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IRCT20260530069573N1 IRCT 2026-06-27 Faraja Vice President for Research and Technology The effect of McGill exercises on improving chronic pain in the lower extremities. Investigating the effect of stabilizer exercises and maintaining functional stability of the pelvis on improving chronic pain in the lumbopelvic region and lower extremities in traffic police with prolonged standing time. 2026-07-23 anticipated 30 Complete https://irct.ir/trial/90508 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: After reaching 30 individuals who meet the inclusion criteria for the study, each individual's name is placed in a sealed envelope, and the research supervisor randomly selects 15 envelopes that will be considered as the control group and the remaining 15 envelopes will be considered as the intervention group. N/A Chronic non-specific back pain. Intervention 1: Intervention group: The intervention group will receive the McGill exercise protocol. Pre-test and post-test will be conducted for this group. The McGill protocol is a set of corrective exercises designed to increase spinal stability and reduce back pain. These exercises include 3 main exercises. These three movements include “Curl-up” (a modified sit-up), “Side Bridge” and “Bird Dog”, which focus not on excessive spinal mobility, but on maintaining a neutral position and strengthening the deep abdominal and back muscles (such as the transverse abdominis and the multifidus). Instead of placing additional pressure on the discs, these exercises help create a secure “muscle belt” around the trunk so that the load on the spine is optimally distributed during daily activities. To implement this protocol properly, you should note that the quality of the movement is much more important than the number of repetitions. In the Curl-up exercise, the goal is to activate the abdominal muscles without bending the cervical and lumbar vertebrae; In Side Bridge, the goal is to improve lateral stability by maintaining a straight body line; and in Bird Dog, the goal is to maintain balance and core stability while moving your arms and legs. McGill recommends doing these exercises daily, using a “hold” technique rather than rapid, repetitive movements, to build the muscular endurance needed to protect your spine in the long run. The total number of sessions for the protocol is 24, which will be conducted over two months, meaning 3 training sessions per week, with each session lasting 45 to 60 minutes. Intervention 2: Control group: The control group will only participate in the pre-test and post-test to measure pain intensity and will not receive any intervention. 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 The researcher was informed by the FARAJA Intelligence Organization that information about the personnel of this force should not be published anywhere
public Amirmohammad Ramzi Araghi
No 51 , Hokami Alley , Fatheshiyakuh Avenue , Arak
Arak Iran (Islamic Republic of) 3815953318 +98 86 3277 9865 amirmohammadramzi@ut.ac.ir University of Tehran scientific Amir Fallah Nejad Mojarad
Deputy of Human Resources of the Police Command of the Islamic Republic of Iran, Rashid Yasemi Street, Kurdistan Highway, Tehran
Tehran Iran (Islamic Republic of) 0000000000 +98 21 8180 0006 amirfalahsport@gmail.com Deputy of Science, Research and Technology of the Police Command of the Islamic Republic of Iran Iran (Islamic Republic of) Age between 18 and 45 years. Having at least 2 out of 3 symptoms of low back, pelvic, knee, and ankle pain. Back pain without any specific cause that has been present for more than six months without radiating pain to the lower extremities. Standing for long periods of time throughout the day (on average at least 4 hours). 18 years 45 years Male History of surgery in any of the back, hip, spine, knee, or ankle areas History of severe muscle tear in any of the back, hip, spine, knee, or ankle areas A willingness to perform professional sports exercises and other rehabilitation activities during the research. M54.5 Low back pain Rehabilitation N/A Intervention group: The intervention group will receive the McGill exercise protocol. Pre-test and post-test will be conducted for this group. The McGill protocol is a set of corrective exercises designed to increase spinal stability and reduce back pain. These exercises include 3 main exercises. These three movements include “Curl-up” (a modified sit-up), “Side Bridge” and “Bird Dog”, which focus not on excessive spinal mobility, but on maintaining a neutral position and strengthening the deep abdominal and back muscles (such as the transverse abdominis and the multifidus). Instead of placing additional pressure on the discs, these exercises help create a secure “muscle belt” around the trunk so that the load on the spine is optimally distributed during daily activities. To implement this protocol properly, you should note that the quality of the movement is much more important than the number of repetitions. In the Curl-up exercise, the goal is to activate the abdominal muscles without bending the cervical and lumbar vertebrae; In Side Bridge, the goal is to improve lateral stability by maintaining a straight body line; and in Bird Dog, the goal is to maintain balance and core stability while moving your arms and legs. McGill recommends doing these exercises daily, using a “hold” technique rather than rapid, repetitive movements, to build the muscular endurance needed to protect your spine in the long run. The total number of sessions for the protocol is 24, which will be conducted over two months, meaning 3 training sessions per week, with each session lasting 45 to 60 minutes. Control group: The control group will only participate in the pre-test and post-test to measure pain intensity and will not receive any intervention The extent and severity of chronic low back pain measured by a visual pain questionnaire. Timepoint: Once before starting the training protocol and once after completing the two-month training protocol. (3 training sessions are performed each week). Method of measurement: Visual Analogue Scale. Faraja Vice President for Research and Technology Approved 2026-05-30 Ethics Committee of Shahid Beheshti University of Medical Sciences Second Floor, Shahid Beheshti University of Medical Sciences Headquarters , Building No. 2 , Next to Ayatollah Taleghani Hospital, Parvaneh Street, Tabnak Street, Shahid Chamran Highway Tehran Tehran Iran (Islamic Republic of)