1 1578 135 MEASUREMENT OF THE EFFECT OF ISHA YOGA ON CARDIAC AUTONOMIC NERVOUS SYSTEM USING SHORT-TERM HEART RATE VARIABILITY. BACKGROUND: BENEFICIAL EFFECTS OF YOGA HAVE BEEN POSTULATED TO BE DUE TO MODULATION OF THE AUTONOMIC NERVOUS SYSTEM. OBJECTIVE: TO ASSESS THE EFFECT OF ISHA YOGA PRACTICES ON CARDIOVASCULAR AUTONOMIC NERVOUS SYSTEM THROUGH SHORT-TERM HEART RATE VARIABILITY (HRV). DESIGN OF THE STUDY: SHORT-TERM HRV OF LONG-TERM REGULAR HEALTHY 14 (12 MALES AND 2 FEMALES) ISHA YOGA PRACTITIONERS WAS COMPARED WITH THAT OF AGE- AND GENDER-MATCHED 14 (12 MALES AND 2 FEMALES) NON-YOGA PRACTITIONERS. METHODS AND MATERIALS: ECG LEAD II AND RESPIRATORY MOVEMENTS WERE RECORDED IN BOTH GROUPS USING POLYRITE DURING SUPINE REST FOR 5 MIN AND CONTROLLED DEEP BREATHING FOR 1 MINUTE. FREQUENCY DOMAIN ANALYSIS [RR INTERVAL IS THE MEAN OF DISTANCE BETWEEN SUBSEQUENT R WAVE PEAKS IN ECG], LOW FREQUENCY (LF) POWER, HIGH FREQUENCY (HF) POWER, LF NORMALIZED UNITS (NU), HF NU, LF/HF RATIO] AND TIME DOMAIN ANALYSIS [STANDARD DEVIATION OF NORMAL TO NORMAL INTERVAL (SDNN), SQUARE OF MEAN SQUARED DIFFERENCE OF SUCCESSIVE NORMAL TO NORMAL INTERVALS (RMSSD), NORMAL TO NORMAL INTERVALS WHICH ARE DIFFERING BY 50 MS (NN50), AND PERCENTAGE OF NN50 (PNN50)] OF HRV VARIABLES WERE ANALYZED FOR SUPINE REST. TIME DOMAIN ANALYSIS WAS RECORDED FOR DEEP BREATHING. RESULTS: RESULTS SHOWED STATISTICALLY SIGNIFICANT DIFFERENCES BETWEEN ISHA YOGA PRACTITIONERS AND CONTROLS IN BOTH FREQUENCY AND TIME DOMAIN ANALYSES OF HRV INDICES, WITH NO DIFFERENCE IN RESTING HEART RATE BETWEEN THE GROUPS. CONCLUSIONS: PRACTITIONERS OF ISHA YOGA SHOWED WELL-BALANCED BENEFICIAL ACTIVITY OF VAGAL EFFERENTS, AN OVERALL INCREASED HRV, AND SYMPATHOVAGAL BALANCE, COMPARED TO NON-YOGA PRACTITIONERS DURING SUPINE REST AND DEEP BREATHING. 2012 2 2731 59 YOGA OFFERS CARDIOVASCULAR PROTECTION IN EARLY POSTMENOPAUSAL WOMEN. CONTEXT: POSTMENOPAUSE, AN ESTROGEN DEFICIENT STATE COMES WITH INCREASED INCIDENCE OF CARDIOVASCULAR DISEASES (CVDS). YOGA HAS BEEN DESCRIBED AS HAVING A BENEFICIAL EFFECT ON HEART RATE VARIABILITY (HRV), A MARKER FOR CARDIAC AUTONOMIC ACTIVITY WHICH CAN ASSESS CARDIOVASCULAR RISK, IN VARIOUS POPULATIONS. AIM: THE AIM OF THE STUDY WAS TO STUDY THE EFFECT OF 3-MONTH LONG YOGA PRACTICE ON HRV IN EARLY POSTMENOPAUSAL WOMEN. SETTINGS AND DESIGN: A PROSPECTIVE LONGITUDINAL STUDY OF 67 WOMEN WITHIN 5 YEARS OF MENOPAUSE BETWEEN 45 AND 60 YEARS OF AGE ATTENDING MENOPAUSE CLINIC OF DEPARTMENT OF GYNAECOLOGY, SUCHETA KRIPLANI HOSPITAL FULFILLING INCLUSION AND EXCLUSION CRITERIA AND CONSENTING WERE ENROLLED FOR THE STUDY. SUBJECTS AND METHODS: HRV OF 37 CASES (YOGA GROUP) AND 30 CONTROLS (NON-YOGA GROUP) WAS RECORDED PRE AND 3-MONTH POSTINTERVENTION. STATISTICAL ANALYSIS USED: GRAPHPAD PRISM VERSION 5 SOFTWARE WAS USED. VALUES ARE A MEAN AND STANDARD ERROR OF MEAN. STATISTICAL SIGNIFICANCE WAS SET UP AT P < 0.05. RESULTS: IN HRV, FREQUENCY DOMAIN ANALYSIS SHOWED A SIGNIFICANT FALL IN LOW FREQUENCY (LF) IN NORMALIZED UNITS (NU) AND LF: HIGH FREQUENCY (HF) RATIO AND SIGNIFICANT RISE IN HF IN NU IN THE YOGA GROUP (DEPICTING PARASYMPATHETIC DOMINANCE) AGAINST A SIGNIFICANT RISE IN LF (NU) AND LF: HF RATIO AND SIGNIFICANT FALL IN HF (NU) IN NON-YOGA GROUP (INDICATING SYMPATHETIC DOMINANCE). TIME DOMAIN ANALYSIS SHOWED A SIGNIFICANT DECREASE IN STANDARD DEVIATION OF NN INTERVALS IN NON-YOGA GROUP AGAINST NONSIGNIFICANT CHANGES IN YOGA GROUP INDICATING DETERIORATION IN PARASYMPATHETIC ACTIVITY IN NON-YOGA GROUP. CONCLUSIONS: THREE-MONTH LONG YOGA PRACTICE IMPROVED HRV IN EARLY POSTMENOPAUSAL WOMEN SIGNIFICANTLY AND HAS THE POTENTIAL TO ATTENUATE THE CVD RISK IN POSTMENOPAUSAL WOMEN. 2018 3 1374 32 IMPACT OF AN INTEGRATED YOGA THERAPY PROTOCOL ON INSULIN RESISTANCE AND GLYCEMIC CONTROL IN PATIENTS WITH TYPE 2 DIABETES MELLITUS. OBJECTIVE: DIABETES MELLITUS (DM), CHARACTERIZED BY CHRONIC HYPERGLYCEMIA, IS ATTRIBUTED TO RELATIVE INSULIN DEFICIENCY OR RESISTANCE, OR BOTH. STUDIES HAVE SHOWN THAT YOGA CAN MODULATE PARAMETERS OF INSULIN RESISTANCE. THE PRESENT STUDY EXPLORED THE POSSIBLE BENEFICIAL EFFECTS OF INTEGRATED YOGA THERAPY WITH REFERENCE TO GLYCEMIC CONTROL AND INSULIN RESISTANCE (IR) IN INDIVIDUALS WITH DIABETES MAINTAINED ON STANDARD ORAL MEDICAL CARE WITH YOGA THERAPY, COMPARED TO THOSE ON STANDARD ORAL MEDICAL CARE ALONE. METHODS: IN THIS STUDY, THE SUBJECTS ON YOGA INTERVENTION COMPRISED 35 TYPE 2 DIABETICS, AND AN EQUAL NUMBER OF VOLUNTEERS CONSTITUTED THE CONTROL GROUP. SUBJECTS RANGED IN AGE FROM 30 TO 70 YEARS, WITH HEMOGLOBIN A1C (HBA1C) TEST MORE THAN 7%, AND WERE MAINTAINED ON DIABETIC DIET AND ORAL HYPOGLYCEMIC AGENTS. BLOOD SAMPLES WERE DRAWN PRIOR TO AND AFTER 120 DAYS OF INTEGRATED YOGA THERAPY INTERVENTION. FASTING BLOOD GLUCOSE (FBG), POST-PRANDIAL BLOOD GLUCOSE (PPBG), HBA1C, INSULIN, AND LIPID PROFILE WERE ASSESSED IN BOTH THE INTERVENTION AND CONTROL GROUPS. RESULTS: THE INTERVENTION GROUP REVEALED SIGNIFICANT IMPROVEMENTS IN BODY MASS INDEX (BMI) (0.7 KG/M(2) MEDIAN DECREASE; P=0.001), FBG (20 MG/DL MEDIAN DECREASE; P<0.001), PPBG (33 MG/DL MEDIAN DECREASE; P<0.001), HBA1C (0.4% MEDIAN DECREASE; P<0.001), HOMEOSTATIC MODEL ASSESSMENT FOR INSULIN RESISTANCE (HOMA-IR) (1.2 MEDIAN DECREASE; P<0.001), CHOLESTEROL (13 MG/DL MEDIAN DECREASE, P=0.006), TRIACYLGLYCEROL (22 MG/DL MEDIAN DECREASE; P=0.027), LOW-DENSITY LIPOPROTEIN (6 MG/DL MEDIAN DECREASE; P=0.004), AND VERY-LOW-DENSITY LIPOPROTEIN LEVELS (4 MG/DL MEDIAN DECREASE; P=0.032). INCREASES IN HIGH-DENSITY LIPOPROTEIN AFTER 120 DAYS WERE NOT SIGNIFICANT (6 MG/DL MEDIAN INCREASE; P=0.15). HOWEVER, WHEN COMPARED TO CHANGES OBSERVED IN PATIENTS IN THE CONTROL GROUP, ALL THESE IMPROVEMENTS PROVED TO BE SIGNIFICANT. CONCLUSION: ADMINISTRATION OF INTEGRATED YOGA THERAPY TO INDIVIDUALS WITH DIABETES LEADS TO A SIGNIFICANT IMPROVEMENT IN GLYCEMIC CONTROL, INSULIN RESISTANCE, AND KEY BIOCHEMICAL PARAMETERS. 2022 4 2518 43 YOGA COMPARED TO NON-EXERCISE OR PHYSICAL THERAPY EXERCISE ON PAIN, DISABILITY, AND QUALITY OF LIFE FOR PATIENTS WITH CHRONIC LOW BACK PAIN: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: CHRONIC LOW BACK PAIN (CLBP) IS A COMMON AND OFTEN DISABLING MUSCULOSKELETAL CONDITION. YOGA HAS BEEN PROVEN TO BE AN EFFECTIVE THERAPY FOR CHRONIC LOW BACK PAIN. HOWEVER, THERE ARE STILL CONTROVERSIES ABOUT THE EFFECTS OF YOGA AT DIFFERENT FOLLOW-UP PERIODS AND COMPARED WITH OTHER PHYSICAL THERAPY EXERCISES. OBJECTIVE: TO CRITICALLY COMPARE THE EFFECTS OF YOGA FOR PATIENTS WITH CHRONIC LOW BACK PAIN ON PAIN, DISABILITY, QUALITY OF LIFE WITH NON-EXERCISE (E.G. USUAL CARE, EDUCATION), PHYSICAL THERAPY EXERCISE. METHODS: THIS STUDY WAS REGISTERED IN PROSPERO, AND THE REGISTRATION NUMBER WAS CRD42020159865. RANDOMIZED CONTROLLED TRIALS (RCTS) OF ONLINE DATABASES INCLUDED PUBMED, WEB OF SCIENCE, COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS, EMBASE WHICH EVALUATED EFFECTS OF YOGA FOR PATIENTS WITH CHRONIC LOW BACK PAIN ON PAIN, DISABILITY, AND QUALITY OF LIFE WERE SEARCHED FROM INCEPTION TIME TO NOVEMBER 1, 2019. STUDIES WERE ELIGIBLE IF THEY ASSESSED AT LEAST ONE IMPORTANT OUTCOME, NAMELY PAIN, BACK-SPECIFIC DISABILITY, QUALITY OF LIFE. THE COCHRANE RISK OF BIAS TOOL WAS USED TO ASSESS THE METHODOLOGICAL QUALITY OF INCLUDED RANDOMIZED CONTROLLED TRIALS. THE CONTINUOUS OUTCOMES WERE ANALYZED BY CALCULATING THE MEAN DIFFERENCE (MD) OR STANDARDIZED MEAN DIFFERENCE (SMD) WITH 95% CONFIDENCE INTERVALS (CI) ACCORDING TO WHETHER COMBINING OUTCOMES MEASURED ON DIFFERENT SCALES OR NOT. RESULTS: A TOTAL OF 18 RANDOMIZED CONTROLLED TRIALS WERE INCLUDED IN THIS META-ANALYSIS. YOGA COULD SIGNIFICANTLY REDUCE PAIN AT 4 TO 8 WEEKS (MD = -0.83, 95% CI = -1.19 TO -0.48, P<0.00001, I2 = 0%), 3 MONTHS (MD = -0.43, 95% CI = -0.64 TO -0.23, P<0.0001, I2 = 0%), 6 TO 7 MONTHS (MD = -0.56, 95% CI = -1.02 TO -0.11, P = 0.02, I2 = 50%), AND WAS NOT SIGNIFICANT IN 12 MONTHS (MD = -0.52, 95% CI = -1.64 TO 0.59, P = 0.36, I2 = 87%) COMPARED WITH NON-EXERCISE. YOGA WAS BETTER THAN NON-EXERCISE ON DISABILITY AT 4 TO 8 WEEKS (SMD = -0.30, 95% CI = -0.51 TO -0.10, P = 0.003, I2 = 0%), 3 MONTHS (SMD = -0.31, 95% CI = -0.45 TO -0.18, P<0.00001, I2 = 30%), 6 MONTHS (SMD = -0.38, 95% CI = -0.53 TO -0.23, P<0.00001, I2 = 0%), 12 MONTHS (SMD = -0.33, 95% CI = -0.54 TO -0.12, P = 0.002, I2 = 9%). THERE WAS NO SIGNIFICANT DIFFERENCE ON PAIN, DISABILITY COMPARED WITH PHYSICAL THERAPY EXERCISE GROUP. FURTHERMORE, IT SUGGESTED THAT THERE WAS A NON-SIGNIFICANT DIFFERENCE ON PHYSICAL AND MENTAL QUALITY OF LIFE BETWEEN YOGA AND ANY OTHER INTERVENTIONS. CONCLUSION: THIS META-ANALYSIS PROVIDED EVIDENCE FROM VERY LOW TO MODERATE INVESTIGATING THE EFFECTIVENESS OF YOGA FOR CHRONIC LOW BACK PAIN PATIENTS AT DIFFERENT TIME POINTS. YOGA MIGHT DECREASE PAIN FROM SHORT TERM TO INTERMEDIATE TERM AND IMPROVE FUNCTIONAL DISABILITY STATUS FROM SHORT TERM TO LONG TERM COMPARED WITH NON-EXERCISE (E.G. USUAL CARE, EDUCATION). YOGA HAD THE SAME EFFECT ON PAIN AND DISABILITY AS ANY OTHER EXERCISE OR PHYSICAL THERAPY. YOGA MIGHT NOT IMPROVE THE PHYSICAL AND MENTAL QUALITY OF LIFE BASED ON THE RESULT OF A MERGING. 2020 5 1318 50 HEART RATE VARIABILITY IN CHRONIC LOW BACK PAIN PATIENTS RANDOMIZED TO YOGA OR STANDARD CARE. BACKGROUND: CHRONIC PAIN CAN ALTER THE AUTONOMIC BALANCE WITH INCREASED SYMPATHETIC ACTIVITY REFLECTED IN ALTERED HEART RATE VARIABILITY (HRV). IT HAS BEEN PROPOSED THAT YOGA CAN BE USEFUL TO CORRECT THE AUTONOMIC IMBALANCE IN PATIENTS WITH CHRONIC PAIN WHO HAVE REDUCED HRV. METHODS AND DESIGNS: IN THE PRESENT RANDOMIZED CONTROLLED TRIAL 62 PATIENTS WITH CHRONIC LOW BACK PAIN ASSOCIATED WITH ALTERED ALIGNMENT OF INTERVERTEBRAL DISCS (AGED BETWEEN 20 AND 45 YEARS, 32 MALES) WERE RANDOMIZED TO 2 GROUPS. ONE GROUP RECEIVED YOGA FOR 3 MONTHS WHILE THE OTHER GROUP CARRIED OUT STANDARD MEDICAL CARE BASED ON THE PHYSICIAN'S ADVICE. THE DURATION WAS THE SAME, I.E., 3 MONTHS. THE HEART RATE VARIABILITY AND RATE OF RESPIRATION WERE ASSESSED AT BASELINE AND AT THE END OF 3 MONTHS. RESULTS: THERE WAS A SIGNIFICANT DIFFERENCE IN THE BASELINE (PRE) VALUES BETWEEN GROUPS (P = 0.008) FOR RESPIRATION RATE WHICH WAS HIGHER IN THE YOGA GROUP. THE CHANGES REPORTED BELOW ARE PRE-POST COMPARISONS WITHIN EACH GROUP. THE YOGA GROUP SHOWED A SIGNIFICANT (P < 0.05; REPEATED MEASURES ANOVA, POST-HOC ANALYSES) DECREASE IN THE LF POWER OF HRV, RATE OF RESPIRATION AND A SIGNIFICANT INCREASE IN THE HF POWER OF HRV AND IN THE PNN50. CONCLUSION: THE RESULTS SUGGEST THAT YOGA PRACTICE CAN SHIFT THE AUTONOMIC BALANCE TOWARDS VAGAL DOMINANCE IN PATIENTS WITH CHRONIC LOW BACK PAIN ASSOCIATED WITH ALTERED ALIGNMENT OF INTERVERTEBRAL DISCS. TRIAL REGISTRATION: THE STUDY IS REGISTERED WITH THE CLINICAL TRIALS REGISTRY OF INDIA ( CTRI/2012/11/003094 ) AND CAN BE ACCESSED AT. 2016 6 674 28 EFFECT OF A SHORT-TERM YOGA-BASED LIFESTYLE INTERVENTION ON HEALTH-RELATED QUALITY OF LIFE IN OVERWEIGHT AND OBESE SUBJECTS. OBJECTIVE: TO STUDY THE EFFECT OF A SHORT-TERM YOGA-BASED LIFESTYLE INTERVENTION ON HEALTH-RELATED QUALITY OF LIFE (HRQOL) IN OVERWEIGHT AND OBESE PERSONS. DESIGN AND SETTING: NONRANDOMIZED, SINGLE-ARM INTERVENTIONAL STUDY CONDUCTED FROM AUGUST 2012 TO MARCH 2015 AT INTEGRAL HEALTH CLINIC, DEPARTMENT OF PHYSIOLOGY, ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI, INDIA. PARTICIPANTS: OVERWEIGHT (BODY-MASS INDEX [BMI], 23-24.9 KG/M(2)) AND OBESE (BMI, >/=25 KG/M(2)) PERSONS (N = 279) AGED 20-60 YEARS. INTERVENTION: PRETESTED YOGA-BASED LIFESTYLE INTERVENTION, INCLUDING ASANAS (POSTURES), PRANAYAMA (BREATHING EXERCISES), RELAXATION TECHNIQUES, LECTURES, GROUP SUPPORT, NUTRITION AWARENESS PROGRAM, AND INDIVIDUALIZED ADVICE. OUTCOME MEASURES: PRIMARY OUTCOME MEASURE WAS HRQOL, MEASURED BY USING SHORT VERSION OF WORLD HEALTH ORGANIZATION QUALITY OF LIFE (WHOQOL-BREF) QUESTIONNAIRE. SECONDARY OUTCOME MEASURES WERE ANTHROPOMETRIC VARIABLES, SYSTOLIC AND DIASTOLIC BLOOD PRESSURE, PULSE RATE, LIPID PROFILE, AND FASTING GLUCOSE. A SUBGROUP ANALYSIS ACCORDING TO SEX WAS ALSO PERFORMED. RESULTS: THE OVERALL QUALITY OF LIFE AND HEALTH IMPROVED AFTER SHORT-TERM YOGA-BASED LIFESTYLE INTERVENTION IN OVERWEIGHT AND OBESE PERSONS. PHYSICAL, PSYCHOLOGICAL AND ENVIRONMENTAL DOMAIN SCORES SIGNIFICANTLY INCREASED FROM BASELINE TO DAY 10, AND EFFICACY WAS NOTED IN BOTH MALE AND FEMALE SUBGROUPS. AFTER 10 DAYS OF INTERVENTION, THE FOLLOWING ALSO DECREASED SIGNIFICANTLY: BODY WEIGHT, BMI, TOTAL BODY FAT, WAIST AND HIP CIRCUMFERENCE, WAIST-TO-HIP RATIO, SYSTOLIC AND DIASTOLIC BLOOD PRESSURE, TOTAL CHOLESTEROL, LOW-DENSITY LIPOPROTEIN, TRIGLYCERIDES, AND FASTING GLUCOSE. CONCLUSION: A SHORT-TERM YOGA-BASED LIFESTYLE INTERVENTION HAD A POSITIVE EFFECT ON HRQOL IN OVERWEIGHT AND OBESE PERSONS. 2016 7 350 68 ASSESSMENT OF CARDIAC AUTONOMIC TONE FOLLOWING LONG SUDARSHAN KRIYA YOGA IN ART OF LIVING PRACTITIONERS. OBJECTIVE: THE BREATHING PROCESSES ARE KNOWN TO MODULATE CARDIAC AUTONOMIC TONE AND IMPROVE PSYCHOLOGICAL STATUS. WE INVESTIGATED CARDIAC AUTONOMIC TONE FOLLOWING LONG SUDARSHAN KRIYA YOGA (SKY) USING HEART RATE VARIABILITY (HRV) AND SKIN CONDUCTANCE LEVEL (SCL). METHODS: THIRTY HEALTHY VOLUNTEERS (AGE 28.3 +/- 8.4 YEARS; 23 M: 7 F) PARTICIPATED IN THE STUDY. ELECTROCARDIOGRAM (ECG) AND SCL WERE RECORDED FOR 5 MIN EACH, BEFORE AND AFTER LONG SKY. LONG SKY IS A COMBINATION OF PRANAYAMA AND CYCLIC RHYTHMIC BREATHING AND IS PERFORMED BY FOLLOWING THE GUIDED AUDIO INSTRUCTIONS. HRV ANALYSIS WAS USED FOR THE ASSESSMENT OF CARDIAC AUTONOMIC TONE. TIME AND FREQUENCY DOMAIN PARAMETERS OF HRV WERE CALCULATED BY USING RR INTERVAL OF ECG. SCL WAS ACQUIRED USING GALVANIC SKIN RESPONSE (GSR) AMPLIFIER OF POWERLAB IN MICROSEIMENS (MUS). RESULTS: TIME DOMAIN PARAMETERS OF HRV, INCLUDING MEAN RR INTERVAL (P = 0.000), RESPIRATORY SINUS ARRHYTHMIA (RSA) (P = 0.037), STANDARD DEVIATION OF ALL NN INTERVALS (SDNN) (P = 0.013), NN50 COUNT DIVIDED BY THE TOTAL NUMBER OF ALL NN INTERVALS (PNN50) (P = 0.004), AND SQUARE ROOT OF THE MEAN OF THE SUM OF THE SQUARES OF DIFFERENCES BETWEEN ADJACENT NN INTERVALS (RMSSD) (P = 0.002) INCREASED, AND MEAN HEART RATE DECREASED (P = 0.000) FOLLOWING LONG SKY. IN FREQUENCY DOMAIN ANALYSIS, POWER OF LOW-FREQUENCY (LF) COMPONENT (P = 0.010) AND LF/HF RATIO (P = 0.008) DECREASED SIGNIFICANTLY, WHEREAS POWER OF HIGH FREQUENCY (HF) SIGNIFICANTLY INCREASED (P = 0.010). SCL DECREASED FOLLOWING LONG SKY, ALTHOUGH IT DID NOT ATTAIN STATISTICAL SIGNIFICANCE. CONCLUSIONS: THE RESULTS SUGGEST THAT LONG SKY INDUCES SIGNIFICANT OSCILLATIONS IN CARDIAC AUTONOMIC TONE. PARASYMPATHETIC ACTIVITY INCREASES AND SYMPATHETIC ACTIVITY DECREASES AND SYMPATHOVAGAL BALANCE IMPROVES FOLLOWING LONG SKY. DECREASE IN SYMPATHETIC ACTIVITY IS ALSO DEMONSTRATED BY DECREASE IN CONDUCTANCE ALTHOUGH IT DID NOT REACH STATISTICAL SIGNIFICANCE. FROM THIS STUDY IT CAN BE CONCLUDED THAT LONG SKY HAS A BENEFICIAL EFFECT ON CARDIAC AUTONOMIC TONE, AND PSYCHOPHYSIOLOGICAL RELAXATION. IT MAY SERVE AS A TOOL TO IMPROVE HRV, WHICH IS THE MARKER OF CARDIOVASCULAR HEALTH. 2017 8 2583 32 YOGA FOR HEART RATE VARIABILITY: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CLINICAL TRIALS. THE OBJECTIVE OF THIS SYSTEMATIC REVIEW IS TO SUMMARIZE AND CRITICALLY ASSESS THE EFFECTS OF YOGA ON HEART RATE VARIABILITY (HRV). NINE DATABASES WERE SEARCHED FROM THEIR INCEPTIONS TO JUNE 2014. WE INCLUDED RANDOMIZED CLINICAL TRIALS (RCTS) COMPARING YOGA AGAINST ANY TYPE OF CONTROL INTERVENTION IN HEALTHY INDIVIDUALS OR PATIENTS WITH ANY MEDICAL CONDITION. RISK OF BIAS WAS ASSESSED USING THE COCHRANE CRITERIA. TWO REVIEWERS PERFORMED THE SELECTION OF STUDIES, DATA EXTRACTION, AND QUALITY ASSESSMENTS INDEPENDENT OF ONE ANOTHER. FOURTEEN TRIALS MET THE INCLUSION CRITERIA. ONLY TWO OF THEM WERE OF ACCEPTABLE METHODOLOGICAL QUALITY. TEN RCTS REPORTED FAVOURABLE EFFECTS OF YOGA ON VARIOUS DOMAINS OF HRV, WHEREAS NINE OF THEM FAILED TO DO SO. ONE RCT DID NOT REPORT BETWEEN-GROUP COMPARISONS. THE META-ANALYSIS (MA) OF TWO TRIALS DID NOT SHOW FAVOURABLE EFFECTS OF YOGA COMPARED TO USUAL CARE ON E:I RATIO (N = 61, SMDS = 0.63; 95% CIS [-0.72 TO 1.99], P = 0.36; HETEROGENEITY: R(2) = 0.79, CHI(2) = 5.48, DF = 1, (P = 0.02); I(2) = 82%). THE MA ALSO FAILED TO SHOW STATISTICALLY SIGNIFICANT DIFFERENCES BETWEEN THE GROUPS REGARDING THE 30:15 RATIO (N = 61, SMDS = 0.20; 95% CIS [-0.43 TO 0.84], P = 0.53; HETEROGENEITY: R(2) = 0.07, CHI(2) = 1.45, DF = 1, (P = 0.23); I(2) = 31%). THE DATA FROM THE REMAINING RCTS WERE TOO HETEROGENEOUS FOR POOLING. THESE RESULTS PROVIDE NO CONVINCING EVIDENCE FOR THE EFFECTIVENESS OF YOGA IN MODULATING HRV IN PATIENTS OR HEALTHY SUBJECTS. FUTURE INVESTIGATIONS IN THIS AREA SHOULD OVERCOME THE MULTIPLE METHODOLOGICAL WEAKNESSES OF THE PREVIOUS RESEARCH. 2015 9 324 31 ANTHROPOMETRIC, BIOCHEMICAL AND CLINICAL PARAMETERS IN CLIMACTERIC YOGA PRACTITIONERS. OBJECTIVE: THIS STUDY AIMED TO EVALUATE ANTHROPOMETRIC, BIOCHEMICAL AND CLINICAL PARAMETERS IN CLIMACTERIC YOGA PRACTITIONERS. METHODS: THIS STUDY INVESTIGATED 108 CLIMACTERIC WOMEN. WE RECRUITED 28 WOMEN BETWEEN 40 AND 65 YEARS OLD WHO STARTED YOGA PRACTICES IN PREMENOPAUSE AND HAD ALREADY PRACTICED FOR AT LEAST 5 YEARS. AS CONTROLS, WE SELECTED 30 PHYSICAL ACTIVITY (PA) PRACTITIONERS WHO HAD PRACTICED FOR AT LEAST 5 YEARS AND 50 SEDENTARY WOMEN IN THE SAME AGE RANGE. WE CONDUCED ANTHROPOMETRIC, BIOCHEMICAL AND BLOOD PRESSURE MEASUREMENTS. RESULTS: THE YOGA GROUP HAD SIGNIFICANTLY LOWER FASTING BLOOD GLUCOSE THAN THE PA PRACTITIONERS AND SEDENTARY WOMEN. YOGA PRACTITIONERS ALSO HAD LOWER WEIGHT, BODY MASS INDEX, WAIST CIRCUMFERENCE, BODY FAT PERCENTAGE AND WAIST-TO-HEIGHT RATIO; HIGHER LEVELS OF HIGH-DENSITY LIPOPROTEIN CHOLESTEROL; LOWER LEVELS OF TRIGLYCERIDES, INSULIN, HOMEOSTASIS MODEL ASSESSMENT OF INSULIN RESISTANCE, URIC ACID, APOLIPOPROTEIN B AND HIGH-SENSITIVITY C-REACTIVE PROTEIN; AND LOWER FREQUENCY OF METABOLIC SYNDROME, LIPID ACCUMULATION PRODUCT, VISCERAL ADIPOSITY INDEX AND SYSTOLIC BLOOD PRESSURE THAN THE SEDENTARY WOMEN. CONCLUSION: YOGA PRACTITIONERS HAD LOWER GLUCOSE SERUM CONCENTRATIONS THAN THE PA PRACTITIONERS AND SEDENTARY WOMEN. OVERALL, THE YOGA GROUP ALSO HAD BETTER ANTHROPOMETRIC, BIOCHEMICAL AND CLINICAL VARIABLES THAN THE OTHER GROUPS. ALTHOUGH FURTHER INVESTIGATION IS REQUIRED, YOGA PRACTICE IN PREMENOPAUSE SEEMS TO BE BENEFICIAL FOR WOMEN WHEN THEY REACH MENOPAUSE. 2022 10 521 35 COMPARING YOGA, EXERCISE, AND A SELF-CARE BOOK FOR CHRONIC LOW BACK PAIN: A RANDOMIZED, CONTROLLED TRIAL. BACKGROUND: CHRONIC LOW BACK PAIN IS A COMMON PROBLEM THAT HAS ONLY MODESTLY EFFECTIVE TREATMENT OPTIONS. OBJECTIVE: TO DETERMINE WHETHER YOGA IS MORE EFFECTIVE THAN CONVENTIONAL THERAPEUTIC EXERCISE OR A SELF-CARE BOOK FOR PATIENTS WITH CHRONIC LOW BACK PAIN. DESIGN: RANDOMIZED, CONTROLLED TRIAL. SETTING: A NONPROFIT, INTEGRATED HEALTH CARE SYSTEM. PATIENTS: 101 ADULTS WITH CHRONIC LOW BACK PAIN. INTERVENTION: 12-WEEK SESSIONS OF YOGA OR CONVENTIONAL THERAPEUTIC EXERCISE CLASSES OR A SELF-CARE BOOK. MEASUREMENTS: PRIMARY OUTCOMES WERE BACK-RELATED FUNCTIONAL STATUS (MODIFIED 24-POINT ROLAND DISABILITY SCALE) AND "BOTHERSOMENESS" OF PAIN (11-POINT NUMERICAL SCALE). THE PRIMARY TIME POINT WAS 12 WEEKS. CLINICALLY SIGNIFICANT CHANGE WAS CONSIDERED TO BE 2.5 POINTS ON THE FUNCTIONAL STATUS SCALE AND 1.5 POINTS ON THE BOTHERSOMENESS SCALE. SECONDARY OUTCOMES WERE DAYS OF RESTRICTED ACTIVITY, GENERAL HEALTH STATUS, AND MEDICATION USE. RESULTS: AFTER ADJUSTMENT FOR BASELINE VALUES, BACK-RELATED FUNCTION IN THE YOGA GROUP WAS SUPERIOR TO THE BOOK AND EXERCISE GROUPS AT 12 WEEKS (YOGA VS. BOOK: MEAN DIFFERENCE, -3.4 [95% CI, -5.1 TO - 1.6] [P < 0.001]; YOGA VS. EXERCISE: MEAN DIFFERENCE, -1.8 [CI, -3.5 TO - 0.1] [P = 0.034]). NO SIGNIFICANT DIFFERENCES IN SYMPTOM BOTHERSOMENESS WERE FOUND BETWEEN ANY 2 GROUPS AT 12 WEEKS; AT 26 WEEKS, THE YOGA GROUP WAS SUPERIOR TO THE BOOK GROUP WITH RESPECT TO THIS MEASURE (MEAN DIFFERENCE, -2.2 [CI, -3.2 TO - 1.2]; P < 0.001). AT 26 WEEKS, BACK-RELATED FUNCTION IN THE YOGA GROUP WAS SUPERIOR TO THE BOOK GROUP (MEAN DIFFERENCE, -3.6 [CI, -5.4 TO - 1.8]; P < 0.001). LIMITATIONS: PARTICIPANTS IN THIS STUDY WERE FOLLOWED FOR ONLY 26 WEEKS AFTER RANDOMIZATION. ONLY 1 INSTRUCTOR DELIVERED EACH INTERVENTION. CONCLUSIONS: YOGA WAS MORE EFFECTIVE THAN A SELF-CARE BOOK FOR IMPROVING FUNCTION AND REDUCING CHRONIC LOW BACK PAIN, AND THE BENEFITS PERSISTED FOR AT LEAST SEVERAL MONTHS. 2005 11 2629 39 YOGA FOR THE PRIMARY PREVENTION OF CARDIOVASCULAR DISEASE. BACKGROUND: A SEDENTARY LIFESTYLE AND STRESS ARE MAJOR RISK FACTORS FOR CARDIOVASCULAR DISEASE (CVD). SINCE YOGA INVOLVES EXERCISE AND IS THOUGHT TO HELP IN STRESS REDUCTION IT MAY BE AN EFFECTIVE STRATEGY IN THE PRIMARY PREVENTION OF CVD. OBJECTIVES: TO DETERMINE THE EFFECT OF ANY TYPE OF YOGA ON THE PRIMARY PREVENTION OF CVD. SEARCH METHODS: WE SEARCHED THE FOLLOWING ELECTRONIC DATABASES: THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL) (2013, ISSUE 11) IN THE COCHRANE LIBRARY; MEDLINE (OVID) (1946 TO NOVEMBER WEEK 3 2013); EMBASE CLASSIC + EMBASE (OVID) (1947 TO 2013 WEEK 48); WEB OF SCIENCE (THOMSON REUTERS) (1970 TO 4 DECEMBER 2013); DATABASE OF ABSTRACTS OF REVIEWS OF EFFECTS (DARE), HEALTH TECHNOLOGY ASSESSMENT DATABASE AND HEALTH ECONOMICS EVALUATIONS DATABASE (ISSUE 4 OF 4, 2013) IN THE COCHRANE LIBRARY. WE ALSO SEARCHED A NUMBER OF ASIAN DATABASES AND THE ALLIED AND COMPLEMENTARY MEDICINE DATABASE (AMED) (INCEPTION TO DECEMBER 2012). WE SEARCHED TRIAL REGISTERS AND REFERENCE LISTS OF REVIEWS AND ARTICLES, AND APPROACHED EXPERTS IN THE FIELD. WE APPLIED NO LANGUAGE RESTRICTIONS. SELECTION CRITERIA: RANDOMISED CONTROLLED TRIALS LASTING AT LEAST THREE MONTHS INVOLVING HEALTHY ADULTS OR THOSE AT HIGH RISK OF CVD. TRIALS EXAMINED ANY TYPE OF YOGA AND THE COMPARISON GROUP WAS NO INTERVENTION OR MINIMAL INTERVENTION. OUTCOMES OF INTEREST WERE CLINICAL CVD EVENTS AND MAJOR CVD RISK FACTORS. WE DID NOT INCLUDE ANY TRIALS THAT INVOLVED MULTIFACTORIAL LIFESTYLE INTERVENTIONS OR WEIGHT LOSS. DATA COLLECTION AND ANALYSIS: TWO AUTHORS INDEPENDENTLY SELECTED TRIALS FOR INCLUSION, EXTRACTED DATA AND ASSESSED THE RISK OF BIAS. MAIN RESULTS: WE IDENTIFIED 11 TRIALS (800 PARTICIPANTS) AND TWO ONGOING STUDIES. STYLE AND DURATION OF YOGA DIFFERED BETWEEN TRIALS. HALF OF THE PARTICIPANTS RECRUITED TO THE STUDIES WERE AT HIGH RISK OF CVD. MOST OF STUDIES WERE AT RISK OF PERFORMANCE BIAS, WITH INADEQUATE DETAILS REPORTED IN MANY OF THEM TO JUDGE THE RISK OF SELECTION BIAS.NO STUDY REPORTED CARDIOVASCULAR MORTALITY, ALL-CAUSE MORTALITY OR NON-FATAL EVENTS, AND MOST STUDIES WERE SMALL AND SHORT-TERM. THERE WAS SUBSTANTIAL HETEROGENEITY BETWEEN STUDIES MAKING IT IMPOSSIBLE TO COMBINE STUDIES STATISTICALLY FOR SYSTOLIC BLOOD PRESSURE AND TOTAL CHOLESTEROL. YOGA WAS FOUND TO PRODUCE REDUCTIONS IN DIASTOLIC BLOOD PRESSURE (MEAN DIFFERENCE (MD) -2.90 MMHG, 95% CONFIDENCE INTERVAL (CI) -4.52 TO -1.28), WHICH WAS STABLE ON SENSITIVITY ANALYSIS, TRIGLYCERIDES (MD -0.27 MMOL/L, 95% CI -0.44 TO -0.11) AND HIGH-DENSITY LIPOPROTEIN (HDL) CHOLESTEROL (MD 0.08 MMOL/L, 95% CI 0.02 TO 0.14). HOWEVER, THE CONTRIBUTING STUDIES WERE SMALL, SHORT-TERM AND AT UNCLEAR OR HIGH RISK OF BIAS. THERE WAS NO CLEAR EVIDENCE OF A DIFFERENCE BETWEEN GROUPS FOR LOW-DENSITY LIPOPROTEIN (LDL) CHOLESTEROL (MD -0.09 MMOL/L, 95% CI -0.48 TO 0.30), ALTHOUGH THERE WAS MODERATE STATISTICAL HETEROGENEITY. ADVERSE EVENTS, OCCURRENCE OF TYPE 2 DIABETES AND COSTS WERE NOT REPORTED IN ANY OF THE INCLUDED STUDIES. QUALITY OF LIFE WAS MEASURED IN THREE TRIALS BUT THE RESULTS WERE INCONCLUSIVE. AUTHORS' CONCLUSIONS: THE LIMITED EVIDENCE COMES FROM SMALL, SHORT-TERM, LOW-QUALITY STUDIES. THERE IS SOME EVIDENCE THAT YOGA HAS FAVOURABLE EFFECTS ON DIASTOLIC BLOOD PRESSURE, HDL CHOLESTEROL AND TRIGLYCERIDES, AND UNCERTAIN EFFECTS ON LDL CHOLESTEROL. THESE RESULTS SHOULD BE CONSIDERED AS EXPLORATORY AND INTERPRETED WITH CAUTION. 2014 12 944 30 EFFECTS OF A 12-WEEK HATHA YOGA INTERVENTION ON METABOLIC RISK AND QUALITY OF LIFE IN HONG KONG CHINESE ADULTS WITH AND WITHOUT METABOLIC SYNDROME. OBJECTIVE: TO DETERMINE THE EFFICACY OF A 12-WEEK HATHA YOGA INTERVENTION TO IMPROVE METABOLIC RISK PROFILES AND HEALTH-RELATED QUALITY OF LIFE (HRQOL) IN CHINESE ADULTS WITH AND WITHOUT METABOLIC SYNDROME (METS). METHODS: WE CONDUCTED A CONTROLLED TRIAL WITHIN AN UNIVERSITY-AFFILIATED HOSPITAL. 173 CHINESE MEN AND WOMEN AGED 18 OR ABOVE WERE ASSIGNED TO EITHER THE YOGA INTERVENTION GROUP (N = 87) OR THE CONTROL GROUP (N = 86). PRIMARY OUTCOMES INCLUDED 12-WEEK CHANGE IN METABOLIC RISK FACTORS AND METS Z SCORE. SECONDARY OUTCOME WAS HRQOL (MEDICAL OUTCOMES SHORT FORM SURVEY AT 12 WEEKS). RESULTS: THE MEAN AGE OF PARTICIPANTS WAS 52.0 (SD 7.4, RANGE 31-71) YEARS. ANALYSIS INVOLVING THE ENTIRE STUDY POPULATION REVEALED THAT THE YOGA GROUP ACHIEVED GREATER DECLINE IN WAIST CIRCUMFERENCE (P<0.001), FASTING GLUCOSE (P<0.01), TRIGLYCERIDES (P<0.05), AND METS Z SCORE (P<0.01). YOGA TRAINING ALSO IMPROVED GENERAL HEALTH PERCEPTIONS (P<0.01), PHYSICAL COMPONENT SCORE (P<0.01), AND SOCIAL FUNCTIONING (P<0.01) DOMAINS SCORE OF HRQOL. HOWEVER, NO SIGNIFICANT DIFFERENCES BETWEEN GROUPS WERE OBSERVED IN THE MEAN CHANGE OF SYSTOLIC/DIASTOLIC BLOOD PRESSURES OR HIGH-DENSITY LIPID PROTEIN CHOLESTEROL (ALL P>0.05). THERE WERE NO SIGNIFICANT DIFFERENCES IN THE INTERVENTION EFFECTS ON WAIST CIRCUMFERENCE AND METS Z SCORE BETWEEN THE METS SUBGROUPS (BOTH P>0.05). CONCLUSION: A 12-WEEK HATHA YOGA INTERVENTION IMPROVES METABOLIC RISK PROFILES AND HRQOL IN CHINESE ADULTS WITH AND WITHOUT METS. TRIAL REGISTRATION: AUSTRALIAN NEW ZEALAND CLINICAL TRIALS REGISTRY ACTRN12613000816752. 2015 13 2829 44 YOGA VERSUS STANDARD CARE FOR SCHIZOPHRENIA. BACKGROUND: YOGA IS AN ANCIENT SPIRITUAL PRACTICE THAT ORIGINATED IN INDIA AND IS CURRENTLY ACCEPTED IN THE WESTERN WORLD AS A FORM OF RELAXATION AND EXERCISE. IT HAS BEEN OF INTEREST FOR PEOPLE WITH SCHIZOPHRENIA TO DETERMINE ITS EFFICACY AS AN ADJUNCT TO STANDARD-CARE TREATMENT. OBJECTIVES: TO EXAMINE THE EFFECTS OF YOGA VERSUS STANDARD CARE FOR PEOPLE WITH SCHIZOPHRENIA. SEARCH METHODS: WE SEARCHED THE COCHRANE SCHIZOPHRENIA GROUP TRIALS REGISTER (NOVEMBER 2012 AND JANUARY 29, 2015), WHICH IS BASED ON REGULAR SEARCHES OF MEDLINE, PUBMED, EMBASE, CINAHL, BIOSIS, AMED, PSYCINFO, AND REGISTRIES OF CLINICAL TRIALS. WE SEARCHED THE REFERENCES OF ALL INCLUDED STUDIES. THERE WERE NO LANGUAGE, DATE, DOCUMENT TYPE, OR PUBLICATION STATUS LIMITATIONS FOR INCLUSION OF RECORDS IN THE REGISTER. SELECTION CRITERIA: ALL RANDOMISED CONTROLLED TRIALS (RCTS) INCLUDING PEOPLE WITH SCHIZOPHRENIA COMPARING YOGA TO STANDARD-CARE CONTROL. DATA COLLECTION AND ANALYSIS: THE REVIEW TEAM INDEPENDENTLY SELECTED STUDIES, QUALITY RATED THESE, AND EXTRACTED DATA. FOR BINARY OUTCOMES, WE CALCULATED RISK RATIO (RR) AND ITS 95% CONFIDENCE INTERVAL (CI), ON AN INTENTION-TO-TREAT BASIS. FOR CONTINUOUS DATA, WE ESTIMATED THE MEAN DIFFERENCE (MD) BETWEEN GROUPS AND ITS 95% CI. WE EMPLOYED MIXED-EFFECT AND FIXED-EFFECT MODELS FOR ANALYSES. WE EXAMINED DATA FOR HETEROGENEITY (I(2) TECHNIQUE), ASSESSED RISK OF BIAS FOR INCLUDED STUDIES, AND CREATED 'SUMMARY OF FINDINGS' TABLES USING GRADE (GRADING OF RECOMMENDATIONS ASSESSMENT, DEVELOPMENT AND EVALUATION). MAIN RESULTS: WE INCLUDED EIGHT STUDIES IN THE REVIEW. ALL OUTCOMES WERE SHORT TERM (LESS THAN SIX MONTHS). THERE WERE CLEAR DIFFERENCES IN A NUMBER OF OUTCOMES IN FAVOUR OF THE YOGA GROUP, ALTHOUGH THESE WERE BASED ON ONE STUDY EACH, WITH THE EXCEPTION OF LEAVING THE STUDY EARLY. THESE INCLUDED MENTAL STATE (IMPROVEMENT IN POSITIVE AND NEGATIVE SYNDROME SCALE, 1 RCT, N = 83, RR 0.70 CI 0.55 TO 0.88, MEDIUM-QUALITY EVIDENCE), SOCIAL FUNCTIONING (IMPROVEMENT IN SOCIAL OCCUPATIONAL FUNCTIONING SCALE, 1 RCT, N = 83, RR 0.88 CI 0.77 TO 1, MEDIUM-QUALITY EVIDENCE), QUALITY OF LIFE (AVERAGE CHANGE 36-ITEM SHORT FORM SURVEY (SF-36) QUALITY-OF-LIFE SUBSCALE, 1 RCT, N = 60, MD 15.50, 95% CI 4.27 TO 26.73, LOW-QUALITY EVIDENCE), AND LEAVING THE STUDY EARLY (8 RCTS, N = 457, RR 0.91 CI 0.6 TO 1.37, MEDIUM-QUALITY EVIDENCE). FOR THE OUTCOME OF PHYSICAL HEALTH, THERE WAS NOT A CLEAR DIFFERENCE BETWEEN GROUPS (AVERAGE CHANGE SF-36 PHYSICAL-HEALTH SUBSCALE, 1 RCT, N = 60, MD 6.60, 95% CI -2.44 TO 15.64, LOW-QUALITY EVIDENCE). ONLY ONE STUDY REPORTED ADVERSE EFFECTS, FINDING NO INCIDENCE OF ADVERSE EVENTS IN EITHER TREATMENT GROUP. THIS REVIEW WAS SUBJECT TO A CONSIDERABLE NUMBER OF MISSING OUTCOMES, WHICH INCLUDED GLOBAL STATE, CHANGE IN COGNITION, COSTS OF CARE, EFFECT ON STANDARD CARE, SERVICE INTERVENTION, DISABILITY, AND ACTIVITIES OF DAILY LIVING. AUTHORS' CONCLUSIONS: EVEN THOUGH WE FOUND SOME POSITIVE EVIDENCE IN FAVOUR OF YOGA OVER STANDARD-CARE CONTROL, THIS SHOULD BE INTERPRETED CAUTIOUSLY IN VIEW OF OUTCOMES LARGELY BASED EACH ON ONE STUDY WITH LIMITED SAMPLE SIZES AND SHORT-TERM FOLLOW-UP. OVERALL, MANY OUTCOMES WERE NOT REPORTED AND EVIDENCE PRESENTED IN THIS REVIEW IS OF LOW TO MODERATE QUALITY - -TOO WEAK TO INDICATE THAT YOGA IS SUPERIOR TO STANDARD-CARE CONTROL FOR THE MANAGEMENT OF SCHIZOPHRENIA. 2015 14 2594 30 YOGA FOR METABOLIC SYNDROME: A SYSTEMATIC REVIEW AND META-ANALYSIS. BACKGROUND METABOLIC SYNDROME IS THE MOST IMPORTANT RISK FACTOR FOR DEVELOPING CARDIOVASCULAR DISEASE AND TYPE 2 DIABETES. THE AIM OF THIS REVIEW WAS TO SYSTEMATICALLY ASSESS AND PERFORM A META-ANALYSIS OF THE EFFECTS OF YOGA ON THE PARAMETERS OF METABOLIC SYNDROME. METHODS MEDLINE/PUBMED, SCOPUS, THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS AND INDMED WERE SEARCHED AND SCREENED FROM THEIR INCEPTION THROUGH TO 8 MARCH 2016 FOR RANDOMISED CONTROLLED TRIALS ON YOGA FOR PATIENTS WITH METABOLIC SYNDROME. RISK OF BIAS WAS ASSESSED USING THE COCHRANE RISK OF BIAS TOOL. RESULTS SEVEN TRIALS WITH A TOTAL OF 794 PARTICIPANTS WERE INCLUDED. NO EFFECTS OF YOGA ON RESOLUTION OF METABOLIC SYNDROME, DIASTOLIC BLOOD PRESSURE, TRIGLYCERIDES, HIGH-DENSITY LIPOPROTEIN CHOLESTEROL AND FASTING PLASMA GLUCOSE WERE FOUND, BUT YOGA WAS SUPERIOR TO USUAL CARE FOR WAIST CIRCUMFERENCE (STANDARDISED MEAN DIFFERENCE (SMD) = -0.35; 95% CONFIDENCE INTERVAL (CI) = -0.57 TO -0.13; P < 0.01) AND SYSTOLIC BLOOD PRESSURE (SMD = -0.29; 95% CI = -0.51 TO -0.07; P = 0.01). HOWEVER, THESE EFFECTS WERE NOT ROBUST AGAINST SELECTION BIAS. NO INTERVENTION-RELATED ADVERSE EVENTS WERE REPORTED. CONCLUSION BASED ON THE RESULTS OF THIS META-ANALYSIS, NO RECOMMENDATION CAN BE MADE FOR OR AGAINST YOGA IN ORDER TO INFLUENCE THE PARAMETERS OF METABOLIC SYNDROME. DESPITE METHODOLOGICAL DRAWBACKS, AND UNTIL FURTHER RESEARCH IS UNDERTAKEN, YOGA CAN BE PRELIMINARILY CONSIDERED AS A SAFE AND EFFECTIVE INTERVENTION FOR REDUCING WAIST CIRCUMFERENCE AND SYSTOLIC BLOOD PRESSURE IN INDIVIDUALS WITH METABOLIC SYNDROME WHO ARE NOT ADHERING TO CONVENTIONAL FORMS OF EXERCISE. 2016 15 247 34 A YOGA INTERVENTION FOR TYPE 2 DIABETES RISK REDUCTION: A PILOT RANDOMIZED CONTROLLED TRIAL. BACKGROUND: TYPE 2 DIABETES IS A MAJOR HEALTH PROBLEM IN MANY COUNTRIES INCLUDING INDIA. YOGA MAY BE AN EFFECTIVE TYPE 2 DIABETES PREVENTION STRATEGY IN INDIA, PARTICULARLY GIVEN ITS CULTURAL FAMILIARITY. METHODS: THIS WAS A PARALLEL, RANDOMIZED CONTROLLED PILOT STUDY TO COLLECT FEASIBILITY AND PRELIMINARY EFFICACY DATA ON YOGA FOR DIABETES RISK FACTORS AMONG PEOPLE AT HIGH RISK OF DIABETES. PRIMARY OUTCOMES INCLUDED: CHANGES IN BMI, WAIST CIRCUMFERENCE, FASTING BLOOD GLUCOSE, POSTPRANDIAL BLOOD GLUCOSE, INSULIN, INSULIN RESISTANCE, BLOOD PRESSURE, AND CHOLESTEROL. WE ALSO LOOKED AT MEASURES OF PSYCHOLOGICAL WELL-BEING INCLUDING CHANGES IN DEPRESSION, ANXIETY, POSITIVE AND NEGATIVE AFFECT AND PERCEIVED STRESS. FORTY-ONE PARTICIPANTS WITH ELEVATED FASTING BLOOD GLUCOSE IN BANGALORE, INDIA WERE RANDOMIZED TO EITHER YOGA (N = 21) OR A WALKING CONTROL (N = 20). PARTICIPANTS WERE ASKED TO EITHER ATTEND YOGA CLASSES OR COMPLETE MONITORED WALKING 3-6 DAYS PER WEEK FOR EIGHT WEEKS. RANDOMIZATION AND ALLOCATION WAS PERFORMED USING COMPUTER-GENERATED RANDOM NUMBERS AND GROUP ASSIGNMENTS DELIVERED IN SEALED, OPAQUE ENVELOPES GENERATED BY OFF-SITE STUDY STAFF. DATA WERE ANALYZED BASED ON INTENTION TO TREAT. RESULTS: THIS STUDY WAS FEASIBLE IN TERMS OF RECRUITMENT, RETENTION AND ADHERENCE. IN ADDITION, YOGA PARTICIPANTS HAD SIGNIFICANTLY GREATER REDUCTIONS IN WEIGHT, WAIST CIRCUMFERENCE AND BMI VERSUS CONTROL (WEIGHT -0.8 +/- 2.1 VS. 1.4 +/- 3.6, P = 0.02; WAIST CIRCUMFERENCE -4.2 +/- 4.8 VS. 0.7 +/- 4.2, P < 0.01; BMI -0.2 +/- 0.8 VS. 0.6 +/- 1.6, P = 0.05). THERE WERE NO BETWEEN GROUP DIFFERENCES IN FASTING BLOOD GLUCOSE, POSTPRANDIAL BLOOD GLUCOSE, INSULIN RESISTANCE OR ANY OTHER FACTORS RELATED TO DIABETES RISK OR PSYCHOLOGICAL WELL-BEING. THERE WERE SIGNIFICANT REDUCTIONS IN SYSTOLIC AND DIASTOLIC BLOOD PRESSURE, TOTAL CHOLESTEROL, ANXIETY, DEPRESSION, NEGATIVE AFFECT AND PERCEIVED STRESS IN BOTH THE YOGA INTERVENTION AND WALKING CONTROL OVER THE COURSE OF THE STUDY. CONCLUSION: AMONG INDIANS WITH ELEVATED FASTING BLOOD GLUCOSE, WE FOUND THAT PARTICIPATION IN AN 8-WEEK YOGA INTERVENTION WAS FEASIBLE AND RESULTED IN GREATER WEIGHT LOSS AND REDUCTION IN WAIST CIRCUMFERENCE WHEN COMPARED TO A WALKING CONTROL. YOGA OFFERS A PROMISING LIFESTYLE INTERVENTION FOR DECREASING WEIGHT-RELATED TYPE 2 DIABETES RISK FACTORS AND POTENTIALLY INCREASING PSYCHOLOGICAL WELL-BEING. TRIAL REGISTRATION: CLINICALTRIALS.GOV IDENTIFIED NCT00090506. 2014 16 2543 51 YOGA FOR ASTHMA. BACKGROUND: ASTHMA IS A COMMON CHRONIC INFLAMMATORY DISORDER AFFECTING ABOUT 300 MILLION PEOPLE WORLDWIDE. AS A HOLISTIC THERAPY, YOGA HAS THE POTENTIAL TO RELIEVE BOTH THE PHYSICAL AND PSYCHOLOGICAL SUFFERING OF PEOPLE WITH ASTHMA, AND ITS POPULARITY HAS EXPANDED GLOBALLY. A NUMBER OF CLINICAL TRIALS HAVE BEEN CARRIED OUT TO EVALUATE THE EFFECTS OF YOGA PRACTICE, WITH INCONSISTENT RESULTS. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA IN PEOPLE WITH ASTHMA. SEARCH METHODS: WE SYSTEMATICALLY SEARCHED THE COCHRANE AIRWAYS GROUP REGISTER OF TRIALS, WHICH IS DERIVED FROM SYSTEMATIC SEARCHES OF BIBLIOGRAPHIC DATABASES INCLUDING THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL), MEDLINE, EMBASE, CINAHL, AMED, AND PSYCINFO, AND HANDSEARCHING OF RESPIRATORY JOURNALS AND MEETING ABSTRACTS. WE ALSO SEARCHED PEDRO. WE SEARCHED CLINICALTRIALS.GOV AND THE WHO ICTRP SEARCH PORTAL. WE SEARCHED ALL DATABASES FROM THEIR INCEPTION TO 22 JULY 2015, AND USED NO RESTRICTION ON LANGUAGE OF PUBLICATION. WE CHECKED THE REFERENCE LISTS OF ELIGIBLE STUDIES AND RELEVANT REVIEW ARTICLES FOR ADDITIONAL STUDIES. WE ATTEMPTED TO CONTACT INVESTIGATORS OF ELIGIBLE STUDIES AND EXPERTS IN THE FIELD TO LEARN OF OTHER PUBLISHED AND UNPUBLISHED STUDIES. SELECTION CRITERIA: WE INCLUDED RANDOMISED CONTROLLED TRIALS (RCTS) THAT COMPARED YOGA WITH USUAL CARE (OR NO INTERVENTION) OR SHAM INTERVENTION IN PEOPLE WITH ASTHMA AND REPORTED AT LEAST ONE OF THE FOLLOWING OUTCOMES: QUALITY OF LIFE, ASTHMA SYMPTOM SCORE, ASTHMA CONTROL, LUNG FUNCTION MEASURES, ASTHMA MEDICATION USAGE, AND ADVERSE EVENTS. DATA COLLECTION AND ANALYSIS: WE EXTRACTED BIBLIOGRAPHIC INFORMATION, CHARACTERISTICS OF PARTICIPANTS, CHARACTERISTICS OF INTERVENTIONS AND CONTROLS, CHARACTERISTICS OF METHODOLOGY, AND RESULTS FOR THE OUTCOMES OF OUR INTEREST FROM ELIGIBLE STUDIES. FOR CONTINUOUS OUTCOMES, WE USED MEAN DIFFERENCE (MD) WITH 95% CONFIDENCE INTERVAL (CI) TO DENOTE THE TREATMENT EFFECTS, IF THE OUTCOMES WERE MEASURED BY THE SAME SCALE ACROSS STUDIES. ALTERNATIVELY, IF THE OUTCOMES WERE MEASURED BY DIFFERENT SCALES ACROSS STUDIES, WE USED STANDARDISED MEAN DIFFERENCE (SMD) WITH 95% CI. FOR DICHOTOMOUS OUTCOMES, WE USED RISK RATIO (RR) WITH 95% CI TO MEASURE THE TREATMENT EFFECTS. WE PERFORMED META-ANALYSIS WITH REVIEW MANAGER 5.3. WE USED THE FIXED-EFFECT MODEL TO POOL THE DATA, UNLESS THERE WAS SUBSTANTIAL HETEROGENEITY AMONG STUDIES, IN WHICH CASE WE USED THE RANDOM-EFFECTS MODEL INSTEAD. FOR OUTCOMES INAPPROPRIATE OR IMPOSSIBLE TO POOL QUANTITATIVELY, WE CONDUCTED A DESCRIPTIVE ANALYSIS AND SUMMARISED THE FINDINGS NARRATIVELY. MAIN RESULTS: WE INCLUDED 15 RCTS WITH A TOTAL OF 1048 PARTICIPANTS. MOST OF THE TRIALS WERE CONDUCTED IN INDIA, FOLLOWED BY EUROPE AND THE UNITED STATES. THE MAJORITY OF PARTICIPANTS WERE ADULTS OF BOTH SEXES WITH MILD TO MODERATE ASTHMA FOR SIX MONTHS TO MORE THAN 23 YEARS. FIVE STUDIES INCLUDED YOGA BREATHING ALONE, WHILE THE OTHER STUDIES ASSESSED YOGA INTERVENTIONS THAT INCLUDED BREATHING, POSTURE, AND MEDITATION. INTERVENTIONS LASTED FROM TWO WEEKS TO 54 MONTHS, FOR NO MORE THAN SIX MONTHS IN THE MAJORITY OF STUDIES. THE RISK OF BIAS WAS LOW ACROSS ALL DOMAINS IN ONE STUDY AND UNCLEAR OR HIGH IN AT LEAST ONE DOMAIN FOR THE REMAINDER.THERE WAS SOME EVIDENCE THAT YOGA MAY IMPROVE QUALITY OF LIFE (MD IN ASTHMA QUALITY OF LIFE QUESTIONNAIRE (AQLQ) SCORE PER ITEM 0.57 UNITS ON A 7-POINT SCALE, 95% CI 0.37 TO 0.77; 5 STUDIES; 375 PARTICIPANTS), IMPROVE SYMPTOMS (SMD 0.37, 95% CI 0.09 TO 0.65; 3 STUDIES; 243 PARTICIPANTS), AND REDUCE MEDICATION USAGE (RR 5.35, 95% CI 1.29 TO 22.11; 2 STUDIES) IN PEOPLE WITH ASTHMA. THE MD FOR AQLQ SCORE EXCEEDED THE MINIMAL CLINICALLY IMPORTANT DIFFERENCE (MCID) OF 0.5, BUT WHETHER THE MEAN CHANGES EXCEEDED THE MCID FOR ASTHMA SYMPTOMS IS UNCERTAIN DUE TO THE LACK OF AN ESTABLISHED MCID IN THE SEVERITY SCORES USED IN THE INCLUDED STUDIES. THE EFFECTS OF YOGA ON CHANGE FROM BASELINE FORCED EXPIRATORY VOLUME IN ONE SECOND (MD 0.04 LITRES, 95% CI -0.10 TO 0.19; 7 STUDIES; 340 PARTICIPANTS; I(2) = 68%) WERE NOT STATISTICALLY SIGNIFICANT. TWO STUDIES INDICATED IMPROVED ASTHMA CONTROL, BUT DUE TO VERY SIGNIFICANT HETEROGENEITY (I(2) = 98%) WE DID NOT POOL DATA. NO SERIOUS ADVERSE EVENTS ASSOCIATED WITH YOGA WERE REPORTED, BUT THE DATA ON THIS OUTCOME WAS LIMITED. AUTHORS' CONCLUSIONS: WE FOUND MODERATE-QUALITY EVIDENCE THAT YOGA PROBABLY LEADS TO SMALL IMPROVEMENTS IN QUALITY OF LIFE AND SYMPTOMS IN PEOPLE WITH ASTHMA. THERE IS MORE UNCERTAINTY ABOUT POTENTIAL ADVERSE EFFECTS OF YOGA AND ITS IMPACT ON LUNG FUNCTION AND MEDICATION USAGE. RCTS WITH A LARGE SAMPLE SIZE AND HIGH METHODOLOGICAL AND REPORTING QUALITY ARE NEEDED TO CONFIRM THE EFFECTS OF YOGA FOR ASTHMA. 2016 17 881 33 EFFECT OF YOGA TRAINING ON INFLAMMATORY CYTOKINES AND C-REACTIVE PROTEIN IN EMPLOYEES OF SMALL-SCALE INDUSTRIES. OBJECTIVE: THE PRESENT STUDY INTENDS TO SEE THE EFFECT OF YOGA PRACTICES ON LIPID PROFILE, INTERLEUKIN (IL)-6, TUMOR NECROSIS FACTOR (TNF)-ALPHA, AND HIGH-SENSITIVITY-C-REACTIVE PROTEIN (HS-CRP) AMONG APPARENTLY HEALTHY ADULTS EXPOSED TO OCCUPATIONAL HAZARDS. MATERIALS AND METHODS: IN THE PRESENT STUDY, 48 PARTICIPANTS AGED 30-58 YEARS (41.5 +/- 5.2) WHO WERE EXPOSED TO OCCUPATIONAL HAZARDS WERE RANDOMIZED INTO TWO GROUPS, THAT IS, EXPERIMENTAL AND WAIT-LIST CONTROL. ALL THE PARTICIPANTS WERE ASSESSED FOR LIPID PROFILE, IL-6, TNF-ALPHA, AND HS-CRP AT THE BASELINE AND AFTER COMPLETION OF 3 MONTHS OF YOGA TRAINING INTERVENTION. THE EXPERIMENTAL GROUP UNDERWENT YOGA TRAINING INTERVENTION FOR 1 H FOR 6 DAYS A WEEK FOR 3 MONTHS, WHEREAS CONTROL GROUP CONTINUED WITH THEIR DAILY ACTIVITIES EXCEPT YOGA TRAINING. DATA ANALYSIS WAS DONE USING STATISTICAL SOFTWARE SPSS VERSION 20.0. DATA WERE ANALYZED USING PAIRED T-TESTS AND INDEPENDENT T-TEST. RESULTS: THE RESULTS OF WITHIN GROUP COMPARISON REVEALED HIGHLY SIGNIFICANT CHANGES IN CHOLESTEROL (P < 0.001), HIGH-DENSITY LIPOPROTEIN (P < 0.001), LOW-DENSITY LIPOPROTEIN (LDL)(P < 0.01), HS-CRP (P < 0.01), IL-6 (P < 0.001), AND TNF-ALPHA (P < 0.001) IN EXPERIMENTAL GROUP. COMPARISON BETWEEN EXPERIMENTAL AND CONTROL GROUP REVEALED SIGNIFICANT CHANGES IN CHOLESTEROL (P < 0.01), LDL (P < 0.05), IL-6 (P < 0.01), TNF-ALPHA (P < 0.01), AND HS-CRP (P < 0.01). CONCLUSION: A YOGA-BASED LIFESTYLE INTERVENTION SEEMS TO BE A HIGHLY PROMISING ALTERNATIVE THERAPY WHICH FAVORABLY ALTERS INFLAMMATORY MARKERS AND METABOLIC RISK FACTORS. 2017 18 692 23 EFFECT OF COMMUNITY-BASED YOGA INTERVENTION ON OXIDATIVE STRESS AND GLYCEMIC PARAMETERS IN PREDIABETES: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: TO STUDY THE EFFECTIVENESS OF YOGA INTERVENTION ON OXIDATIVE STRESS, GLYCEMIC STATUS, BLOOD PRESSURE AND ANTHROPOMETRY IN PREDIABETES. DESIGN: RANDOMIZED-CONTROLLED TRIAL. PARTICIPANTS: TWENTY NINE PREDIABETES SUBJECTS AGED 30-75 YEARS. SETTING: YOGA WAS CONDUCTED AT 4 DIFFERENT COMMUNITY DIABETES CLINICS IN MANGALORE, INDIA. INTERVENTIONS: PARTICIPANTS WERE RANDOMIZED TO EITHER 3-MONTH YOGA OR WAIT-LIST CONTROL GROUPS. MAIN OUTCOME MEASURES: MALONDIALDEHYDE, GLUTATHIONE, VITAMIN C, VITAMIN E, SUPEROXIDE DISMUTASE, PLASMA GLUCOSE, GLYCATED HAEMOGLOBIN, BMI, WAIST CIRCUMFERENCE, WAIST-TO-HIP RATIO AND BLOOD PRESSURE. RESULTS: YOGA INTERVENTION RESULTED IN A SIGNIFICANT DECLINE IN MALONDIALDEHYDE (P<0.001), RELATIVE TO THE CONTROL GROUP. IN COMPARISON WITH THE CONTROL, THERE WAS A SIGNIFICANT IMPROVEMENT IN BMI, WAIST CIRCUMFERENCE, SYSTOLIC BLOOD PRESSURE AND FASTING GLUCOSE LEVELS AT FOLLOW-UP. NO SIGNIFICANT IMPROVEMENT IN GLYCATED HAEMOGLOBIN, WAIST-TO-HIP RATIO OR ANY OF THE ANTIOXIDANTS WAS OBSERVED. CONCLUSIONS: YOGA INTERVENTION MAY BE HELPFUL IN CONTROL OF OXIDATIVE STRESS IN PREDIABETES SUBJECTS. YOGA CAN ALSO BE BENEFICIAL IN REDUCTION IN BMI, WAIST CIRCUMFERENCE, SYSTOLIC BLOOD PRESSURE AND FASTING GLUCOSE. EFFECT OF YOGA ON ANTIOXIDANT PARAMETERS WAS NOT EVIDENT IN THIS STUDY. THE FINDINGS OF THIS STUDY NEED TO BE CONFIRMED IN LARGER TRIALS INVOLVING ACTIVE CONTROL GROUPS. 2013 19 1898 27 RESTORATIVE YOGA AND METABOLIC RISK FACTORS: THE PRACTICING RESTORATIVE YOGA VS. STRETCHING FOR THE METABOLIC SYNDROME (PRYSMS) RANDOMIZED TRIAL. 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. 2014 20 871 46 EFFECT OF YOGA THERAPY ON DISEASE ACTIVITY, INFLAMMATORY MARKERS, AND HEART RATE VARIABILITY IN PATIENTS WITH RHEUMATOID ARTHRITIS. BACKGROUND: RHEUMATOID ARTHRITIS (RA) IS AN IMMUNE-MEDIATED INFLAMMATORY DISEASE. ANTIRHEUMATOID TREATMENT REDUCES DISEASE ACTIVITY AND INFLAMMATION, BUT NOT ALL PATIENTS RESPOND TO TREATMENT. AUTONOMIC DYSFUNCTION IS COMMON IN RA LEADING TO FREQUENT CARDIOVASCULAR COMPLICATIONS. YOGA THERAPY MAY BE USEFUL IN THESE PATIENTS, BUT THERE ARE LITTLE DATA ON THE EFFECT OF YOGA ON DISEASE ACTIVITY, INFLAMMATORY MARKERS, AND HEART RATE VARIABILITY (HRV). OBJECTIVES: THIS STUDY ASSESSED THE EFFECT OF 12-WEEK YOGA THERAPY ON DISEASE ACTIVITY, INFLAMMATORY MARKERS, AND HRV IN PATIENTS WITH RA. MATERIALS AND METHODS: THIS RANDOMIZED CONTROL TRIAL WAS CONDUCTED ON NEWLY DIAGNOSED RA PATIENTS ATTENDING OUTPATIENT SERVICES AT THE DEPARTMENT OF CLINICAL IMMUNOLOGY, JIPMER. ONE HUNDRED AND SIXTY-SIX PARTICIPANTS WERE RANDOMIZED INTO TWO GROUPS: THE CONTROL GROUP (CG) (N = 83) AND YOGA GROUP (YG) (N = 83). YOGA THERAPY WAS ADMINISTERED TO PARTICIPANTS IN THE YG FOR 12 WEEKS, ALONG WITH STANDARD MEDICAL TREATMENT. THE CG RECEIVED ONLY STANDARD MEDICAL TREATMENT. PRIMARY OUTCOMES WERE DISEASE ACTIVITY SCORE 28, INTERLEUKIN-1ALPHA (IL-1ALPHA), IL-6, TUMOR NECROSIS FACTOR-ALPHA (TNF-ALPHA), CORTISOL, AND HRV PARAMETERS. ALL PARAMETERS WERE MEASURED AT BASELINE AND AFTER 12 WEEKS. RESULTS: DISEASE ACTIVITY SIGNIFICANTLY DECREASED IN BOTH GROUPS AFTER 12 WEEKS, BUT IT WAS REDUCED MORE IN YG, WHICH WAS STATISTICALLY SIGNIFICANT (P < 0.05). IN BOTH YG AND CG, IL-1ALPHA, IL-6, TNF-ALPHA, AND CORTISOL DECREASED AFTER 12 WEEKS, BUT IL-1ALPHA AND CORTISOL DECREASED MORE SIGNIFICANTLY IN YG THAN IN CG. LOW-FREQUENCY COMPONENT EXPRESSED AS NORMALIZED UNIT (LFNU) AND THE LOW-FREQUENCY/HIGH-FREQUENCY (LF-HF) RATIO DECREASED SIGNIFICANTLY, AND TOTAL POWER AND HF COMPONENT EXPRESSED AS NORMALIZED UNIT (HFNU) INCREASED SIGNIFICANTLY IN THE YG COMPARED WITH CG. CONCLUSION: TWELVE-WEEK YOGA THERAPY, IF GIVEN ALONG WITH STANDARD MEDICAL TREATMENT, SIGNIFICANTLY REDUCES DISEASE ACTIVITY AND IMPROVES SYMPATHOVAGAL BALANCE IN RA PATIENTS. 2020