Nasara International Taping AcademyClinical Taping Introduction
Quadratus Lumborum
Nasara International Taping AcademyClinical Taping Introduction
Quadratus Lumborum
Anatomy
Origin
the posterior surface of the iliac crest, the iliopsoas ligament
Insertion
the twelfth rib, the transverse processes of L1-L4
Action
Unilaterally : lateral flexion Bilaterally : back extension
Clinical information
Symptoms
Quadratus lumborum is one of bilateral muscles that compose the posterior abdominal wall along with psoas major, iliacus. It plays a significant role in the stabilization of the lumbar spines and pelvis, and it is easy to be weakened. It is one of the causes for chronic lower back pain. Patients may experience a stiff back pain during a prolonged sitting, and difficulty in lateral flexion and rotation of the back; the intervertebral disc lesions may be accompanied.
Related muscle
Erector Spinae, Gluteus Minimus
Taping
Required Tape : 5cm, Y Tape
Patient position : Upright Sitting
How to Tape
Apply the base of the Y strip to PSIS. With the patient’s body flexed forward in order to fully stretch the muscle, tape it towards the twelfth rib.