The effect of myofascial release of psoas major muscle on lumbar spine kinematic and disability in the subjects with non-specific chronic low back pain

The aim of this study was to evaluate The effect of myofascial release of psoas major muscle on lumbar spine kinematic and disability in the subjects with non-specific chronic low back pain

30 Individuals with non-specific chronic low back pain participate in this Double blind study, which is randomly divided into two groups of intervention and control using four random blocks.

Volunteer participants with non-specific chronic low back pain referred to the Neuromuscular Rehabilitation Research Center of Semnan University of Medical Sciences are included in the study.

Inclusion criteria in this study Complete satisfaction to participate in this study, chronic non-specific low back pain with a minimum period of three months, age between 20-45, pain intensity 3-6, bilateral shortening of psoas major muscle, degree of disability 6-18 (from 24 points). Non-inclusion criteria include pregnancy, having systemic fibromyalgia, Cauda equina syndrome, spinal tumor, having autoimmune, infectious, vascular, endocrine, metabolic and neoplastic diseases, having previous experience of myofacial treatment or history of low back pain rehabilitation treatment Over the past two months, there has been a history of spinal surgery and other contraindications to myofascial therapy.

The intervention group receives the technique of releasing the myofascia of psoas major muscle for four periods in two weeks (twice a week) for forty minutes on both sides. The control group symbolically receives the technique of releasing the myofascia of the Psoas major muscle in four periods of two weeks and for forty minutes on both sides.

Angular velocity, Angular displacement, Maximum range of motion, Relative phase,Maximum and minimum angular phase and time to reach them, Disability

In this study, Permuted block randomization will be used for randomization, which includes 4 blocks (2 participants in the intervention group and 2 participants in the control group). Random allocation software is also used for randomization tools. In order to create an allocation concealment, each random sequence created is recorded on a card and the cards are placed in sealed opaque envelopes, respectively. In order to maintain a random sequence, the envelopes are numbered in the same way on the outer surface. At the beginning of the registration of participants, according to the order of arrival, one of the envelopes is opened in order and the assigned group of that participant is identified.

In this study, blindness will be done in the participants. Participants from both groups will be admitted at different times for evaluation and intervention and will not be aware of the type of intervention of the other group.The implementation phase of this research is performed by another physiotherapist who is skilled in the field of manual therapies and the researcher who evaluates the outcome and Data analysis is involved. It is unaware of the grouping of participants and receives the data without knowing the grouping.