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IRCT20250508065647N1 IRCT 2025-06-22 Islamic Azad University The effect of exercise and laser therapy on the muscle function and pain in People with low back pain from muscle weakness The effects of dynamic neuromuscular stability (DNS) and low-level laser therapy on the muscle function and pain in People with low back pain from muscle weakness 2025-06-08 anticipated 40 Complete https://irct.ir/trial/83666 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Factorial, Purpose: Supportive, Randomization description: Pairing of participants: First, a VAS pre-test will be administered to all(with chronic non-specific low back pain, without discopathy) and based on the participants' pre-test scores, they will be divided into pairs with similar pain intensity scores between 3 and 6 on the visual analogue scale. Random assignment: Each pair will be randomly assigned to one of 4 groups: exercise and low-level laser, exercise group, laser group, and control group(10 people in each group. The intervention (exercise and low-level laser) will not be applied to the control group. Finally, a post-test will be administered and the data will be analyzed. N/A chronic non-specific low back pain. Intervention 1: Intervention group 1: Exercise; Ten female subjects will perform dynamic neuromuscular stability (DNS) exercises with myofascial release for 8 weeks, 3 sessions per week, each session lasting 90 minutes, as follows: First, 25 minutes of myofascial release exercises and 15 minutes of stretching exercises, then 40 minutes of DNS exercises with breathing exercises, and finally 10 minutes of cool-down exercises. Intervention 2: Intervention group 2: Low-level laser; Ten female subjects will undergo low-level laser on specific days and for a specific number of sessions. Also, the following model power meter will be used to measure the optical power of the device every two weeks (by a researcher who is not involved) and the type of laser device PHOTONCARE model Moonlight and Starlight (2020) made in Germany. Intervention 3: Intervention group 3: Exercise and low-level laser; Ten female subjects will perform dynamic neuromuscular stability (DNS) exercises with myofascial release for 8 weeks, 3 sessions per week, each session lasting 90 minutes, as follows: First, 25 minutes of myofascial release exercises and 15 minutes of stretching exercises, then 40 minutes of DNS exercises with breathing exercises, and finally 10 minutes of cool-down exercises and also subjects will undergo low-level laser on specific days and for a specific number of sessions. Also, the following model power meter will be used to measure the optical power of the device every two weeks (by a researcher who is not involved) and the type of laser device PHOTONCARE model Moonlight and Starlight (2020) made in Germany. Intervention 4: Control group 4: No intervention; Ten female subjects will be given control without Exercise and without low-level laser. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is After finishing the study
public Atefeh Rafieeamjad
U 2,  No. 8, Aseman De, Roshan Aly, Moshtagh Aval Ave, Bozorgmehr Sq, Isfahan, 8153687813
Isfahan Iran (Islamic Republic of) 8153687813 +98 31 3267 1146 atefe.rafieeamjad@iau.ac.ir Islamic Azad University scientific Atefeh Rafieeamjad
U 2,  No. 8, Aseman De, Roshan Aly, Moshtagh Aval Ave, Bozorgmehr Sq, Isfahan, 8153687813
Isfahan Iran (Islamic Republic of) 8153687813 +98 31 3267 1146 atefe.rafieeamjad@iau.ac.ir Islamic Azad University Iran (Islamic Republic of) Female gender Non-Specific low back pain from muscle weakness Confirmation of the type of low back pain with clinical examination and paraclinical evidence Duration of low back pain more than three months Age range 40 to 50 years Pain intensity between 3 and 6 on the visual pain scale 40 years 50 years Female Aggravation of pain and disability with exercise Trauma or surgery during exercise Participation in regular weekly exercise activity Medical prohibition against participation in exercise activity Use of anti-inflammatory and analgesic medications M54.5 Low back pain N/A N/A N/A N/A Intervention group 1: Exercise; Ten female subjects will perform dynamic neuromuscular stability (DNS) exercises with myofascial release for 8 weeks, 3 sessions per week, each session lasting 90 minutes, as follows: First, 25 minutes of myofascial release exercises and 15 minutes of stretching exercises, then 40 minutes of DNS exercises with breathing exercises, and finally 10 minutes of cool-down exercises. Intervention group 2: Low-level laser; Ten female subjects will undergo low-level laser on specific days and for a specific number of sessions. Also, the following model power meter will be used to measure the optical power of the device every two weeks (by a researcher who is not involved) and the type of laser device PHOTONCARE model Moonlight and Starlight (2020) made in Germany Intervention group 3: Exercise and low-level laser; Ten female subjects will perform dynamic neuromuscular stability (DNS) exercises with myofascial release for 8 weeks, 3 sessions per week, each session lasting 90 minutes, as follows: First, 25 minutes of myofascial release exercises and 15 minutes of stretching exercises, then 40 minutes of DNS exercises with breathing exercises, and finally 10 minutes of cool-down exercises and also subjects will undergo low-level laser on specific days and for a specific number of sessions. Also, the following model power meter will be used to measure the optical power of the device every two weeks (by a researcher who is not involved) and the type of laser device PHOTONCARE model Moonlight and Starlight (2020) made in Germany Control group 4: No intervention; Ten female subjects will be given control without Exercise and without low-level laser Low back pain. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring muscle pain intensity using a visual analog scale. Endurance of trunk flexor muscles. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring trunk flexor muscle endurance with modified sit-up tes. Endurance of trunk extensor muscles. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring the endurance of the trunk extensor muscles using the trunk lift test (extensor endurance). Strength of trunk flexor muscles. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring the strength of trunk flexor muscles with a dynamometer. Strength of trunk extensor muscles. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring the strength of trunk extensor muscles with a dynamometer. Flexibility. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring the flexibility of the back and hamstring muscles with the Sit and Reach test. Quality of life. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring quality of life with the SF36 quality of life questionnaire. Depression Inventory. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring depression Inventory using the modified version of the Beck Depression Inventory. Functional disability. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring functional disability with Oswestry Disability Index. Range of motion of the lumbar spine. Timepoint: At the beginning and end of 8 weeks of study. Method of measurement: Measuring the range of motion of the lumbar spine with the modified-modified schober test. Islamic Azad University Approved 2025-01-15 Ethics committee on Research Islamic Azad University - Marvdasht Branch Marvdasht: Three kilometers of Persepolis Boulevard. Islamic Azad University of Marvdasht Marvdasht Fars Iran (Islamic Republic of)