Correlation Between Motor Control Dysfunction and Radiographic Parameter in Non Specific Chronic Low Back Pain

This study aims to investigate the relationship between motor control dysfunction (MCD) and radiographic parameters in non-specific chronic low back pain (NSCLBP). Participants will undergo specific clinical motor control tests and lumbar spine X-rays to evaluate the alignment and coordination of spinal and pelvic structures. Understanding this relationship may help improve rehabilitation strategies and reduce pain in affected individuals.

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Key information

Conditions

Chronic Non Specific Low Back Pain

Age range

20 year–40 year

Sex eligibility

All sexes

Study type

Observational

About this study

Non-specific chronic low back pain (NSCLBP) is a common musculoskeletal condition associated with impaired neuromuscular coordination and motor control dysfunction (MCD). This study seeks to determine the correlation between MCD and radiographic parameters including pelvic incidence (PI), pelvic tilt (PT), sacral slope (SS), and lumbar lordotic angle (LLA).

A total of 64 participants aged 20-40 with NSCLBP will be evaluated at the Faculty of Physical Therapy, Cairo University. Motor control will be assessed using a pressure biofeedback unit in two positions (crock lying and prone) via the Abdominal Draw-in Maneuver (ADIM). Radiographic measurements will be taken using lateral lumbar spine X-rays in standing posture.

The aim is to identify whether poor activation of deep stabilizing muscles (Transverse Abdominus and Multifidus) correlates with abnormal pelvic alignment and altered spinal curvature. Outcomes may support more effective personalized rehabilitation protocols targeting neuromuscular control to improve spine-pelvis function in NSCLBP patients.

Statistical analysis will include Pearson correlation to test for associations between motor control test performance and radiographic angle values.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

. Patients diagnosed with non-specific chronic low back pain (NSCLBP) for more than 3 months

Age between 20 and 40 years
Both males and females
Body mass index (BMI) between 18.5 and 29.9
No physical therapy or medical treatment during the last 3 months
Able and willing to provide informed consent

Exclusion criteria

• Patients with specific causes of low back pain (e.g., disc herniation, fractures, tumors, infections)

History of spinal or lower limb surgery or injury
Radiculopathy or neurological disorders affecting motor control
Diagnosed spinal deformities (e.g., scoliosis, spondyloarthropathy, ankylosing spondylitis)
Contraindications to X-ray (e.g., pregnancy)
Patients currently undergoing physical therapy or medical intervention

Treatment and study plan

Pressure biofeedback assessment

Diagnostic Test

Participants will be assessed for lumbar motor control using a pressure biofeedback unit (PBU) during the Abdominal Draw-In Maneuver (ADIM) in both crock lying and prone positions. This is a non-invasive test to evaluate deep core muscle function (TrA and MF) in patients with NSCLBP. No therapeutic intervention will be administered.

Primary outcomes

Lumbar Lordotic Angle

Time frame: At baseline (during initial assessment visit)

Radiographic measurement of the lumbar lordotic angle (LLA) in degrees to assess sagittal spinal alignment in patients diagnosed with non-specific chronic low back pain.
Pelvic Incidence Angle

Time frame: At baseline (during initial assessment visit)

Measurement of Pelvic Incidence Angle in degrees obtained from lateral radiographic imaging in patients with non-specific chronic low back pain.
Pelvic Tilt Angle

Time frame: At baseline (during initial assessment visit)

Assessment of pelvic tilt angle in degrees as part of the evaluation of lumbopelvic alignment in patients with non-specific chronic low back pain.
Sacral Slope Angle

Time frame: At baseline (during initial assessment visit)

Evaluation of sacral slope angle in degrees based on standard radiographic imaging in patients with non-specific chronic low back pain.
Lumbar Motor Control Assessment via Pressure Biofeedback during ADIM

Time frame: At baseline (during initial assessment visit)

Evaluation of lumbar motor control using pressure biofeedback during the Abdominal Draw-In Maneuver (ADIM) from crook lying and prone position. Pressure changes in mmHg will be recorded to assess the ability to maintain abdominal contraction.

Study contacts

Contact information is provided by the study sponsor or research team.

Mahmoud Mohammad Ali, Phd,MSc,PSc

CONTACT

01097246005

Mohammad Abdelazeem Saad, MSc, BSc

CONTACT

[email protected]

01008926933

Sponsors and collaborators

Lead sponsor

Mohammad Abdelazeem Darwish Saad

Other

Registry information

Acronym: MCD-RP-NSCLBP

Important dates

Study start: 2025
Primary completion: 2025
Study completion: 2025
First posted: Jun 10, 2025
Registry last updated: Jun 10, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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