| Pyramidalis muscle | |
|---|---|
 Muscles at the front of the abdomen, showing the pyramidalis at the bottom centre. | |
| Details | |
| Origin | Pubic symphysis and pubic crest |
| Insertion | Linea alba |
| Artery | Inferior and superior epigastric arteries |
| Nerve | Subcostal nerve (T12) |
| Actions | Tensing the linea alba |
| Identifiers | |
| Latin | musculus pyramidalis |
| TA98 | A04.5.01.007 |
| TA2 | 2363 |
| FMA | 15568 |
| Anatomical terms of muscle | |
The pyramidalis muscle is a small triangular muscle, anterior to the rectus abdominis muscle, and contained in the rectus sheath.