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the purpose of this trial is to compare the effectiveness of instrument-assisted soft tissue mobilization and high power pain threshold ultrasound on pain intensity, pressure pain threshold (PPT), neck range of motion, and neck function in participants with upper trapezius myofascial trigger points.
Myofascial trigger points (MTPs) are hyperirritable, palpable nodules that form along with taut bands of muscle fibers. The trapezius is the muscle that is most commonly affected. MTPs can have a considerable impact on a person's daily activities and ability to work. Stretching exercises, ultrasound, massage, kinesiology taping, trigger point release, dry needling, laser, ischemic compression treatment, and high-power pain threshold ultrasound can all be used in a physical therapy program for myofascial pain and trigger points. There were previous studies on the effect of instrument-assisted soft tissue mobilization (IASTM) on upper trapezius myofascial trigger points that have shown positive effects such as reduction in pain level, improved neck function, and range of motion, increased activity level, and increased pressure pain threshold. There have been previous studies on the effect of high-power pain threshold ultrasound on upper trapezius trigger points that have shown a reduction in pain level, increased activity level, and increased pressure pain threshold. However till now, there is no study comparing the therapeutic potential of HPPT US and IASTM on upper trapezius trigger points, This study is conducted to compare the effect of instrument-assisted soft tissue mobilization (IASTM) and high-power pain threshold ultrasound ( HPPT US ) on upper trapezius trigger points. : Sixty participants ranging in age from 25 to 40 years old, from both genders, were diagnosed with active MTPs in the upper fibers of the trapezius muscle bilaterally. Participants were randomly allocated to the following three groups using sealed envelopes. Group (A) 20 participants received conventional physical therapy. Group (B) 20 participants received IASTM and conventional physical therapy. Group (C) 20 participants received HPPT US and conventional physical therapy for two weeks, twice per week.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group (A) conventional physical therapy | Active Comparator | 20 participants will receive conventional physical therapy.TENS, the frequency of the current is 100 Hz and the duty cycle is 250 microseconds, three times per week for 4 weeks. Ultrasound waves, frequency 1 MHz with intensity 1 W/cm2, a pulsed mode for 5 minutes, three times per week for 4 weeks, passive stretching, and isometric exercises three times per week for 4 weeks. |
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| Group (B )IASTM and conventional physical therapy | Experimental | 20 participants will receive Instrument-Assisted Soft Tissue Mobilization (IASTM) and conventional physical therapy, the M2T blade will be used to find the exact areas of restriction in the upper trapezius. Then the M2T blade will be used, at an angle of 45 and using treatment planes 1, 2, and 3, to apply slow strokes along with the muscle, without causing any discomfort or pain, from the muscle origin to its insertion (sweeping technique), for approximately 3 min. This procedure will be repeated twice a week for four weeks |
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| Group (C) HPPT US and conventional physical therapy | Experimental | 20 participants will receive High Power Pain Threshold Ultrasound (HPPT US) and conventional physical therapy. For the HPPT US, ultrasound waves will be applied to trigger points of the upper trapezius in continuous mode, and the power of ultrasound will first increase to the threshold pain level at intensity (1.5-2 W/cm) according to the patient for 4-5 seconds with the probe placed directly on the trigger point and held motionlessly and then reduced to one-half of that intensity for15 seconds with the probe placed directly on the trigger point and move in a circular motion and repeat this three times. This procedure will be repeated twice a week for two weeks |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Instrument assisted soft tissue mobilization ( IASTM ) and Ultrasound | Device | Instrument-assisted soft tissue mobilization (IASTM) is a popular treatment for the myofascial limitation that is based on James Cyriax's rationale. High-power pain threshold ultrasound is a noninvasive approach used in myofascial pain syndrome ( MPS) treatment, and it has no serious adverse effects. |
| Measure | Description | Time Frame |
|---|---|---|
| Pain intensity | Pain intensity will be measured by the Visual Analogue Scale (VAS). It consists of a horizontal or vertical line, usually 10 cm long. The extremes of the line are labeled as "no pain" and "worst pain" 3-Neck Range of motion : by Cervical ROM 3- Neck function: by Arabic version of the Neck Disability | four weeks |
| Pressure pain threshold (PPT) | Pressure pain threshold (PPT) will be measured by a Pressure Algometer. | four weeks |
| Neck Range of motion | Neck Range of motion will be measured by Cervical ROM | four weeks |
| Neck function | Neck function will be measured by the Arabic version of the Neck Disability Index (ANDI). A total score of 0-4 indicated no disability. A score of 5-14 indicated mild disability, a score of 15-24 indicated moderate disability, a score of 25-34 indicated severe disability, and a score of 35 or greater indicated complete disability | four weeks |
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Inclusion Criteria: Having at least 1 active trigger point in bilateral upper trapezius muscles We will use a recommended diagnostic criterion to find active MTrPs which is:
The presence of a palpable taut band in the skeletal muscle, The presence of a hypersensitive spot in the taut band, Local twitch response provoked by snapping palpation Production of referred pain pattern in response to the compression of tender spots Spontaneous presence of typically referred pain pattern.
Exclusion Criteria:- Existence of cervical disc hernia, advanced cervical osteoarthritis, radiculopathy, or myelopathy.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cairo University | Cairo | 12613 | Egypt |
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| ID | Term |
|---|---|
| D014463 | Ultrasonography |
| ID | Term |
|---|---|
| D003952 | Diagnostic Imaging |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
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