This is a parallel-group randomised clinical trial: Primary purpose: To analyse the clinical changes produced by two different physiotherapy treatments (Intratissue Percutaneous Electrolysis and Dry Needling) for myofascial trigger points in the infraspinatus muscle in subjects with non-specific shoulder pain. Hypothesis: A physiotherapy treatment including Intratissue Percutaneous Electrolysis therapy present greater benefits in terms of pain reduction and increased mobility and functionality rather than Dry Needling treatment in subjects with non-specific shoulder pain. The intervention consisted of 3 treatment sessions, different according to the group, once a week. Seven evaluation points were performed, two pre-intervention evaluations one week apart and after the second one the first treatment session was performed. The third and fourth assessments were prior to the second and third treatment sessions, one week apart. The fifth, sixth and seventh assessments were conducted one week, one month and two months after the last treatment session in each group.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
42
Each subject will undergo 3 treatment sessions spaced one week apart. Ultrasound-guided Intratissue Percutaneous Electrolysis in the myofascial trigger points of the infraspinatus muscle
Each subject will undergo 3 treatment sessions spaced one week apart. Ultrasound-guided dry needling in the myofascial trigger points of the infraspinatus muscle
University of Salamanca
Salamanca, Spain
RECRUITINGChanges in Pain intensity, before, during and after the intervention
Numerical pain rating scale (score 0-10 points)
Time frame: 4 months (7 points)
Changes in Shoulder flexion range of motion, before, during and after the intervention
The range of motion in flexion will be measured with an inclinometer to assess changes in the mobility to shoulder pain subjects
Time frame: 4 months (7 points)
Changes in Shoulder external rotation range of motion, before, during and after the intervention
The range of motion in external rotation will be measured with an inclinometer to assess changes in the mobility to shoulder pain subjects
Time frame: 4 months (7 points)
Changes in Pressure pain threshold at proximal myofascial trigger point of the infraspinatus muscle, before, during and after the intervention
The pressure threshold will be recorded using a digital algometer.
Time frame: 4 months (7 points)
Changes in Pressure pain threshold at distal myofascial trigger point of the infraspinatus muscle, before, during and after the intervention
The pressure threshold will be recorded using a digital algometer (Pain Test™ FPIX 10)
Time frame: 4 months (7 points)
Changes in Strength in shoulder external rotation before, during and after the intervention
The strength will be recorded with wireless MicroFET 2: Hand-held dynamometer for force assessment.
Time frame: 4 months (7 points)
Changes in Hand grip strength, before, during and after the intervention
The strength will be recorded with Jamar Plus: Digital dynamometer to assess grip strength.
Time frame: 4 months (7 points)
Changes in Disability and functionality of the upper limb, before, during and after the intervention
To measure the upper limb disability and functionality we will use the Disabilities of the Arm, Shoulder and Hand (DASH), which is a validated questionnaire that measures the functionality and disability that shoulder pain generates in the subject.
Time frame: 4 months (7 points)
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