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This study will be conducted to compare the effect of sustained natural apophyseal glides (SNAGS) versus neural mobilization on clinical outcomes such as 1- nerve root function in the form of: (A) peak to peak amplitude; (B) latency; (C) F wave. 2- pain pressure threshold (PPT) and 3- Neck disability index (NDI) in patients with cervical disc (C5-C6 and/or C6-C7) herniation.
Seventy two patients from both gender with cervical disc (C 5-C 6 and/or C 6- C7) herniation with both sensory and motor nerve affections will be recruited for this study following referral from an experienced neurologist and confirmed diagnosis by MRI. The patients' age will range between 20-50 years, body mass index (BMI) from 18 to 25 kg/cm2.
The patients will be assigned randomly by permuted block to three equal groups; group (A) will receive SNAGS in addition to traditional therapy, group (B) will receive neural mobilization in addition to traditional therapy and group (C) will receive traditional therapy.
peak to peak amplitude, nerve latency and F wave will be measured by electromyography, , pressure pain threshold will be measured by commander algometer. Neck disability will be measured by Arabic neck disability index.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A (SNAGs group) | Experimental |
| |
| Group B (Neural mobilization group) | Experimental |
| |
| Group C (traditional physical therapy) | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Sustained natural apophyseal glides (SNAGS) | Other | SNAGS will be applied with the patient sitting comfortably on a stool. The therapist stand behind the patient and the medial border of one thumb's distal phalanx is placed on the articular pillar on the chosen side of the suspected site of lesion. The thumb nail slope at approximately 45 degree (in the direction of the eyeball). SNAGS mulligan will be given by active movement followed by passive overpressure based on the movement restricted by frequency of treatment will be three sets of ten repetitions. SNAG the anteroposterior mobilization of the second cervical vertebrae is sustained for 10 to 30 s depending on response. A maximum of 6 repetitions will be given if there is a reduction in headache intensity at the time of the first application. A total of 20 oscillations (1 oscillation/1 second) will be given to each joint with a total duration of 15 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| F-wave parameters | Evaluation of the spinal motoneuron excitability through the measurement of the F wave parameters | Change over the course of the study, from baseline to the end of treatment program at 4 weeks |
| Somatosensory Evoked Potentials (SEPs) Latency and Amplitude | SEPs are the electrical signals generated by the nervous system in response to somatosensory stimuli. SEPs are read on the skull with electroencephalography (EEG) | Change over the course of the study, from baseline to the end of treatment program at 4 weeks |
| Pain pressure threshold by Pressure algometer | An algometer will be used used to quantify pain intensity by pressure | Change over the course of the study, from baseline to the end of treatment program at 4 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Neck disability Index | Methods of assessment for such disability, especially those targeted at activities of daily living which are most affected by neck pain, questionnaire 10-item scaled entitled the Neck Disability Index (NDI) | Change over the course of the study, from baseline to the end of treatment program at 4 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Amany I. Selem, BSc | Cairo University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ismailia medical complex | Ismailia | Egypt |
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| Neural mobilization | Other | Neural mobilization will be applied with grade three neural mobilization and traditional therapy: Subjects will be placed in supine position and remained relaxed with the feet uncrossed. The patient will be slightly angled obliquely for easier access to the scapula. The therapist will be depressed the scapula with concomitant upper extremity joint positioning as per median nerve bias i.e., ULTT2 (shoulder abduction, elbow extension with forearm supination, wrist and fingers extended and ulnar deviated and thumb abduction). The wrist will be used as a tension factor and at the point where tension was felt by the therapist and perceived by the subject. Grade 3 oscillations were given rhythmically and slowly to each joint from proximal to distal. A total of 20 oscillations (1 oscillation/1 second) were given to each joint with a total duration of 15 minutes. |
|
| Traditional physical therapy | Other | traditional therapy will be applied in the form of stretching for bilateral upper and middle trapezius muscles and bilateral neck rotators and isometric strengthening exercises for neck rotators, extensors, side bending muscles. Exercise was repeated for ten repetitions per session. In addition to hot pack was placed over the neck and upper part of shoulders musculature. This was being applied for ten min, over middle trapezius trigger Point itself. |
|
| ID | Term |
|---|---|
| D007405 | Intervertebral Disc Displacement |
| D011843 | Radiculopathy |
| ID | Term |
|---|---|
| D013122 | Spinal Diseases |
| D001847 | Bone Diseases |
| D009140 | Musculoskeletal Diseases |
| D006547 | Hernia |
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010523 | Peripheral Nervous System Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |
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