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The aim of the study is to evaluate the effects of biofeedback-assisted stabilization training and conventional therapy on pain perception, balance, spinal mobility, functional performance, physical activity, stress level, and quality of life in patients with lumbosacral spine pain syndrome treated conservatively. The main research questions the study seeks to answer are as follows: Whether and to what extent the implemented therapeutic program improves balance, spinal mobility, functional performance, physical activity, quality of life, and reduces pain perception and stress levels in patients with lumbosacral spine pain syndrome? Are there differences in therapeutic outcomes depending on the treatment method applied? Are the therapeutic effects maintained three months after completion of the intervention? Researchers will compare two groups: a control group and an experimental group. In the control group, stabilization training will be performed without the use of biofeedback. Participants will undergo clinical and functional assessments (Visual Analogue Scale, Oswestry Disability Index, force platform measurements, etc.). Depending on the group to which participants are randomly assigned, participants will participate in manual therapy, stabilization training, and selected physical therapy modalities. Participants will be continuously supervised by a physician and physiotherapists throughout the 8-week intervention period. Three months after completion of the intervention, participants will undergo a follow-up assessment.
The study is interventional, prospective, randomized, and controlled in design. Its objective is to determine whether stabilization training using ultrasonography as a biofeedback tool leads to improved therapeutic outcomes compared with standard physiotherapy. The intervention is intended for patients with chronic lumbosacral spine pain lasting at least three months. Eligibility for participation will be based on clearly defined inclusion criteria. This study will be conducted at REHA MEDICA Rehabilitation and Medical Center in Tarnów, Poland. The investigators plan to enroll approximately 110 patients, with 55 assigned to the control group and 55 to the experimental group.
The therapeutic program in both groups will include manual therapy, selected physical therapy modalities, and therapeutic exercises. Participants will be randomly assigned to either a control group or an experimental group. In the experimental group, biofeedback in the form of ultrasonography will be used during stabilization exercises, whereas in the control group, exercises will be performed without biofeedback.
The following parameters will be analyzed: pain intensity, the degree of disability associated with spinal pain, spinal range of motion, balance parameters assessed using a force platform, level of physical activity, stress severity, and self-reported quality of life.
The following tests and questionnaires will be used in the study:
The force platform will be used to assess balance, including center of pressure (COP) position, COP path length, COP displacement speed, sway range in the sagittal and frontal planes, percentage load on the right and left lower limbs during double-leg stance, and postural control with eyes open and eyes closed.
Inclinometer - for measuring the lumbar lordosis angle and the range of motion of the lumbosacral spine.
STarT Back Screening Tool - a questionnaire assessing the risk of developing chronic low back pain.
Oswestry Disability Index (ODI) - an index measuring disability related to lumbosacral spine pain.
McGill Pain Questionnaire - Short Form - evaluating pain quality and intensity. Visual Analog Scale (VAS) - for assessing pain intensity. Physical Activity Questionnaire - assessing the level of physical activity over the past seven days.
Perceived Stress Scale - a subjective measure of stress experienced over the past month.
WHOQOL-BREF - a quality of life questionnaire developed by the World Health Organization (World Health Organization Quality of Life - BREF).
Before entering the program, participants will be examined by a specialist in rehabilitation medicine. Subsequently, the principal investigator (physiotherapist) will conduct a baseline assessment including all analyzed parameters. After completing the qualification process, participants will begin an 8-week physiotherapy program conducted twice weekly. Immediately after completion of the intervention, a post-treatment assessment identical to the baseline evaluation will be performed. A follow-up assessment will then be conducted three months after completion of the therapy.
The study will be conducted under the supervision of qualified medical personnel and in accordance with all applicable safety standards. The results will determine whether the use of ultrasonography-based biofeedback improves clinical and functional outcomes and whether any therapeutic benefits are maintained over time. The findings may contribute to the optimization of rehabilitation programs for patients with chronic lumbosacral spine pain.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Biofeedback Group | Experimental | The investigators use in this group standard physiotherapy and ultrasonography as Biofeedback-Assisted Stabilization Training to activate deep muscle of spine. |
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| Control Group | Other | In this group the investigators use standard physiotherapy without ultrasonography as biofeedback. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Standard Rehabilitation | Other | Standard Rehabilitation; Participants in the experimental group will undergo an 8-week rehabilitation program (2 sessions per week) that includes: Manual therapy, Physical therapy modalities, including TENS (Transcutaneous Electrical Nerve Stimulation) and therapeutic ultrasound, applied according to current conservative treatment standards, Standard exercises including muscle stretching, neural mobilization, diaphragmatic breathing, and exercises targeting deep trunk muscles. |
| Measure | Description | Time Frame |
|---|---|---|
| Balance | Measurement Tool: Force platform Unit of Measure: Numerical and percentage values determined by the electronic device; includes center of pressure (COP) position, COP path length, COP displacement speed, sway range in sagittal and frontal planes, percentage load on right and left lower limbs during double-leg stance, and postural control with eyes open and eyes closed | First examination - before the start of the rehabilitation program |
| Balance | Measurement Tool: Force platform Unit of Measure: Numerical and percentage values determined by the electronic device; includes center of pressure (COP) position, COP path length, COP displacement speed, sway range in sagittal and frontal planes, percentage load on right and left lower limbs during double-leg stance, and postural control with eyes open and eyes closed | Second examination - at the end of the eight-week program |
| Balance | Measurement Tool: Force platform Unit of Measure: Numerical and percentage values determined by the electronic device; includes center of pressure (COP) position, COP path length, COP displacement speed, sway range in sagittal and frontal planes, percentage load on right and left lower limbs during double-leg stance, and postural control with eyes open and eyes closed | Follow-up assessment at 3 months post-intervention. |
| Pain intensity Visual Analog Scale | The Visual Analog Scale (VAS) Unit of Measure: Pain intensity is measured on a scale from 0 to 10 using the Visual Analog Scale (VAS), where 0 represents no pain and 10 represents the worst pain imaginable. Higher scores indicate greater pain intensity Measurement Tool: The Visual Analog Scale (VAS) will be used to allow patients to self-report perceived pain intensity. | First examination - before the start of the rehabilitation program |
| Pain intensity Visual Analog Scale |
| Measure | Description | Time Frame |
|---|---|---|
| Spinal Range of Motion | Spinal range of motion Evaluation: Mobility of the lumbar and lumbosacral spine. Unit of Measure: Degrees (°) of motion measured with an inclinometer; includes lumbar flexion, extension, lateral bending, and rotation. Higher values indicate greater spinal mobility. Measurement Tool: Inclinometer will be used to quantify exact angles of spinal movements. | First examination - before the start of the rehabilitation program |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Krystian Mleczko, MSc in Physiotherapy | Contact | +48 781839950 | krystianmleczko99@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Krystian Mleczko, MSc in Physiotherapy | University of Rzeszow, Medical and Rehabilitation Center in Tarnów Reha Medica, Tarnow | Principal Investigator |
| Agnieszka Guzik, Professor | University of Rzeszow | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Medical and Rehabilitation Center in Tarnów Reha Medica | Recruiting | Tarnów | Małopolska | 33-100 | Poland |
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| ID | Term |
|---|---|
| D017116 | Low Back Pain |
| ID | Term |
|---|---|
| D001416 | Back Pain |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
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Participants will be randomly assigned to one of two parallel groups: an experimental group or a control group.
In the control group, an 8-week program (twice weekly) will be implemented, including manual therapy, physical therapy modalities, and therapeutic exercises.
In the experimental group, participants will receive the same interventions as described above, with the addition of exercises using biofeedback to facilitate activation of the deep stabilizing muscles of the lumbosacral spine.
In both groups, participants will undergo assessments before the intervention, after 8 weeks (post-intervention), and 3 months following completion of the intervention (follow-up).
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| Biofeedback Ultrasonography | Other | Biofeedback Ultrasonography: exercises targeting the deep muscles of the spine, performed using ultrasonography for motor learning. The biofeedback allows real-time visualization of deep muscle activation (e.g., transverse abdominal, Pelvic floor muscles), helping participants optimize contraction patterns and improve neuromuscular control of the lumbosacral spine. |
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The Visual Analog Scale (VAS) Unit of Measure: Pain intensity is measured on a scale from 0 to 10 using the Visual Analog Scale (VAS), where 0 represents no pain and 10 represents the worst pain imaginable. Higher scores indicate greater pain intensity Measurement Tool: The Visual Analog Scale (VAS) will be used to allow patients to self-report perceived pain intensity. |
| Second examination - at the end of the eight-week program |
| Pain intensity Visual Analog Scale | The Visual Analog Scale (VAS) Unit of Measure: Pain intensity is measured on a scale from 0 to 10 using the Visual Analog Scale (VAS), where 0 represents no pain and 10 represents the worst pain imaginable. Higher scores indicate greater pain intensity Measurement Tool: The Visual Analog Scale (VAS) will be used to allow patients to self-report perceived pain intensity. | Follow-up assessment at 3 months post-intervention. |
| Pain Questionnaire | McGill Pain Questionnaire - Short Form; Evaluation: The McGill Pain Questionnaire - Short Form is a concise tool (15 descriptors) for rapid, multidimensional assessment of pain, including sensory and affective components, as well as pain intensity. Unit of Measure: Patients rate each descriptor on a scale from 0 to 3 (0 = none, 3 = severe). Higher total scores indicate more intense and distressing pain. Measurement Tool: The Short-Form McGill Pain Questionnaire (SF-MPQ) will be used to allow patients to self-report both the intensity and qualitative characteristics of participants pain. | First examination - before the start of the rehabilitation program |
| Pain Questionnaire | McGill Pain Questionnaire - Short Form; Evaluation: The McGill Pain Questionnaire - Short Form is a concise tool (15 descriptors) for rapid, multidimensional assessment of pain, including sensory and affective components, as well as pain intensity. Unit of Measure: Patients rate each descriptor on a scale from 0 to 3 (0 = none, 3 = severe). Higher total scores indicate more intense and distressing pain. Measurement Tool: The Short-Form McGill Pain Questionnaire (SF-MPQ) will be used to allow patients to self-report both the intensity and qualitative characteristics of participants pain. | Second examination - at the end of the eight-week program |
| Pain Questionnaire | McGill Pain Questionnaire - Short Form; Evaluation: The McGill Pain Questionnaire - Short Form is a concise tool (15 descriptors) for rapid, multidimensional assessment of pain, including sensory and affective components, as well as pain intensity. Unit of Measure: Patients rate each descriptor on a scale from 0 to 3 (0 = none, 3 = severe). Higher total scores indicate more intense and distressing pain. Measurement Tool: The Short-Form McGill Pain Questionnaire (SF-MPQ) will be used to allow patients to self-report both the intensity and qualitative characteristics of participants pain. | Follow-up assessment at 3 months post-intervention. |
| Disability related to spinal pain | Assessment of disability related to spinal pain using the Oswestry Disability Index (ODI). Evaluation: Functional disability associated with lumbosacral spine pain. Unit of Measure: The ODI score is expressed as a percentage, calculated from 10 sections (0-5 points each). The total score ranges from 0% to 100%, where higher scores indicate greater disability. Interpretation of scores is as follows: 0-20%: Minimal disability 21-40%: Moderate disability 41-60%: Severe disability 61-80%: Crippling disability 81-100%: Bed-bound or exaggerating symptoms Measurement Tool: The Oswestry Disability Index (ODI) questionnaire will be used to allow patients to self-report limitations in daily activities related to spinal pain. | First examination - before the start of the rehabilitation program |
| Disability related to spinal pain | Assessment of disability related to spinal pain using the Oswestry Disability Index (ODI). Evaluation: Functional disability associated with lumbosacral spine pain. Unit of Measure: The ODI score is expressed as a percentage, calculated from 10 sections (0-5 points each). The total score ranges from 0% to 100%, where higher scores indicate greater disability. Interpretation of scores is as follows: 0-20%: Minimal disability 21-40%: Moderate disability 41-60%: Severe disability 61-80%: Crippling disability 81-100%: Bed-bound or exaggerating symptoms Measurement Tool: The Oswestry Disability Index (ODI) questionnaire will be used to allow patients to self-report limitations in daily activities related to spinal pain. | Second examination - at the end of the eight-week program |
| Disability related to spinal pain | Assessment of disability related to spinal pain using the Oswestry Disability Index (ODI). Evaluation: Functional disability associated with lumbosacral spine pain. Unit of Measure: The ODI score is expressed as a percentage, calculated from 10 sections (0-5 points each). The total score ranges from 0% to 100%, where higher scores indicate greater disability. Interpretation of scores is as follows: 0-20%: Minimal disability 21-40%: Moderate disability 41-60%: Severe disability 61-80%: Crippling disability 81-100%: Bed-bound or exaggerating symptoms Measurement Tool: The Oswestry Disability Index (ODI) questionnaire will be used to allow patients to self-report limitations in daily activities related to spinal pain. | Follow-up assessment at 3 months post-intervention. |
| Spinal Range of Motion | Spinal range of motion Evaluation: Mobility of the lumbar and lumbosacral spine. Unit of Measure: Degrees (°) of motion measured with an inclinometer; includes lumbar flexion, extension, lateral bending, and rotation. Higher values indicate greater spinal mobility. Measurement Tool: Inclinometer will be used to quantify exact angles of spinal movements. | Second examination - at the end of the eight-week program |
| Spinal Range of Motion | Spinal range of motion Evaluation: Mobility of the lumbar and lumbosacral spine. Unit of Measure: Degrees (°) of motion measured with an inclinometer; includes lumbar flexion, extension, lateral bending, and rotation. Higher values indicate greater spinal mobility. Measurement Tool: Inclinometer will be used to quantify exact angles of spinal movements. | Follow-up assessment at 3 months post-intervention. |
| Physical activity level | Evaluation: Level of physical activity over the past seven days. Unit of Measure: Physical activity is expressed in MET-minutes/week based on the IPAQ - International Physical Activity Questionnaire (Short Form, SF). The questionnaire contains 7 questions regarding time spent on vigorous activity, moderate activity, walking, and sitting over the past 7 days. Interpretation of MET scores: <600 MET-min/week: Low physical activity 600-3000 MET-min/week: Moderate physical activity 3000 MET-min/week: High physical activity Measurement Tool: IPAQ - International Physical Activity Questionnaire (Short Form, SF) self-reported by participants to assess frequency, duration, and intensity of physical activity. | First examination - before the start of the rehabilitation program |
| Physical activity level | Evaluation: Level of physical activity over the past seven days. Unit of Measure: Physical activity is expressed in MET-minutes/week based on the IPAQ - International Physical Activity Questionnaire (Short Form, SF). The questionnaire contains 7 questions regarding time spent on vigorous activity, moderate activity, walking, and sitting over the past 7 days. Interpretation of MET scores: <600 MET-min/week: Low physical activity 600-3000 MET-min/week: Moderate physical activity 3000 MET-min/week: High physical activity Measurement Tool: IPAQ - International Physical Activity Questionnaire (Short Form, SF) self-reported by participants to assess frequency, duration, and intensity of physical activity. | Second examination - at the end of the eight-week program |
| Physical activity level | Evaluation: Level of physical activity over the past seven days. Unit of Measure: Physical activity is expressed in MET-minutes/week based on the IPAQ - International Physical Activity Questionnaire (Short Form, SF). The questionnaire contains 7 questions regarding time spent on vigorous activity, moderate activity, walking, and sitting over the past 7 days. Interpretation of MET scores: <600 MET-min/week: Low physical activity 600-3000 MET-min/week: Moderate physical activity 3000 MET-min/week: High physical activity Measurement Tool: IPAQ - International Physical Activity Questionnaire (Short Form, SF) self-reported by participants to assess frequency, duration, and intensity of physical activity. | Follow-up assessment at 3 months post-intervention. |
| Stress level | Evaluation: Perceived stress experienced over the past month. Unit of Measure: Numerical score from the Perceived Stress Scale (PSS-10). The questionnaire contains 10 questions, each scored from 0 to 4 points, giving a maximum total score of 40 points. Higher scores indicate higher levels of perceived stress. Measurement Tool: Perceived Stress Scale (PSS-10) self-reported by participants to assess subjective stress over the past month. | First examination - before the start of the rehabilitation program |
| Stress level | Evaluation: Perceived stress experienced over the past month. Unit of Measure: Numerical score from the Perceived Stress Scale (PSS-10). The questionnaire contains 10 questions, each scored from 0 to 4 points, giving a maximum total score of 40 points. Higher scores indicate higher levels of perceived stress. Measurement Tool: Perceived Stress Scale (PSS-10) self-reported by participants to assess subjective stress over the past month. | Second examination - at the end of the eight-week program |
| Stress level | Evaluation: Perceived stress experienced over the past month. Unit of Measure: Numerical score from the Perceived Stress Scale (PSS-10). The questionnaire contains 10 questions, each scored from 0 to 4 points, giving a maximum total score of 40 points. Higher scores indicate higher levels of perceived stress. Measurement Tool: Perceived Stress Scale (PSS-10) self-reported by participants to assess subjective stress over the past month. | Follow-up assessment at 3 months post-intervention. |
| Quality of life questionnaire | Evaluation: Concise questionnaire used for subjective assessment of quality of life in both healthy and patient populations. It evaluates four main domains: physical, psychological, social relationships, and environment. Unit of Measure: Standardized numerical scores (0-100 points) for each domain, where higher scores indicate better quality of life. Measurement Tool: WHOQOL-BREF self-reported by participants to assess perceived quality of life across the four domains. | First examination - before the start of the rehabilitation program |
| Quality of life questionnaire | Evaluation: Concise questionnaire used for subjective assessment of quality of life in both healthy and patient populations. It evaluates four main domains: physical, psychological, social relationships, and environment. Unit of Measure: Standardized numerical scores (0-100 points) for each domain, where higher scores indicate better quality of life. Measurement Tool: WHOQOL-BREF self-reported by participants to assess perceived quality of life across the four domains. | Second examination - at the end of the eight-week program |
| Quality of life questionnaire | Evaluation: Concise questionnaire used for subjective assessment of quality of life in both healthy and patient populations. It evaluates four main domains: physical, psychological, social relationships, and environment. Unit of Measure: Standardized numerical scores (0-100 points) for each domain, where higher scores indicate better quality of life. Measurement Tool: WHOQOL-BREF self-reported by participants to assess perceived quality of life across the four domains. | Follow-up assessment at 3 months post-intervention. |
| Risk of developing chronic low back pain | Evaluation: Likelihood of persistent low back pain becoming chronic. Unit of Measure: Categorical score using the STarT Back Screening Tool. The questionnaire consists of 9 questions referring to the past two weeks, with each question answered as agree or disagree. Participants are classified as low, medium, or high risk based on total responses. Measurement Tool: STarT Back Screening Tool self-reported by participants to assess risk of developing chronic low back pain. | First examination - before the start of the rehabilitation program |
| Risk of developing chronic low back pain | Evaluation: Likelihood of persistent low back pain becoming chronic. Unit of Measure: Categorical score using the STarT Back Screening Tool. The questionnaire consists of 9 questions referring to the past two weeks, with each question answered as agree or disagree. Participants are classified as low, medium, or high risk based on total responses. Measurement Tool: STarT Back Screening Tool self-reported by participants to assess risk of developing chronic low back pain. | Second examination - at the end of the eight-week program |
| Risk of developing chronic low back pain | Evaluation: Likelihood of persistent low back pain becoming chronic. Unit of Measure: Categorical score using the STarT Back Screening Tool. The questionnaire consists of 9 questions referring to the past two weeks, with each question answered as agree or disagree. Participants are classified as low, medium, or high risk based on total responses. Measurement Tool: STarT Back Screening Tool self-reported by participants to assess risk of developing chronic low back pain. | Follow-up assessment at 3 months post-intervention. |
| Agnieszka Wolan-Nieroda, PhD | University of Rzeszow | Study Chair |
| D013568 |
| Pathological Conditions, Signs and Symptoms |