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Research Paper | Physical Education | India | Volume 9 Issue 5, May 2020

Comparative Effect of Audio-Visual Biofeedback Therapy and Yoga Nidra on Lactate Clearance and Heart Rate during Recovery of Badminton Players

Das Payel | Pandey Vivek

Abstract: The present study was aimed at comparing the immediate effect of audio-visual biofeedback therapy and Yoga Nidra on blood lactate removal and heart rate among badminton players.10 (ten) male badminton players were selected using simple random method for the study, aged 18 to 23 years (mean, SD of age 211.15 as the scores were normally distributed). Each subject had to repeatedly undergone through Audio-Visual Biofeedback Therapy and Yoga Nidra and control training for a session of 30 minutes. Data were collected on blood lactate (with the help of lactic acid analyzer), heart rate (with the help of heart rate monitor) before and after the training of all the three training which was given immediately in different day after a badminton match of best of 3 sets. It was hypothesized that there would be significant difference of post effect among audio-visual biofeedback, Yoga Nidra and control group on lactic acid and heart rate. Two-way repeated measure ANOVA was employed for the analysis of result at 5 % level of significance. Finally, interaction effect of time and three different treatments were found significant on selected variables. Lactic acid concentration and heart rate were decreased significantly (p<0.05) in relation to the time in Yoga Nidra and biofeedback therapy respectively. No significant difference (p>0.05) was found in control group in both the variables between pre and post time. In with-in treatment effect of Yoga Nidra had shown significant difference with (p<0.000) than the biofeedback training and control group (p<0.001) in lactic acid. No significant difference (p>0.116) was shown between Yoga Nidra and Biofeedback method in heart rate reduction. Thus, it can be concluded that Yoga Nidra is more effective for faster recovery than the Audio-visual Biofeedback method as it increases the alpha activity, activating the parasympathetic nervous activation which leads to decreased psycho-physiological functions and muscles tension.

Keywords: Biofeedback Therapy, Yoga Nidra, Blood Lactate BL, Heart Rate HR

Edition: Volume 9 Issue 5, May 2020,

Pages: 158 - 164

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