Longissimus Thoracis Erector Spinae 1These muscles are involved in keeping your back straight and cover the entire length of the spine. One possible Trigger Point Pain moves from the middle of your lower back to your hip.Iliocostalis Thoracis Erector Spinae 2 Multifidus Multifidus Trigger Point Pain in these small muscles is usually felt close to the spine.Quadratus Lumborum A deep back muscle commonly affected by Trigger Points. Pain may also be felt in the hip region.Serratus Posterior Inferior
Serratus Posterior Inferior Trigger Point Pain in this back muscle is usually felt around its location. It is often involved in a combination with other back muscles and may be felt when breathing.