Paper Title
Effects of Biofeedback Training on HRV, Mood State and Shooting Performance of Shooters

Abstract
This study investigates the effects of biofeedback training on the HRV, emotional state, and shooting performance of athletes. Subjects undergo a 12-week biofeedback training experiment. Results indicate significant improvement in athletes' HRV frequency domain indices (p < 0.05), reduced negative emotions like tension and anger (p < 0.05), increased vitality and positivity, though changes in fatigue and self-emotional state weren't statistically significant (p > 0.05). Shooting performance significantly improved post-training (p < 0.01). This suggests that biofeedback training positively impacts autonomic nervous system function, emotional stability, and shooting skills. Correlation analysis shows TP (total power) positively correlates with shooting performance, while LFnorm (low frequency normalization) negatively correlates. Anger negatively correlates with shooting performance, as does vigor with depression, underscoring the importance of emotional regulation in shooting performance. Biofeedback training significantly enhances shooting performance by improving HRV, optimizing emotional state, and strengthening emotional regulation abilities. Keywords - Biofeedback Training, Heart Rate Variability,Mood State, Shooting Performance.