Iliocostalis of the loins
Musculus iliocostalis lumborum
Extends and laterally flexes the loin, and draws the ribs caudally.
- System
- Muscle
- Region
- Pelvis
- Sides
- Paired: left and right

Where it runs from and to
A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.
- Origin
- Ilium and the thoracolumbar fascia.
- Insertion
- Last ribs and the transverse processes of the lumbar vertebrae.
- Action
- Extends and laterally flexes the loin, and draws the ribs caudally.
- Nerve
- Dorsal branches of the lumbar and thoracic nerves.
Written for Vetomica in its own words from the standard reference anatomy of the pig; the books it was checked against are listed below.
Terminology
- English
- Iliocostalis of the loins
- Latin (NAV)
- Musculus iliocostalis lumborum
- Status
- A valid term in the Nomina Anatomica Veterinaria