Mary Lu is experiencing pain from her sacroiliac joint. In what region of her body is she most likely feeling pain?

A) Posterior pelvic region
B) Anterior pelvic region
C) Cervical region
D) Lumbar region
E) Thoracic region

Sacroiliac Joint

The joint between the sacrum and the iliac bones of the pelvis, which supports the weight of the upper body.

Pelvic Region

The lower part of the torso, bounded by the pelvic bones and containing the reproductive organs.

Posterior

Referring to the back or rear part of the body or structure.