PeerJ Reviewer Match - hyperbaric O2 therapy Effects on EEG/sEMG Post-Exercise

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Effects of hyperbaric oxygen therapy on EEG and s EMG Signals After High-Intensity Exercise

Abstract

Objective: To evaluate the effect of hyperbaric oxygen therapy (HBOT) on acute exercise-induced fatigue via Electroencephalogram Signal ( EEG Signal ) and Surface Electromyography Signal ( sEMG Signal ), to provide a theoretical basis and methodological reference for promoting fatigue recovery. Methods: College students (n=34) majoring in physical education were randomly assigned to an experimental group (n=17) or a control group (n=17). Fatigue was induced using a “30+15+15+15” sessions/set combined with “20%1RM+30%AOP” blood flow restriction training (BFRT). The control group naturally recovered for 60 min at ambient room temperature with 1.0 ATA and 20.9% oxygen concentration. The experimental group received 1.3 ATA–HBOT for 60 min. EEG Signal, sEMG Signal, heart rate, blood oxygen saturation, blood lactate (LA), blood pressure, and the Borg Subjective Fatigue Perception Assessment Scale (RPE) were assessed before exercise, immediately after exercise, and post-intervention. Results: LA, RPE, alpha, and theta waves in the central area and occipital lobe, alpha waves in the parietal lobe, RMS, MF, and MPF in the musculus femoris medialis, musculus rectus femoris, and external sural muscle had time-group interaction effects. After intervention, the MF and MPF of musculus femoris medialis, m usculus rectus femoris and external sural muscle in the experimental group were significantly higher than those in the control group ( P <0.05), and the alpha wave in central area, parietal lobe and occipital lobe were significantly higher than those in the control group ( P <0.01); LA, RPE, beta wave in central area and occipital lobe, RMS in musculus femoris medialis and m usculus rectus femoris femoris were significantly lower than those in control group ( P <0.01), and RMS in external sural muscle was significantly lower than that in control group ( P <0.05). Conclusion: EEG and sEMG Signal measurements indicate that BFRT induces central and peripheral fatigue simultaneously. After fatigue, 1.3 ATA–HBOT accelerates recovery from both types within 60 min. Thus, this recovery method can be used as an effective strategy to accelerate recovery from BFRT-induced fatigue.

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