Inclusion Criteria:  Participants aged between 18 to 45 years. Moderate pain intensity (between 30 to 60) based on Numerical Pain Rating Scale (0 means no pain and 100 is the most imaginable pain). Participants with trigger points in the quadratus lumborum and lumbar multifidus muscles. The Participant's symptoms are provoked with passive accessory intervertebral movements on at least one level of the lumbar spine vertebrae. Patients are able to read and write Persian.  Exclusion Criteria:  Complications that affect the treatment process such as systemic diseases, neurological disorders, inflammatory conditions, infectious conditions, structural and degenerative changes, metabolic bone diseases and bleeding disorders. History of lumbar surgery. Specific low back pain (Neurogenic low back pain, spinal stenosis, cauda equina syndrome, spondylolisthesis, and Presence of any signs or symptoms of non- musculoskeletal pathology e.g. cancer, infection and fracture based on paraclinical findings) Inability to obtain prone lying. Pregnancy. Needle phobia. Long history of steroid use