Trigger points are made up of stressed or injured muscles that cause pain and tightness. Quadratus lumborum trigger points may be to blame for a deep ache in your lower back or a stabbing pain in ...

The quadratus lumborum muscle starts at the pelvis and runs up to the lowest rib. ... Quadratus lumborum trigger points may cause pain in the lower back, pelvis, and hips. Causes.

The source could be a trigger point in your quadratus lumborum, two muscles that sit on either side of your spine between your pelvis and your lowest rib. Lie on the floor with your knees bent.

Every time you get up, sit down, walk or run, the quadratus lumborum contract.Now that you know all of this, you might have found the culprit for that nagging back pain you can't seem to treat.

Objective In this study, asymmetry relative to the preferred kicking leg was determined if it exists for the psoas and quadratus lumborum muscles among elite Australian Football League (AFL) players.

One example: the quadratus lumborum, or QL for short. A deep trunk muscle, ... If this muscle is tight or irritated ... lacrosse ball, or trigger point ball on the low back area that feels tight.