Iliocostalis lumborum muscle

Muscles · Latin: Musculus iliocostalis lumborum

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ILIOCOSTALIS

Iliocostalis muscle is the muscle immediately lateral to the longissimus that is the nearest to the furrow that separates the epaxial muscles from the hypaxial.

It lies very deep to the fleshy portion of the serratus posterior muscle.

It laterally flexes the vertebral column to the same side.

Definition from Wikipedia, CC BY-SA 4.0.