Effects of Aerobic Exercise Training With and Without Blood Flow Restriction in Fibromyalgia

Overview

In our study, we aimed to evaluate and compare the effects of low-intensity aerobic exercise training with blood flow restriction and without blood flow restriction, on pain, functional status, quality of life and catecholamine metabolite levels in 24-hour urine in adults with Fibromyalgia.

Fibromyalgia is a chronic disorder characterized by widespread pain, fatigue, sleep disturbance, cognitive disorder and other physical symptoms that negatively affect physical and sensory functions and impair quality of life. \[1\] Fibromyalgia is seen in the society at 2-4%, and the ratio of women to men is 9:1. It is seen most often between the ages of 45 and 60. Neuroendocrine deviations arise with the contribution of central sensitization and / or peripheral pain mechanisms as a result of environmentally related physiological and psychological stresses of people with genetic predisposition.\[2\] The depletion of biogenic amines in the central nervous system is blamed on the basis of major symptoms such as musculoskeletal pain, muscle fatigue, sleep disturbance, and comorbid chronic depression, anxiety, migraine, which are clinically observed in fibromyalgia. Decreased levels of aminergic neurotransmitters is detected in cerebrospinal fluid (CSF) of fibromyalgia patients, especially serotonin, dopamine, norepinephrine.\[3\] Studies have found that different exercise programs have positive effects on pain and functionality in fibromyalgia cases, and no side effects of these exercise programs have been observed. Aerobic exercise training is one of the most studied exercise modalities in fibromyalgia patients.\[4\] However, an increase in post-exercise pain was also found in patients with fibromyalgia due to a decrease in muscle blood flow, defect in muscle contraction physiology and a change in post-exercise pain modulation. In addition, it has been reported that the hormone response given to the exercise is impaired. All of these disorders can decrease patients' compliance to exercise.\[5\] Exercise with blood flow restriction - Blood Flow Restriction Training (BFRT) - is an increasingly popular exercise modality that creates a physiological effect equivalent to a high exercise intensity when exercising at low exercise intensities. In current studies, although a similar response to high-intensity aerobic exercise was obtained by performing low-intensity blood flow-restricted aerobic exercise training in other patient groups, a recommendation regarding the use of BFRT in a specific disease such as fibromyalgia is lacking.\[6\] In our study, we aimed to evaluate and compare the effects of low-intensity aerobic exercise training with blood flow restriction and without blood flow restriction, on pain, functional status, quality of life and catecholamine and melatonin metabolite levels in 24-hour urine in adults with Fibromyalgia.

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