Assessment of the Evolution of Lumbar Spine Movement Fluidity Using Xsens Inertial Sensors in Subjects With Chronic Low Back Pain Before and After Rehabilitation
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: X-sens sensor.
- Who it may be relevant to
- Registry conditions: Low Back Pain. Basic parameters: 18 years — 65 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- France
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Official title
Xmouv - Assessment of the Evolution of Lumbar Spine Movement Fluidity Using Xsens Inertial Sensors in Subjects With Chronic Low Back Pain Before and After Rehabilitation
Overview
Low back pain, defined as pain located between the thoracolumbar junction and the lower gluteal fold, becomes chronic in 8% of patients. As the leading cause of disability worldwide, it has major individual and medico-economic consequences. Three-dimensional biomechanical analysis allows exploration of movement alterations related to low back pain. Although several parameters have already been studied (maximum joint range of motion (ROM), lumbopelvic rhythm, movement variability, gait), no consistent kinematic profile has emerged. Movement fluidity, assessed by the presence of jerks (brief movement disturbances), remains under-described despite its relevance in evaluating movement quality. Invistigators hypothesize that lumbar spine movement fluidity during flexion improves after a rehabilitation program and correlates with clinical response. This project stands out by exploring a rarely studied parameter (movement fluidity) and integrating it as a potential indicator for rehabilitation monitoring.
Interventions
- Device X-sens sensor
kinematic movement measurement using 5 Xsens inertial sensors (Awinda) placed on the head, thoracic vertebrae (T8), lumbar vertebrae (L1, L4), and sacrum (S1), before and after the rehabilitation program (ten working days). Movement will be measured during standardized tasks including 3 lumbar spine flexions and 3 right and left lumbar rotations. Movements will be recorded by the sensors at a frequency of 100 Hz.
Primary outcome measures
- Correlation between the evolution of trunk flexion movement fluidity and the evolution of disability before and after rehabilitation program [Time frame: 2 weeks]
Secondary outcome measures (12)
- Changes in range of motion (ROM) between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in maximum angular velocity between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in lumbopelvic rhythm between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in functional disability between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in pain between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in psychological impact between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in kinesiophobia between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in catastrophizing between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in fears and beliefs regarding work and physical activity between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in Schober index between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in fingertip-to-floor distance between the first and last day of rehabilitation program [Time frame: 2 weeks]
- Changes in heel-to-buttock distance between the first and last day of rehabilitation program [Time frame: 2 weeks]
Eligibility criteria
Inclusion criteria
- Age between 18 and 65 years inclusive
- BMI between 18-30 kg/m²
- Chronic low back pain lasting more than three months
- Rehabilitation care in the Physical Medicine and Rehabilitation Department of Montpellier University Hospital
Exclusion criteria
- Sciatica episode within the last three months
- Traumatic, tumoral, or infectious cause of low back pain
- History of spinal, pelvic, or hip fracture
- Inflammatory rheumatism
- Lumbar arthrodesis
- Severe scoliosis
- Subject with a legal protection measure (guardianship, curatorship)
- Subject under legal protection
- Subject not affiliated to a social security system or not benefiting from such a system
- Absence of informed written consent
- Pregnant or breastfeeding women
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Allocation
- N/A
- Model
- Single group
- Masking
- Open label
- Primary purpose
- Supportive care
Study locations
France · 1 center
- University Hospital of Montpellier — Montpellier
Identifiers
NCT: NCT07327554 · RECHMPL25_0310 · 2025-A02160-49