transversalis fascia. (MBChB/BDS EXAMINATION QUESTIONS AND MARKING SCHEME)
- Hesselbach's Triangle: Boundaries are Inguinal ligament (inferior), Inferior epigastric artery (lateral), and Rectus abdominis lateral border (medial). (Anatomy and Embryology Examination Questions and Marking Scheme)
- Medial: lateral border of the rectus abdominis (rectus sheath) (General Surgery CAT 2 (MBSG 4600): 4 October 2021)
- Q9 — ABDOMINAL WALLi) Vertically oriented anterior abdominal wall muscles: rectus abdominis; pyramidalis. (Master First-Year Anatomy: Must-Know Essays & Key Concepts)
- All three aponeuroses (EOA, IOA, TA) pass anterior to the rectus abdominis. (Anatomy and Embryology Examination Questions and Marking Scheme)