Yoga Research Papers and Online Publications

Physiology of Meditation Techniques | Physiology of Pranayama | Yoga For Rehabilitation | Yoga in Perception and Performance | Therapeutic Applications of Yoga

Alterations In AEPs During Meditation On "Om"

Recording Of AEPs During Meditation On "Om"

Autonomic Changes During "Om" Meditation

Heart Rate And Respiratory Changes Accompanying Yogic Conditions

Autonomic Changes While Repeating Meaningful And Neutral Symbols

AutonOmic Changes In Brahmakumaris Raja Yoga Meditation

Yoga Based Guided Relaxation Reduces Sympathetic Activity

Oxygen Consumption And Respiration Following Relaxation Techniques

Yoga Based Isometric Relaxation Versus Supine Rest

RESULTS
The group means (± SEMs) obtained in the two sessions are given in Tables 1 and 2.

Oxygen consumption, breath volume
The paired t-test showed a 25.2% decrease in oxygen consumption after guided relaxation (p<.001). Breath amplitude increased by 15.0%, after guided relaxation (p<.01).

Autonomic measures and breath rate
The paired t-test showed significant differences during guided relaxation compared to the respective Before values for the following parameters, (i) skin conductance level reduced by 35.6%, (p<.05);

TABLE 1

Means and Standards error of the means (SEMs) of Oxygen Consumption and Breath volume before and after guided relaxation and supine rest (n = 25)

VARIABLES	GUIDED RELAXATION				SUPINE REST
	Pre		Post		Pre		Post
	M	SEM	M	SEM	M	SEM	M	SEM
1. Oxygen Consumption (ml/min )	768.8	55.1	574.9 †	42.5	618.1	66.3	573.4	58.7
2. Breath Volume (ml)	906.2	57.0	1042.3*	59.0	949.7	59.2	1009.9	64.2

*p<.02, † p<.01, paired t -test, "After" compared to "Before"

TABLE 2

Subjects with base line ratio of > 0.5				Subjects with base line ratio of < 0.5
Guided Before	Relaxation After	Supine Before	Rest After	Guided Before	Relaxation After	Supine Before	Rest After
.73	.24	.54	.83	.47	1.27	.41	.44
.60	.38	.68	.52	.49	.55	.49	.36
3.17	.54	.77	1.47	.48	.59	.30	.38
.82	.24	.72	.68	.41	.33	.32	.30
.76	.47	.59	.26	.44	.42	.46	.43
.94	.40	.65	.64	.50	.22	.34	.52
.51	.50	.73	.57			.50	.32
.61	.42	.69	.46
.53	.78

(ii) heart rate reduced by 9.7%, (p<.001); (iii) low frequency component reduced by 15.5%, (p<.05), (iv) high frequency component increased by 9.8%, (p<.05). During supine rest compared to the preceding period significant changes occurred in: (i) skin conductance level reduced by 27.0%, (p<.01); (ii) heart rate decreased by 6.5%, (p<.01), also finger plethysmogram amplitude reduced by 25.8%, After supine rest compared to Before (p<.01). The Wilcoxon paired signed ranks test showed a significant decrease in the LF/HF ratio after guided relaxation, for subjects with baseline LF/HF >0.5 (Group I) (p<.05(1); n=9).

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Main
	Summary
	Introduction
Method
	Subjects
	Design
	Assessment
	Guided relaxation technique
	Supine Rest
	Data Extraction
Results
	Table 1
	Table 2
Discussion
References

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