Shear-wave elastography (SWE) is considered as a useful tool for quantifying muscle stiffness. Considering that Myofascial Trigger Points (MTrP) are defined as "hyperirritable zones in contracted bands of muscle, thought to be caused by muscle overload or stress" and the effectiveness of dry needling applied to active MTrP for reducing pain and disability, the aim of this study is to assess the effects of sham and real dry needling, applied to active MTrP in the upper trapezius muscle in patients with chronic neck pain, on the muscle stiffness in two areas: 1) the most symptomatic area and 2) a control point.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
60
Real Dry Needling in the most active Myofascial Trigger Point
Sham Dry Needling in the same location, but not piercing the skin
Francisco de Vitoria University
Pozuelo de Alarcón, Madrid, Spain
SWE - Young modulus
KPa
Time frame: Baseline
SWE - Young modulus
KPa
Time frame: 10 minutes
SWE - Local shear wave speed
m/s
Time frame: Baseline
SWE - Local shear wave speed
m/s
Time frame: 10 minutes
Pain Pressure Thresholds
kg/cm2
Time frame: Baseline
Pain Pressure Thresholds
kg/cm2
Time frame: 10 minutes
Visual Analogue Scale
0-10
Time frame: Baseline
Neck Disability Index
0-100
Time frame: Baseline
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