Neuroendocrine effects of a single bout of functional and core stabilization training in women with chronic nonspecific low back pain: A crossover study

Exercise-induced hypoalgesia (BM) is characterized as the pain reduction after an exercise session and it seems to be related to the release of plasma beta-endorphin. In this sense, the core stabilization training (CT) has been suggested for patients with chronic nonspecific low back pain (CNSLBP), but it is unclear whether it induces Bill. Patients with CNSLBP have neuromotor dysfunctions that can affect the performance of functional tasks. thus, performing functional training (IT could improve motor control and promote MIL since functional training uses multi-joint exercises that aim to improve the functionality of actions performed in daily life. EIH is usually assessed using quantitative sensory tests (QST) such as conditioned pain modulation, pressure pain threshold, and temporal summation. Thus, the sum of parameters from quantitative sensory tests and plasma beta-endorphin would make it possible to understand what the neuroendocrine effects of FT and CT session are. Our study compared the acute effect of CT and FT on the FAH and plasma beta-endorphin release, and correlated plasma beta-endorphin with quantitative sensory testing in patients with CNSLBP. Eighteen women performed two training sessions (CT and FT) with an interval of 48 h between sessions. EII I was assessed by QST and plasma beta-endorphin levels. Results showed that only FT significantly increased plasma beta-endorphin (FT p< 0.01; CT p = 0.45), which correlated with pain pressure threshold (PPT) and conditioned pain modulation (CPM). However, QST values were not different in women with CNSI,BP after CT or FT protocols. Plasma beta-endorphin correlated with PPT and CPM, however, the same did not occur with a temporal summation.