Veryfication of the ischemic pressure therapy in patients with myofascial pain syndrome using surface electromyography recordings
Journal Title: Issues of Rehabilitation, Orthopaedics, Neurophysiology and Sport Promotion-IRONS - Year 2015, Vol 10, Issue 10
Abstract
Introduction Active painful trigger point (TRP) is a characteristic symptom of the myofascial pain syndrome. It is recognized as one of the most common causes of muscle pain, also in the population of people with a good health. Aim Verification of ischemic compression efficacy in inactivation of TRPs using surface electromyography recordings from trapezius muscle motor units activity during relaxation and during maximal contraction as well as the assessment of pain intensity with visual analogue scale (VAS). Material and methods Ten subjects (7 women and 3 men) aged from 24 to 27 years were studied bilaterally with palpation towards the incidence of active TRPs in trapezius muscle and erector spinae muscle at the cervical spine. The general level of pain intensity was measured in VAS. sEMG recordings were performed on both sides from two mentioned muscle groups. Studies have been performed twice, before and after inactivation treatment of TRPs carried out for 5 days, twice a day. Results and conclusions After successful therapy there was found a decrease in the frequency of active TRPs by 28,5% especially in the trapezius muscle as well as the decrease of pain intensity score from 6,6 to 1,4. The value of sEMG amplitude recordings performed at rest from the trapezius muscle was significantly reduced comparing to the normal reference values, suggesting the muscle tension decrease. The amplitude of sEMG recordings performed during maximal contraction of the trapezius muscle was found to be increased what indicated improvement of the muscle’s motor units activity. It was not found the significant change of this parameter in sEMG recordings from erector spinae muscle at cervical spine. Five-days ischemic compression therapy allows for the inactivation of TRPs and reduces the symptom of general pain. Its application causes the decrease of muscle’s tension, which improves the performance of trapezius muscle contraction.
Authors and Affiliations
Adrianna Tarnowska
Keywords
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