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No studies have investigated the effects of a Sciatic nerve mobilization in subjects with neck pain. This study aims to determine the immediate effects of a lower limbs neural mobilization on cervical range of motion and on the perception of pain in the most common trigger points located in the cervical musculature.
A convenience sample will be used to obtain subjects The subjects will be recruited through posted advertisements on social networks. The inclusion and exclusion criteria will be applied to the volunteers. The sample wil comprise university students and administrative workers with neck pain. The subjects will be screened by a screening questionnaire and all of them, they will be required to sign an inform consent before participating to the study. After signing it, they will be randomly divide into control group subject to a placebo technique and the intervention group subject to an active mobilization of the sciatic nerve.
To assess changes in cervical articular range, will be used, a cervical goniometer (CROM) and for changes in pressure pain threshold of the trigger points will be used a mechanical algometer. Furthermore, to asses changes in pain perception will be used a visual numerical scale. The statistical analysis will be performed using the statistical program SPSS 25.0, comparing the results between both groups.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Active neck mobilization | Active Comparator | The subjects, who were randomly allocated to group active neurodynamic mobilization group, will receive the active sciatic nerve mobilization intervention. The subject will be instructed to do a a modification of the slump. The procedure will be performed 1 minute with each leg, two times, the subjects will rest one minute between each mobilization and between series. |
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| Active Mobilization of the Sciatic nerve | Experimental | The subjects, who were randomly allocated to group active neurodynamic mobilization group, will receive the active sciatic nerve mobilization intervention. The subject will be instructed to do a a modification of the slump. The procedure will be performed 1 minute with each leg, two times, the subjects will rest one minute between each mobilization and between series. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Active neck mobilization | Other | The subjects, receive an active neck mobilization intervention. |
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| Measure | Description | Time Frame |
|---|---|---|
| Pain level at rest | A Visual Analog Scale, will be used for recording level of pain at rest. The VAS evaluates levels of pain intensity using an 10-point scale (range 0-10), with 0 being classified as "no sensation" and 10 "pain as bad as could be". | Change from baseline in Visual Analog Scale at 2 minutes after intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Cervical Range of Motion (CROM) | The Cervical Range of Motion (CROM) device will be used to measure the cervical range of motion, including flexion, extension, lateral flexion and rotation. | Before intervention and 2 minutes after |
| Mechanical pressure Algometer |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Sergio Hernández-Sánchez, PhD-PT | Universidad Miguel Hernandez de Elche | Study Director |
| Carlos Lozano-Quijada, PhD-PT | Universidad Miguel Hernandez de Elche | Study Director |
| Roser Bel-lan, PT | Universidad Miguel Hernandez de Elche | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Miguel Hernandez University | Sant Joan d'Alacant | Alicante | 03550 | Spain |
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| ID | Term |
|---|---|
| D019547 | Neck Pain |
| ID | Term |
|---|---|
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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The study sample will be randomly divide into 2 groups, a control group subject to a placebo technique and an intervention group subject to an active mobilization of the sciatic nerve.
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| Active Mobilization of the sciatic nerve | Other | The subjects, receive an active sciatic nerve mobilization intervention. |
|
The Mechanical pressure Algometer will be used to measure changes in pain threshold of sensitive points located in the cervical musculature. |
| Before intervention and 2 minutes after |
| Vernier caliper | The Vernier caliper will be used to measure the active opening of the mouth. | Before intervention and 2 minutes after |
| The Neck Disability Index, Spanish version | The Neck Disability Index questionnaire is a reliable instrument to assess functional disability in neck pain patients. Will be used to assess the subjects' perceived disability level and how their neck pain affect to their daily live. Each section is scored on a 0 to 5 rating scale, in which zero means 'No pain' and 5 means 'Worst imaginable pain'. All the points can be summed to a total score. The test can be interpretated as a raw score, with a maximum score of 50, or as a percentage. 0 points or 0% means : no activity limitations , 50 points or 100% means complete activity limitation. | Before intervention |
| Hours of daily use of display screens | The subjects will be asked at the beginning of the study about how many hours they spend using display screens daily. | Before intervention |