| Summary: | Objectives: To document and explain Yoga′s effects on acupuncture meridian energies. To understand mechanisms behind Yoga′s efficacy by testing links between yoga and traditional Chinese medicine.
Materials and Methods: The study compared two groups of yoga practitioners: Novice and experienced. Novices consisted of 33 volunteers from a Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA) yoga instructor training module and the experienced practitioners were 20 resident SVYASA students. The intervention was 3 weeks of a yoga training program, new for the novices, but the lifestyle of the experienced group, who were therefore assessed only once. Novices were assessed on day 2 and 23 of their program at SVYASA′s Yoga Medicine Hospital, making their data a pre-post, self-as-control, prospective study. Main outcome measures were mean acumeridian energy levels assessed by AcuGraph3 measures of electrodermal resistance at acupoints; additionally, gender differences, standard deviations (SDs) of all measures, and comparison of post and experienced group data.
Results: Averaged energy levels significantly improved in all 24 meridians (maximum P = 0.032, 4-P < 0.01, and 19-P < 0.001). Females improved more than males (P < 0.05), both ending at similar levels to experienced practitioners, whose SDs were lower than novices on 19/24 meridians (mean F = 3.715, P = 0.0022), and 4/5 average variables.
Conclusions: AcuGraph3 electrodermal measures contain substantial information, P << 0.00001. Yoga-lifestyle practice can increase and balance acumeridian energies; long-term practice decreases group SD′s. These three suggest reasons why yoga practice impacts health: One, increased prana levels are important; two and three, improved physiological regulation is the key. Further studies relating traditional Indian and Chinese medical systems are needed.
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