The rectus abdominis muscles are located in the paramedian region of the anterior abdominal wall.
Each muscle originates from the pubis and inserts into 5th, 6th and 7th ribs and the xyphoid process.
The following landmarks are identified:
- Costal margin
- Linea alba
- Linea semilunaris
- Iliac crest
- External iliac vessels
- Femoral artery (palpation for pulse)