This study will be conducted to explore the superiority of effectiveness between Muscle energy technique combined with Deep Neck Flexors training, MET alone, or DNF training alone in terms of pain intensity, neck function, forward head posture, cervical range of motion and Deep Neck Flexors Muscles endurance in patients with chronic mechanical neck pain(CMNP).
Patients will be grouped into three groups; each group composed of 15 patients suffering from CMNP. The personal history of each patient who participated in the study will be collected, the patient will receive an oral explanation of the procedures and signed a consent form . The weight and height of each patient will be obtained using the standard weight scale. The pain intensity level will be assessed via a visual analogue scale (VAS). The disability level will be assessed via neck disability index (NDI). The forward head posture will be assessed via photographic method of Craniovertebral angle (CVA) and the angle will be calculated by using kinovea software. The range of motion will be assessed via universal goniometer (UG). The endurance of the neck muscles will be assessed via pressure biofeedback unit (PBU). Assessment will be done before treatment and after 12 treatment sessions.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
45
uninflated pressure sensor will be kept below the neck suboccipital
continuous US waves of 1 MHz frequency and 1-1.5 W/cm2 power
(R 125, 250watt, Philips)
pain severity
Visual Analogue Scale It is a 10 cm or 100 mm psychometric response scale to measure pain intensity based on numerical values, anchored by a score of 0 no pain and score 10 worst pain The patient will be asked to place a horizontal mark on the continuous 10 cm line in which they could feel. A ruler will be then used to measure the distance from zero and the recorded number will be rounded to the nearest number Visual Analogue Scale .It is a 10 cm or 100 mm anchored by a score of 0 no pain and score 10 worst pain
Time frame: 4 weeks
functional disability
Neck Disability Index . 0% means no activity limitation, and 50 points or 100% means complete activity limitation
Time frame: 4 weeks
Deep Neck Flexors muscle endurance
Pressure biofeedback unit . used for muscular assessment of longus colli and longus capitus.
Time frame: 4 weeks
craniovertebral angle (CVA)
Kinovea (version 0.9.5) will be used to calculate the CVA
Time frame: 4 weeks
cervical range of motion
Universal goniometer.to measure the active cervical range of motion in all directions.
Time frame: 4 weeks
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sustained contraction followed by relaxation