Soumendra, Saha and Srilekha, Saha and Mohd Zahir, Nurfarah Ezzaty and C, Debashis and K C, Prabal
(2016)
Differential Biofeedback Intervention In Moderating
Inhibited Performance In Soccer.
SHS Web of Conferences, 23 (05002).
pp. 1-8.
ISSN 2261-2424
Abstract
Performance excellence in soccer crucially depends on mental toughness or more specifically
the aspect of emotional flexibility and hardiness of the player. Since indices of projective
evaluations can reveal hidden emotional crises and internal conflicts, psychobiological
evaluations could substantiate with the inner emotionality revealed to provide etiological
information related to performance hindrances in soccer. Present study was carried out to
identify the efficacy of skin conductance (Sc) biofeedback in regulation of sudomotor nerve
activity (SNA) and of electromyography (EMG) biofeedback in regulation of peak torque and
maximal voluntary contraction (MVC) in modification of performance catastrophe in soccer.
All of them were assessed with autonomic measures (SNA and Sc amplitude);
electromyography evaluation of emotionality and MVC revealed through EMG. Forty
National-selection group soccer players of Malaysia were randomly categorized into four
groups (Gr. A, N = 10, no-intervention control group); Gr. B (who received Sc biofeedback
training); Gr. C (received EMG biofeedback intervention) and Gr. D (players who received
combined training of Sc and EMG biofeedback intervention). Players of intervention groups
received their respective trainings for 12 weeks (15 min.s /day for 3 days/ week). Postintervention
analyses revealed marked improvement in the soccer players who received Sc
and EMG biofeedback intervention, and the combined biofeedback training was evident as
most efficient intervention technique in modulating emotionality as well as muscle
potentiality. Analysis of variance and repeated measure of ANOVA were done to observe
shared aetiology in the form of direct, inverse and supportive relationships between
psychobiological and emotional indices related to performance crises in soccer.
Comprehensive understanding of the confounding relationships between subjective feelings
emotionality and corroborative psychobiological indices as predictor of high performance
was achieved.
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