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J Diabetes Complications. 2014 May-Jun;28(3):406-12. doi: 10.1016/j.jdiacomp.2013.12.001. Epub 2013 Dec 10.

Restorative yoga and metabolic risk factors: the Practicing Restorative Yoga vs. Stretching for the Metabolic Syndrome (PRYSMS) randomized trial.

Author information

1
University of California, San Francisco. Electronic address: alka.kanaya@ucsf.edu.
2
University of California, San Diego.
3
University of California, San Francisco.
4
Synchrony Applied Health Sciences, Del Mar, CA.

Abstract

AIMS:

Intensive lifestyle change prevents type 2 diabetes but is difficult to sustain. Preliminary evidence suggests that yoga may improve metabolic factors. We tested a restorative yoga intervention vs. active stretching for metabolic outcomes.

METHODS:

In 2009-2012, we conducted a 48-week randomized trial comparing restorative yoga vs. stretching among underactive adults with the metabolic syndrome at the Universities of California, San Francisco and San Diego. We provided lifestyle counseling and a tapering series of 90-min group classes in the 24-week intervention period and 24-week maintenance period. Fasting and 2-h glucose, HbA1c, triglycerides, HDL-cholesterol, insulin, systolic blood pressure, visceral fat, and quality of life were assessed at baseline, 6- and 12-months.

RESULTS:

180 participants were randomized and 135 (75%) completed the trial. At 12 months, fasting glucose decreased more in the yoga group than in the stretching group (-0.35 mmol/L vs. -0.03 mmol/L; p=0.002); there were no other significant differences between groups. At 6 months favorable changes within the yoga group included reductions in fasting glucose, insulin, and HbA1c and an increase in HDL-cholesterol that were not sustained at 1 year except changes in fasting glucose. The stretching group had a significant reduction in triglycerides at 6 months which was not sustained at 1 year but had improved quality of life at both time-points.

CONCLUSIONS:

Restorative yoga was marginally better than stretching for improving fasting glucose but not other metabolic factors.

KEYWORDS:

Diabetes; Prevention; Randomized clinical trial; Weight management

PMID:
24418351
PMCID:
PMC4004660
DOI:
10.1016/j.jdiacomp.2013.12.001
[Indexed for MEDLINE]
Free PMC Article

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