Kinematical Evaluation of Lumbar Rotation in Chronic Low Back Pain

Study Overview
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Brief Summary
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Low back pain (LBP) is considered one of the most common musculoskeletal disorders in modern society, resulting in substantial costs to society. Factors associated with the development of low back pain include poor posture, strenuous work with the body, inadequate non ergonomic work and traumas. Rotation movement pattern of the lumbar spine in different positions is essential aspect in understanding the LBP Pathophysiology. Rotation coupled with forward bending (flexion) is a dominant factor which could increase the risk LBP and disc prolapse. There is also a decline in range of motion (ROM) of rotation in forward bending (flexion) compared to neutral position during sitting and standing. In addition,lumbar rotation movement patterns differ in population with LBP compared to asymptomatic individuals. Healthy individuals exhibit rotation accompanied by consistent coupled movement patterns of lateral bending in the opposite direction at thr upper levels, and by lateral bending in tge same direction at the lower levels . while Chronic LBP patients exhibit non consistent patterns altered from those of the normal population.

Detailed Description
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According to the investigators, Kinematic measures of velocity and acceleration of lumbar rotation in neutral position and full flexion in sitting and standing did not studied yet. Evaluating these parameters, in addition to ROM and plains evaluation in the LBP population, compared to healthy population will contribute a lot in understanding this issue.

Official Title
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Kinematical Evaluation of Lumbar Rotation in Neutral Position and Full Flexion in Sitting and Standing in Patients With Non-specific Chronic Low Back Pain

Conditions
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Low Back Pain

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: non specific chronic LBP (three months or more) Insured by Clalit Health Care Services Signed informed consent Exclusion Criteria: History of spinal /pelvic surgery. Trauma or fracture of spine /pelvis. Inflammatory diseases of spine. radiation to lower extremities . Neurological disease. malignancy disease. structural deformity of vertebral structures(scoliosis, kyphosis).

Ages Eligible for Study
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Minimum Age: 40 Years
Maximum Age: 60 Years

Sexes Eligible for Study
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Male

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| age-matched healthy male participants<br>age-matched healthy male participants without LBP | |
| participants with non specific chronic LBP<br>male participants with non specific chronic LBP | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Kinematic measures of rotation movement of the lumbar spine | Kinematic measures of rotation movement of the lumbar spine (plain, range, angular velocity and acceleration) will be measured by using Lumbar motion monitor Industrial (ILMM) . | one evaluation at enrollement | 
| Disability Questionnaire | Roland Morris Disability Questionnaire | one evaluation at enrollement | 
| pain assessment | Visual analog scale for pain assessment | one evaluation at enrollement | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Low Back Pain, Disability, Kinematic measures