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The aim of this study is to compare the surface electromyography (EGM) changes between dry needling in the upper trapezius, is a prevalence tonic fiber or lower trapezius is a prevalence phasic fiber.
Several studies already found a disturbed surface electromyography activity in myalgic muscle tissue and in the vicinity of myofascial trigger points, however studies about the effect of dry needling in this fibers type on these disturbances in EMG activity are scarce.
The surface electromyography of upper trapezius is related with a tonic muscle dysfunction, for example muscle contracture; and the lower fiber of trapezius is related with atrophy muscle.
Dry needling is an effective method for the treatment of myofascial trigger points for immediate reduction of pain. There are some studies about latent myofascial trigger point and motor activity, but we don't know any research about the effect of dry needling in the differences fibers.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Dry needling in upper trapezius | Active Comparator | Patients receive dry needling in latent myofascial trigger point in upper trapezius. The needle was penetrated into the muscle fibers of the taut band and was moved upward and downward ("fast in, fast out") in different directions with the aim to elicit LTRs |
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| Dry needling in lower trapezius | Experimental | Patients receive dry needling in latent myofascial trigger point in lower trapezius. The needle was penetrated into the muscle fibers of the taut band and was moved upward and downward ("fast in, fast out") in different directions with the aim to elicit LTRs |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dry Needling in upper trapezius | Other | The following criteria are required for a patient to have latent TrPs: the presence of a palpable taut band in the upper trapezius muscle, the presence of a hypersensitive spot in the taut band, a palpable or visible local twitch on snapping palpation, and a no familiar reproduction of referred pain elicited by palpation of the sensitive spot. Dry needling is performed with solid filiform needles (0.30x30 mm), these needles are sterile and separately packaged. Needles are not reused and are immediately deposited in a needle container after usage. Patients receive dry needling in latent myofascial trigger point (LTRs) in upper trapezius. The needle is penetrated into the muscle fibers of the taut band and was moved upward and downward ("fast in, fast out") in different directions with the aim to elicit LTRs |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in surface electromyographic before and after the intervention. | Root mean square values (RMS) | Baseline and 10 minutes after the intervention |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Sandra Sánchez Jorge, Pt, PhD | Contact | +34 91 7091887 | s.sjorge.prof@ufv.es | |
| Jaime Salom Moreno, Pt, PhD | Contact | +34 91 7091905 | jaime.salom@ufv.es |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universidad Francisco de Vitoria | Recruiting | Madrid | Pozuelo de Alarcón | 28223 | Spain |
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| ID | Term |
|---|---|
| D009135 | Muscular Diseases |
| D009209 | Myofascial Pain Syndromes |
| ID | Term |
|---|---|
| D009140 | Musculoskeletal Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |
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| ID | Term |
|---|---|
| D000079245 | Dry Needling |
| ID | Term |
|---|---|
| D000529 | Complementary Therapies |
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |
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| Dry Needling in lower trapezius | Other | The following criteria are required for a patient to have latent TrPs: the presence of a palpable taut band in the lower trapezius muscle, the presence of a hypersensitive spot in the taut band, a palpable or visible local twitch on snapping palpation, and a no familiar reproduction of referred pain elicited by palpation of the sensitive spot. Dry needling is performed with solid filiform needles (0.30x 30 mm), these needles are sterile and separately packaged. Needles are not reused and are immediately deposited in a needle container after usage. Patients receive dry needling in latent myofascial trigger point (LTRs) in lower trapezius. The needle is penetrated into the muscle fibers of the taut band and was moved upward and downward ("fast in, fast out") in different directions with the aim to elicit LTRs |
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