Skip to Content

tetragon lumbale


Definition: a quadrangular space bounded laterally by the obliquus externus abdominis muscle, medially by the erector spinae, above by the serratus posterior inferior, and below by the internal abdominal oblique muscle.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.