![]() Active MTrPs are sensitive and identifiable by the patient with compression, causing pain, restriction of movement, and weakness at rest. According to their clinical characteristics, myofascial trigger points can be classified as active or latent. One hypothesis postulates that this shortening is due to an excessive release of acetylcholine by the motor endplates. Trigger points are considered to be the most sensitive point of a contracted muscle band that can be felt on palpation. Myofascial pain syndrome is a regional pain syndrome that is characterized by a set of sensory, motor, and autonomic symptoms caused by the presence of myofascial trigger points located in a tight band of skeletal muscle, tendons, or fascia, which are painful upon compression and may be accompanied by local or referred pain. Myofascial Pain Syndrome (MPS) and Myofascial Trigger Points (MTrPs) Gerwin reported that 85% of back pain is associated with myofascial pain syndrome. Therefore, non-specific LBP is characterized by its not having an identified medical origin. Most people do not identify the pathological cause of their low back pain only a small percentage of the population knows the cause, with 90% of cases being non-specific. There are risk factors that may favor the appearance of non-specific LBP, such as certain habitual or professional postures that cause spinal deviations, excess weight, and the distension of the abdominal wall. The annual incidence rate ranges from 15% to 45%, being higher in the third decade. Most people who experience low back pain have recurrent episodes. ![]() Women have lower muscle mass, shorter stature, lower bone density, and greater joint fragility. The prevalence of non-specific LBP is higher in women than in men some authors believe that this is due to anatomical and functional issues. Between 19, a 54% increase in disability caused by low back pain was observed in low- and middle-income countries, making it one of the leading causes of disability worldwide. Studies indicate that the prevalence of non-specific low back pain worldwide is at 84%, increasing with age between 60 and 65 years, and gradually decreasing thereafter. LBP is a major public health problem worldwide it is estimated that 80% of the adult population will have difficulty with low back pain in their lifetime. Low back pain (LBP) is defined as pain located below the last ribs and above the buttocks, with or without pain in the lower extremities. DN may be more effective than IC in terms of PPT, pain intensity, and quality of life in treating latent plus hyperalgesic gluteus medius muscle MTrPs in subjects with non-specific low back pain after 48 h and after one week of treatment. Conclusions: IC could be more advisable than DN with respect to UDP and pain intensity in the most hyperalgesic latent MTrPs of the gluteus medius muscle in subjects with non-specific low back pain, immediately after treatment. Quality of life improved in both groups, with greater improvement in the DN group than in the IC group. These values increased more and were better maintained at 48 h and after one week of treatment in the DN group than in the IC group. Results: Statistically significant differences were shown between the two groups immediately after the intervention, showing a decrease in PPT ( p < 0.05) in the DN group and an increase in PPT in the IC group. Pain intensity, the pressure pain threshold (PPT), range of motion (ROM), and quality of life were assessed at baseline, immediately after treatment, after 48 h, and one week after treatment. ![]() ![]() Methods: For this study, 80 participants were randomly divided into two groups: the dry needling group, who received a single session of DN to the gluteus medius muscle plus hyperalgesia ( n = 40), and the IC group, who received a single session of IC to the gluteus medius muscle plus hyperalgesia ( n = 40). Dry needling (DN) and ischemic compression (IC) techniques may be useful for the treatment of these MTrPs. Background: The presence of latent myofascial trigger points (MTrPs) in the gluteus medius is one of the possible causes of non-specific low back pain.
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