Left quadratus lumborum locus
Posterolateral lumbar projection
This point represents the left quadratus lumborum in the lateral lumbar region. Bilateral placement shows the paired muscle region while preserving uncertainty about the actual site and clinical significance of any tenderness.
Point 10 of 14 in Trigger Point Map
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Janet G. Travell and David G. Simons, Myofascial Pain and Dysfunction: The Trigger Point Manual (primary_canonical)
Volume 2 trunk and lumbar-region chapters document quadratus lumborum trigger-point landmarks and referral patterns; this front-view projection is editorial because the muscle is posterolateral.