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This is a prospective case series study.There were 20 individuals with chronic neck pain accompanied by myogenous temporomandibular disorders(mTMD) from Linkou and Taoyuan Chang Gung hospitals, and Chang-Gung university. The purpose of this study was, first, to investigate the effects of muscle energy technique (MET) or strain-counterstrain (SCS) applied on the tender or trigger points of neck muscles on improving pain and pressure pain sensitivity in neck and masticatory muscles, the maximal mouth-opening range of motion, chewing endurance, and head-neck-shoulder posture in patients with chronic neck pain accompanied by mTMD. Second, whether the significant effects could be reached within the four-week intervention duration.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Muscle energy technique group | Experimental | Use one of the muscle energy technique methods -- postisometric relaxation technique(PIR) as the intervention method. |
|
| Strain-counterstrain group | Experimental | Use the Strain-counterstrain technique as the intervention method. |
|
| Control group | Sham Comparator | Use the modified Strain-counterstrain technique as the intervention method. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Muscle energy technique (MET) | Behavioral | A manual therapy technique that uses the gentle muscle contractions of the patient to relax and lengthen muscles and normalize joint motion. |
| Measure | Description | Time Frame |
|---|---|---|
| Pain intensity in neck and masticatory muscles | ask participants the self-report pain intensity with the NPRS scale | 4 weeks |
| Tenderness sensitivity in neck and masticatory muscles | measure the pressure pain threshold with digital pressure algometer | 4 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Maximal mouth-opening | measure the maximal pain free mouth-opening distance | 4 weeks |
| Chewing endurance | test for 5 minutes with chewing gum in the affected site |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Yang-Hua, Lin | Taoyuan | 33302 | Taiwan |
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Include elements of both longitudinal (three groups) and cross-sectional (four-weeks intervention) research designs
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| Strain-counterstrain (SCS) | Behavioral | It's also called the "positional release technique", a manual therapy technique that passively positions the hypertonic (spasmed) muscles and dysfunctional joints in positions of shortened or comfort. |
|
| sham SCS | Behavioral | SCS intervention that position with opposite site limb and direction, and with modified method as consider the easiness of a practitioner to press the tender points |
|
| 4 weeks |
| Head-neck-shoulder posture | measure the Head tilt angle(HTA), Craniovertebral angle(CVA) & Forward shoulder angle (FSA) by Photography in sagittal plane | 4 weeks |
| 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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