Iliopsoas compartment

Last revised by Henry Knipe on 17 Sep 2022

The iliopsoas compartment is an extra-retroperitoneal space that runs along the posterior aspect of the abdomen and pelvis and extends into the thigh.

It should be noted that the posterior abdominal wall does not have a consensus definition and that psoas muscles are sometimes included as the posterior compartment of the retroperitoneum 5.

Gross anatomy


The iliopsoas compartment is bound by the iliopsoas fascia, which is continuous with:


Related pathology

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Cases and figures

  • Figure 1: anterior hip muscles
    Drag here to reorder.
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