Laterality Discrimination in Patients With Non-specific Chronic Neck Pain

Study Overview
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Brief Summary
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Chronic neck pain is one of the most common causes of pain, affecting 15% of the adult population, and the fourth leading cause of disability. The recognition of laterality is the ability to recognize a part of the body that belongs to the left or right which is used as a tool to create a normal process of motor planning.

Detailed Description
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The most consistent data come from the investigation of the primary motor cortex, in which the cortical representations of the altered body part are affected when there is chronic pain. Occasionally, the primary motor cortex is smaller on the affected side than on the contralateral side. Recognition of the body schema is altered in the presence of painful disorders. The most common way of assessing the body schema is by motor imagery through the laterality discrimination of the left and right.

Official Title
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Effects of Laterality Discrimination in Patients With Non-specific Chronic Neck Pain. Randomized Blind Clinical Trial

Conditions
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Neck Pain

Intervention / Treatment
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* Behavioral: Neck Laterality
* Behavioral: Foot Laterality


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: The inclusion criteria were as follows: a) men and women aged between 18- and 65-years b) medical diagnosis of Non-Specific Chronic Neck Pain with more than 6 months of evolution of neck pain. Exclusion Criteria: Exclusion criteria included the following: a) patients with rheumatic diseases, cervical hernia, cervical whiplash syndrome, neck surgeries or history of arthrodesis, b) systemic diseases, c) vision, hearing or vestibular problems, d) Severe trauma or traffic accident which has had an impact on the cervical area.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Neck Laterality<br>It was done with 20 images of necks and 4 seconds for each image in the Vanilla program of the tablet application. | Behavioral: Neck Laterality<br>* Patients who belonged to the neck group performed the recognition of laterality with certain parameters. The execution of the recognition began with a test to familiarize themselves with the program at the Basic level and then followed the laterality test. It was done with 20 images and 4 seconds for each image in the Vanilla program<br>|
| Experimental: Foot Laterality<br>It was done with 20 images of feet and 4 seconds for each image in the Vanilla program of the tablet application. | Behavioral: Foot Laterality<br>* Patients who belonged to the foot group performed the recognition of laterality with certain parameters. The execution of the recognition began with a test to familiarize themselves with the program at the Basic level and then followed the laterality test. It was done with 20 images and 4 seconds for each image in the Vanilla program<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Response time | Changes in the time response. Time response is defined as the time between the image appearance and the subject response. | Immediately post-intervention | 
| Accuracy | Changes in the accuracy at the end of the intervention. Accuracy must be taken as the precision of the response when a subject say wether the image is right or left. It is measured by percentage of success. | Immediately post-intervention | 
| Joint Position Error | Changes in the joint position error at the end of the intervention. It is measured on centimeters. | Immediately post-intervention | 
| Cervical Active Range of Motion | Changes the cervical active range of motion at the end of the intervention. It is measured on centimeters. | immediately post-intervention | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Laterality task, neck pain