Exploring Locomotion Behavior of Chronic Non-Specific Low Back Pain (cNSLBP) Patients While Walking Through Apertures in Different Configurations: Influence of Environmental and Social Factors.

Completed

• Conditions: Chronic Low Back Pain (non-specific, Uncomplicated); Walking

• Registration Number: NCT06644053
• Lead Sponsor: University of Rennes 2

Brief Summary

The biomechanical parameters studied in chronic non-specific low back pain (cNSLBP) patients in a locomotion task have so far focused on straight line walking. Although locomotion is primarily an automated action composed of repetitive patterns allowing movement from one place to another, walkers must respond to the environmental demands.These modifications show a flexible and adaptive approach to the constraints of the environment. This study focuses on a crossing task through different horizontal openings, varying the environmental context (two opening widths: one narrow and one wide) and the social context by placing an experimenter in the center of the two openings for some trials. The primary objective was to determine whether the cNSLBP affects the participant's decision to cross one of the two apertures as a function of the width of the aperture and the presence or absence of an experimenter. The secondary aim was twofold, firstly to study the kinematic variables of walking and secondly to assess the influence of pain perception variables on the choice of aperture crossed.

Detailed Description

Not available

Study Timeline

• Study Start: 2023-07-14
• Primary Completion: 2024-02-08
• Study Completion: 2024-02-08
• Status Verified: 2024-10
• Study First Submitted: 2024-10-14
• Study First Submitted QC: 2024-10-14
• Last Update Submitted: 2024-10-14
• Study First Posted: 2024-10-16
• Last Update Posted: 2024-10-16

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 36

Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Critical threshold for motion adaptation	Clinical assessment at base line	The critical threshold corresponds to the goal position at which individuals change their mode of action, i.e. the goal at which participants will cross the narrow aperture.

Secondary Outcome Measures

Name	Time	Method
Walking speed	Clinical assessment at base line	Speed will calculate using the first derivative of the participant's position (location of the center of each participant at each point in time).
Clearance distance	Clinical assessment at base line	The clearance distance corresponds to the distance between the participant and the central obstacle forming the two apertures, i.e. a pole for the condition with modified environment and a human being for the conditions with modified social factors.
Shoulder rotation	Clinical assessment at base line	The shoulder rotation of each participant will be calculate from the horizontal coordinates of the two glenohumeral (GH) for the unobstructed straight lines and the experimental trials. The angle will be define in the horizontal plane between the GH line and the instantaneous walking direction at time where participants cross the aperture.
Phase shift between the scapular and pelvic angles	Clinical assessment at base line	The difference between the angles of rotation of the shoulders and pelvis in the horizontal plane of each participant will be calculated from the horizontal coordinates of the displacement of the markers positioned on the two glenohumeral and on the anterior superior iliac spine for the straight-line trials with no obstacles in the path and for the experimental trials.

Trial Locations

Locations (1)

University of Rennes 2; 🇫🇷 Rennes, France