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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
40
The subjects, receive an active neck mobilization intervention.
The subjects, receive an active sciatic nerve mobilization intervention.
Miguel Hernandez University
Sant Joan d'Alacant, Alicante, Spain
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".
Time frame: Change from baseline in Visual Analog Scale at 2 minutes after intervention
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.
Time frame: Before intervention and 2 minutes after
Mechanical pressure Algometer
The Mechanical pressure Algometer will be used to measure changes in pain threshold of sensitive points located in the cervical musculature.
Time frame: Before intervention and 2 minutes after
Vernier caliper
The Vernier caliper will be used to measure the active opening of the mouth.
Time frame: 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.
Time frame: Before intervention
Hours of daily use of display screens
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The subjects will be asked at the beginning of the study about how many hours they spend using display screens daily.
Time frame: Before intervention