Yoga Effects on Heart Rate Variability and Electroencephalography

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-01-31

Study Completion Date

2014-03-31

Brief Summary

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Since yoga breathing exercises are traditionally used to tranquilize the mind, and have a well-known positive effect on the cardiovascular system, it is our hypothesis that a respiratory yoga exercise named bhastrika pranayama may have positive effects on heart rate variability, electroencephalography, quality of life and salivary cortisol (stress hormone).

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Detailed Description

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The effects of yoga interventions on heart rate variability have been previously shown in our laboratory, having its efficacy in improving autonomic heart modulation of hypertensives and elderly subjets proven. However, there is a lack of data addressing the effects of such interventions on EEG patterns of health fit male subjects, as well as there are no study investigating if there is a relationship between heart autonomic modulation changes and EEG patterns. Thus, the aim of this study was to investigate the effects of 1 month respiratory yoga training on heart rate variability, EEG, salivary cortisol and quality of life of health fit male subjets.

Conditions

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Health Behavior Quality of Life

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Group 1

1 month respiratory training

Group Type EXPERIMENTAL

1 month respiratory training

Intervention Type BEHAVIORAL

Bhastrika yoga respiratory training: 30 kapalabhati and 1 surya bedhana form 1 bhastrika

1 month waiting period

Intervention Type BEHAVIORAL

waiting or detraining period

Group 2

1 month waiting period

Group Type EXPERIMENTAL

1 month respiratory training

Intervention Type BEHAVIORAL

Bhastrika yoga respiratory training: 30 kapalabhati and 1 surya bedhana form 1 bhastrika

1 month waiting period

Intervention Type BEHAVIORAL

waiting or detraining period

Interventions

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1 month respiratory training

Bhastrika yoga respiratory training: 30 kapalabhati and 1 surya bedhana form 1 bhastrika

Intervention Type BEHAVIORAL

1 month waiting period

waiting or detraining period

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Young adults;
* Physically fit (engaged in physical activity at least 2-3 times a week);
* Non athletes;
* Possibility to follow protocol agenda.

Exclusion Criteria

* Epileptic events in previous 5 years;
* Chronic allergic rhinitis, with airway occlusion;
* Oral bronchodilator usage;
* Beta blocker user;
* Any diagnosed cardiac rhythm alteration at rest;
* Cerebral dysrhythmia;
* Previous training in respiratory yoga exercises.

Minimum Eligible Age

25 Years

Maximum Eligible Age

45 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes