1 50 122 A COMPARATIVE CONTROLLED TRIAL COMPARING THE EFFECTS OF YOGA AND WALKING FOR OVERWEIGHT AND OBESE ADULTS. BACKGROUND: WALKING AND YOGA HAVE BEEN INDEPENDENTLY EVALUATED FOR WEIGHT CONTROL; HOWEVER, THERE ARE VERY FEW STUDIES COMPARING THE 2 WITH RANDOMIZATION. MATERIAL AND METHODS: THE PRESENT STUDY COMPARED THE EFFECTS OF 90 MINUTES/DAY FOR 15 DAYS OF SUPERVISED YOGA OR SUPERVISED WALKING ON: (I) RELATED BIOCHEMISTRY, (II) ANTHROPOMETRIC VARIABLES, (III) BODY COMPOSITION, (IV) POSTURAL STABILITY, AND (V) BILATERAL HAND GRIP STRENGTH IN OVERWEIGHT AND OBESE PERSONS. SIXTY-EIGHT PARTICIPANTS, OF WHOM 5 WERE OVERWEIGHT (BMI >/=25 KG/M2) AND 63 WERE OBESE (BMI >/=30 KG/M2; GROUP MEAN AGE +/-S.D., 36.4+/-11.2 YEARS; 35 FEMALES), WERE RANDOMIZED AS 2 GROUPS - (I) A YOGA GROUP AND (II) A WALKING GROUP - GIVEN THE SAME DIET. RESULTS: ALL DIFFERENCES WERE PRE-POST CHANGES WITHIN EACH GROUP. BOTH GROUPS SHOWED A SIGNIFICANT (P<0.05; REPEATED MEASURES ANOVA, POST-HOC ANALYSES) DECREASE IN: BMI, WAIST CIRCUMFERENCE, HIP CIRCUMFERENCE, LEAN MASS, BODY WATER, AND TOTAL CHOLESTEROL. THE YOGA GROUP INCREASED SERUM LEPTIN (P<0.01) AND DECREASED LDL CHOLESTEROL (P<0.05). THE WALKING GROUP DECREASED SERUM ADIPONECTIN (P<0.05) AND TRIGLYCERIDES (P<0.05). CONCLUSIONS: BOTH YOGA AND WALKING IMPROVED ANTHROPOMETRIC VARIABLES AND SERUM LIPID PROFILE IN OVERWEIGHT AND OBESE PERSONS. THE POSSIBLE IMPLICATIONS ARE DISCUSSED. 2014 2 674 39 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 3 1063 26 EFFECTS OF YOGA ON HEART RATE VARIABILITY AND MOOD IN WOMEN: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVE: TO EXAMINE THE EFFECTS OF AN 8-WEEK YOGA PROGRAM ON HEART RATE VARIABILITY AND MOOD IN GENERALLY HEALTHY WOMEN. DESIGN: RANDOMIZED CONTROLLED TRIAL. PARTICIPANTS: FIFTY-TWO HEALTHY WOMEN WERE RANDOMLY ASSIGNED TO A YOGA GROUP OR A CONTROL GROUP. INTERVENTIONS: PARTICIPANTS IN THE YOGA GROUP COMPLETED AN 8-WEEK YOGA PROGRAM, WHICH COMPRISED A 60-MINUTE SESSION TWICE A WEEK. EACH SESSION CONSISTED OF BREATHING EXERCISES, YOGA POSE PRACTICE, AND SUPINE MEDITATION/RELAXATION. THE CONTROL GROUP WAS INSTRUCTED NOT TO ENGAGE IN ANY YOGA PRACTICE AND TO MAINTAIN THEIR USUAL LEVEL OF PHYSICAL ACTIVITY DURING THE STUDY. OUTCOME MEASURES: PARTICIPANTS' HEART RATE VARIABILITY, PERCEIVED STRESS, DEPRESSIVE SYMPTOMS, AND STATE AND TRAIT ANXIETY WERE ASSESSED AT BASELINE (WEEK 0) AND AFTER THE INTERVENTION (WEEK 9). RESULTS: NO MEASURES OF HEART RATE VARIABILITY CHANGED SIGNIFICANTLY IN EITHER THE YOGA OR CONTROL GROUP AFTER INTERVENTION. STATE ANXIETY WAS REDUCED SIGNIFICANTLY IN THE YOGA GROUP BUT NOT IN THE CONTROL GROUP. NO SIGNIFICANT CHANGES WERE NOTED IN PERCEIVED STRESS, DEPRESSION, OR TRAIT ANXIETY IN EITHER GROUP. CONCLUSIONS: AN 8-WEEK YOGA PROGRAM WAS NOT SUFFICIENT TO IMPROVE HEART RATE VARIABILITY. HOWEVER, SUCH A PROGRAM APPEARS TO BE EFFECTIVE IN REDUCING STATE ANXIETY IN GENERALLY HEALTHY WOMEN. FUTURE RESEARCH SHOULD INVOLVE LONGER PERIODS OF YOGA TRAINING, INCLUDE HEART RATE VARIABILITY MEASURES BOTH AT REST AND DURING YOGA PRACTICE, AND ENROLL WOMEN WITH HIGHER LEVELS OF STRESS AND TRAIT ANXIETY. 2015 4 1318 44 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 5 324 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 6 1062 25 EFFECTS OF YOGA ON HEART RATE VARIABILITY AND DEPRESSIVE SYMPTOMS IN WOMEN: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: THE PURPOSE OF THE STUDY WAS TO INVESTIGATE THE EFFECTS OF A 12-WEEK YOGA PROGRAM ON HEART RATE VARIABILITY (HRV) AND DEPRESSIVE SYMPTOMS IN DEPRESSED WOMEN. METHODS: THIS WAS A RANDOMIZED CONTROLLED TRIAL. TWENTY-SIX SEDENTARY WOMEN SCORING >/=14 ON THE BECK DEPRESSION INVENTORY-II WERE RANDOMIZED TO EITHER THE YOGA OR THE CONTROL GROUP. THE YOGA GROUP COMPLETED A 12-WEEK YOGA PROGRAM, WHICH TOOK PLACE TWICE A WEEK FOR 60 MIN PER SESSION AND CONSISTED OF BREATHING EXERCISES, YOGA POSE PRACTICE, AND SUPINE MEDITATION/RELAXATION. THE CONTROL GROUP WAS INSTRUCTED NOT TO ENGAGE IN ANY YOGA PRACTICE AND TO MAINTAIN THEIR USUAL LEVEL OF PHYSICAL ACTIVITY DURING THE COURSE OF THE STUDY. PARTICIPANTS' HRV, DEPRESSIVE SYMPTOMS, AND PERCEIVED STRESS WERE ASSESSED AT BASELINE AND POST-TEST. RESULTS: THE YOGA GROUP HAD A SIGNIFICANT INCREASE IN HIGH-FREQUENCY HRV AND DECREASES IN LOW-FREQUENCY HRV AND LOW FREQUENCY/HIGH FREQUENCY RATIO AFTER THE INTERVENTION. THE YOGA GROUP ALSO REPORTED SIGNIFICANTLY REDUCED DEPRESSIVE SYMPTOMS AND PERCEIVED STRESS. NO CHANGE WAS FOUND IN THE CONTROL GROUP. CONCLUSIONS: A 12-WEEK YOGA PROGRAM WAS EFFECTIVE IN INCREASING PARASYMPATHETIC TONE AND REDUCING DEPRESSIVE SYMPTOMS AND PERCEIVED STRESS IN WOMEN WITH ELEVATED DEPRESSIVE SYMPTOMS. REGULAR YOGA PRACTICE MAY BE RECOMMENDED FOR WOMEN TO COPE WITH THEIR DEPRESSIVE SYMPTOMS AND STRESS AND TO IMPROVE THEIR HRV. 2017 7 2119 26 THE EFFECT OF YOGA THERAPY ON SELECTED PSYCHOLOGICAL VARIABLES AMONG MALE PATIENTS WITH INSOMNIA. BACKGROUND: AN ESTIMATED 30-50% OF THE GENERAL POPULATION IS AFFECTED BY INSOMNIA AND 10% HAVE CHRONIC INSOMNIA. YOGA THERAPY IS BENEFICIAL IN SUCH DISORDERS AND IT HAS FEWER SIDE EFFECTS. AIM: THE AIM OF THIS STUDY WAS TO FIND OUT THE EFFECT OF YOGA THERAPY ON SELECTED PSYCHOLOGICAL VARIABLES AMONG MEN WITH INSOMNIA. METHODS: FORTY MALES WITH INSOMNIA WERE DIVIDED RANDOMLY INTO 2 GROUPS (THE EXPERIMENTAL AND THE CONTROL GROUPS). THE EXPERIMENTAL GROUP RECEIVED EIGHT WEEKS OF YOGA THERAPY, WHILE THE CONTROL GROUP DID NOT RECEIVE ANY THERAPY. THE PRE AND POST TREATMENT STRESS AND THE SELF CONFIDENCE SCORES WERE TAKEN. RESULTS: THERE WAS A SIGNIFICANT IMPROVEMENT IN THE STRESS SCORES AND THE SELF CONFIDENCE SCORES IN THE EXPERIMENTAL GROUP. THERE WERE NEITHER ANY SIDE EFFECTS NOR ANY DROP OUTS. CONCLUSION: WE CONCLUDE THAT YOGA IS AN EFFECTIVE TREATMENT OPTION FOR THE PATIENTS WITH INSOMNIA. THERE ARE NO MAJOR SIDE EFFECTS. 2013 8 2000 28 STRESS MANAGEMENT: A RANDOMIZED STUDY OF COGNITIVE BEHAVIOURAL THERAPY AND YOGA. IN THIS STUDY, A STRESS MANAGEMENT PROGRAM BASED ON COGNITIVE BEHAVIOURAL THERAPY PRINCIPLES WAS COMPARED WITH A KUNDALINIYOGA PROGRAM. A STUDY SAMPLE OF 26 WOMEN AND 7 MEN FROM A LARGE SWEDISH COMPANY WERE DIVIDED RANDOMLY INTO 2 GROUPS FOR EACH OF THE DIFFERENT FORMS OF INTERVENTION; A TOTAL OF 4 GROUPS. THE GROUPS WERE INSTRUCTED BY TRAINED GROUP LEADERS AND 10 SESSIONS WERE HELD WITH EACH OF GROUPS, OVER A PERIOD OF 4 MONTHS. PSYCHOLOGICAL (SELF-RATED STRESS AND STRESS BEHAVIOUR, ANGER, EXHAUSTION, QUALITY OF LIFE) AND PHYSIOLOGICAL (BLOOD PRESSURE, HEART RATE, URINARY CATECHOLAMINES, SALIVARY CORTISOL) MEASUREMENTS OBTAINED BEFORE AND AFTER TREATMENT SHOWED SIGNIFICANT IMPROVEMENTS ON MOST OF THE VARIABLES IN BOTH GROUPS AS WELL AS MEDIUM-TO-HIGH EFFECT SIZES. HOWEVER, NO SIGNIFICANT DIFFERENCE WAS FOUND BETWEEN THE 2 PROGRAMS. THE RESULTS INDICATE THAT BOTH COGNITIVE BEHAVIOUR THERAPY AND YOGA ARE PROMISING STRESS MANAGEMENT TECHNIQUES. 2006 9 2680 40 YOGA IN SCHOOL SPORTS IMPROVES FUNCTIONING OF AUTONOMIC NERVOUS SYSTEM IN YOUNG ADULTS: A NON-RANDOMIZED CONTROLLED PILOT STUDY. BACKGROUND: YOGA IN SCHOOL IS A BENEFICIAL TOOL TO PROMOTE THE GOOD HEALTH AND WELL-BEING OF STUDENTS BY CHANGING THE WAY THEY REACT TO STRESS. THE POSITIVE EFFECTS OF YOGA-TAUGHT IN SCHOOLS-ON CHILDREN, YOUTH AND YOUNG ADULTS HAVE BEEN DEMONSTRATED IN FORMER STUDIES USING MOSTLY SUBJECTIVE PSYCHOMETRIC DATA. AIM: THE PRESENT TRIAL AIMS TO EVALUATE THE POTENTIAL EFFECTS OF YOGA ON AUTONOMIC REGULATION IN YOUNG ADULTS BY ANALYZING HEART RATE VARIABILITY (HRV). METHODS: THIS STUDY IS A NON-RANDOMIZED, EXPLORATIVE, TWO-ARM-PILOT STUDY WITH AN ACTIVE CONTROL GROUP. FOURTEEN HEALTHY YOUNG ADULTS TOOK PART IN A 10-WEEK YOGA PROGRAM (90 MIN ONCE A WEEK) IN SCHOOL AND WERE COMPARED TO A CONTROL GROUP OF 11 STUDENTS WHO PARTICIPATED IN CONVENTIONAL SCHOOL SPORTS (90 MIN ONCE A WEEK OVER 10 WEEKS). 24-HOUR ELECTROCARDIOGRAMS (ECGS) WERE RECORDED AT BASELINE AND FOLLOWING THE 10-WEEK INTERVENTION. FROM 20-MINUTE OF NOCTURNAL SLEEP PHASES, HRV PARAMETERS WERE CALCULATED FROM LINEAR (TIME AND FREQUENCY DOMAIN) AND NONLINEAR DYNAMICS (SUCH AS SYMBOLIC DYNAMICS AND POINCARE PLOT ANALYSIS). ANALYSES OF VARIANCE (ANOVA) FOLLOWED BY T-TESTS AS POST-HOC TESTS ESTIMATING BOTH STATISTICAL SIGNIFICANCE AND EFFECT SIZE WERE USED TO COMPARE PRE-POST-INTERVENTION FOR THE TWO GROUPS. RESULTS: THE STATISTICAL ANALYSIS OF THE INTERACTION EFFECTS DID NOT REVEAL A SIGNIFICANT GROUP AND TIME INTERACTION FOR THE INDIVIDUAL NOCTURNAL HRV INDICES. ALMOST ALL INDICES REVEALED MEDIUM AND LARGE EFFECTS REGARDING THE TIME MAIN EFFECTS. THE CHANGES IN THE HRV INDICES FOLLOWING THE INTERVENTION WERE MORE DRAMATIC FOR THE YOGA GROUP THAN FOR THE CONTROL GROUP WHICH IS REFLECTED IN PREDOMINANTLY HIGHER SIGNIFICANCES AND STRONGER EFFECT SIZES IN THE YOGA GROUP. CONCLUSION: IN THIS EXPLORATIVE PILOT TRIAL, AN INCREASE OF HRV (MORE PARASYMPATHETIC DOMINANCE AND OVERALL HIGHER HRV) AFTER TEN WEEKS OF YOGA IN SCHOOL IN COMPARISON TO REGULAR SCHOOL SPORTS WAS DEMONSTRATED, SHOWING AN IMPROVED SELF-REGULATION OF THE AUTONOMIC NERVOUS SYSTEM. 2020 10 845 25 EFFECT OF YOGA ON PULSE RATE AND BLOOD PRESSURE AMONG WOMEN. OBJECTIVES: CHANGE IN THE PAST FEW DECADES IN HUMAN LIFE STYLE, NOWADAYS INTERNATIONAL HEALTH ORGANIZATIONS, I.E., WORLD HEALTH ORGANIZATION ARE ALSO FOCUSING ON PREVENTION ALONG WITH TREATMENT ASPECT OF CHRONIC ILLNESS. RESEARCHES FOCUS THAT WOMEN OF AGE GROUP 30-45 YEARS ARE AT INCREASED RISK FOR HYPERTENSION AND HEART DISEASE DUE TO INCREASED WEIGHT. YOGA IS AN EFFECTIVE METHOD TO CONTROL OUR PHYSIOLOGICAL VARIABLES LIKE BLOOD PRESSURE (BP), PULSE, ETC. THE MAIN AIM OF THIS STUDY WAS TO IDENTIFY THE EFFECTS OF YOGA ON PHYSIOLOGICAL VARIABLES. METHODS: THE STUDY WAS AN EXPERIMENTAL STUDY WITH TWO GROUP, PRETEST AND POSTTEST CONTROL GROUP, DESIGN, WHICH WAS CONDUCTED ON 40 FEMALE PARTICIPANTS. PRANAYAMA AND MEDITATION FOR A PERIOD OF 6 WEEKS WAS DONE BY THESE WOMEN. RESULTS: YOGA THERAPY SIGNIFICANTLY REDUCED THE BP (0.000*) AND PULSE RATE (0.000*) OF WOMEN, WHICH WAS ALSO STATISTICALLY PROVED. CONCLUSIONS: YOGA THERAPY CAN BE AN EFFECTIVE METHOD TO CONTROL BP AND PULSE RATE OF PATIENTS WITH CHRONIC DISEASES. 2021 11 940 29 EFFECTS OF 6 MONTHS YOGA PROGRAM ON RENAL FUNCTIONS AND QUALITY OF LIFE IN PATIENTS SUFFERING FROM CHRONIC KIDNEY DISEASE. AIM: TO STUDY THE EFFECT OF 6 MONTHS YOGA PROGRAM IN PATIENTS SUFFERING FROM CHRONIC KIDNEY DISEASE (CKD). MATERIALS AND METHODS: FIFTY-FOUR PATIENTS WITH CKD WERE STUDIED AND DIVIDED INTO TWO GROUPS (YOGA GROUP AND CONTROL GROUP) TO SEE THE EFFECT OF YOGA IN CKD. PATIENTS IN THE YOGA GROUP WERE OFFERED YOGA THERAPY ALONG WITH OTHER CONVENTIONAL TREATMENT MODALITIES, WHILE THE CONTROL GROUP WAS ONLY ON CONVENTIONAL TREATMENT. SUBJECTS IN YOGA GROUP WERE TRAINED TO PERFORM SPECIFIC YOGIC ASANAS FOR AT LEAST 5 DAYS A WEEK FOR 40-60 MIN A DAY. REGULAR MONITORING OF BLOOD PRESSURE, RENAL FUNCTION, REQUIREMENT OF A NUMBER OF DIALYSIS, AND QUALITY OF LIFE (QOL) INDICATORS WERE DONE. FIFTY PATIENTS (YOGA - 25; CONTROL-25) COMPLETED 6 MONTHS FOLLOW-UP. RESULTS: IN YOGA GROUP, A SIGNIFICANT REDUCTION OF SYSTOLIC AND DIASTOLIC BLOOD PRESSURE, SIGNIFICANT REDUCTION IN BLOOD UREA AND SERUM CREATININE LEVELS, AND SIGNIFICANT IMPROVEMENT IN PHYSICAL AND PSYCHOLOGICAL DOMAIN OF THE WORLD HEALTH ORGANIZATION QOL (AS ASSESSED BY BREF QOL SCORES) WERE SEEN AFTER 6 MONTHS. IN CONTROL GROUP, RISE OF BLOOD PRESSURE, DETERIORATION OF RENAL FUNCTION, AND QOL WERE OBSERVED. POSTSTUDY COMPARISON BETWEEN THE TWO GROUPS SHOWED A STATISTICALLY SIGNIFICANT REDUCTION OF BLOOD PRESSURE, NONSIGNIFICANT REDUCTION IN BLOOD UREA AND SERUM CREATININE, AND SIGNIFICANT IMPROVEMENT IN PHYSICAL AND PSYCHOLOGICAL DOMAIN OF QOL IN YOGA GROUP AS COMPARED TO CONTROL GROUP. FOR SUBJECTS IN YOGA GROUP, THE NEED FOR DIALYSIS WAS LESS WHEN COMPARED TO CONTROL GROUP ALTHOUGH THIS DIFFERENCE WAS STATISTICALLY INSIGNIFICANT. EXCEPT FOR INABILITY OF SOME PATIENTS TO PERFORM CERTAIN YOGIC ASANAS NO ADVERSE EFFECT WAS FOUND IN THE STUDY. CONCLUSION: SIX MONTHS YOGA PROGRAM IS SAFE AND EFFECTIVE AS AN ADJUVANT THERAPY IN IMPROVING RENAL FUNCTIONS AND QOL OF CKD PATIENTS. 2017 12 2863 24 YOGA-BASED GUIDED RELAXATION REDUCES SYMPATHETIC ACTIVITY JUDGED FROM BASELINE LEVELS. 35 MALE VOLUNTEERS WHOSE AGES RANGED FROM 20 TO 46 YEARS WERE STUDIED IN TWO SESSIONS OF YOGA-BASED GUIDED RELAXATION AND SUPINE REST. ASSESSMENTS OF AUTONOMIC VARIABLES WERE MADE FOR 15 SUBJECTS, BEFORE, DURING, AND AFTER THE PRACTICES, WHEREAS OXYGEN CONSUMPTION AND BREATH VOLUME WERE RECORDED FOR 25 SUBJECTS BEFORE AND AFTER BOTH TYPES OF RELAXATION. A SIGNIFICANT DECREASE IN OXYGEN CONSUMPTION AND INCREASE IN BREATH VOLUME WERE RECORDED AFTER GUIDED RELAXATION (PAIRED T TEST). THERE WERE COMPARABLE REDUCTIONS IN HEART RATE AND SKIN CONDUCTANCE DURING BOTH TYPES OF RELAXATION. DURING GUIDED RELAXATION THE POWER OF THE LOW FREQUENCY COMPONENT OF THE HEART-RATE VARIABILITY SPECTRUM REDUCED, WHEREAS THE POWER OF THE HIGH FREQUENCY COMPONENT INCREASED, SUGGESTING REDUCED SYMPATHETIC ACTIVITY. ALSO, SUBJECTS WITH A BASELINE RATIO OF LF/HF > 0.5 SHOWED A SIGNIFICANT DECREASE IN THE RATIO AFTER GUIDED RELAXATION, WHILE SUBJECTS WITH A RATIO < OR = 0.5 AT BASELINE SHOWED NO SUCH CHANGE. THE RESULTS SUGGEST THAT SYMPATHETIC ACTIVITY DECREASED AFTER GUIDED RELAXATION BASED ON YOGA, DEPENDING ON THE BASELINE LEVELS. 2002 13 1410 35 IMPACT OF YOGA ON PSYCHOPATHOLOGIES AND QUALITY OF LIFE IN PERSONS WITH HIV: A RANDOMIZED CONTROLLED STUDY. BACKGROUND: EVIDENCE SUGGESTS THAT INDIVIDUALS WITH HUMAN IMMUNODEFICIENCY VIRUS (HIV) OFTEN EXHIBIT POOR PHYSICAL AND MENTAL HEALTH, WHICH CONTRIBUTES TO A REDUCED QUALITY OF LIFE (QOL). YOGA IS A FORM OF ALTERNATIVE THERAPY THAT HAS POSITIVE INFLUENCES ON GENERAL HEALTH AND QOL. OBJECTIVES: THIS STUDY EXAMINED THE EFFECTS OF YOGA ON I) ANXIETY, DEPRESSION, AND PSYCHOLOGICAL WELL-BEING AND II) QOL AMONG INDIVIDUALS WITH AN HIV POSITIVE STATUS. METHODOLOGY: SIXTY INDIVIDUALS WITH HIV-POSITIVE (AGED 30-50 YEARS) FROM REHABILITATION CENTRES ACROSS BANGALORE WERE RANDOMLY ASSIGNED TO THE YOGA INTERVENTION GROUP (N=30; 11 MEN) OR THE WAIT-LISTED CONTROL GROUP (N=30; 10 MEN). PARTICIPANTS IN THE YOGA GROUP UNDERWENT 8 WEEKS OF INTENSE YOGA PRACTICE PERFORMED AN HOUR A DAY FOR 5 DAYS A WEEK. THE YOGA PRACTICE CONSISTED OF PHYSICAL POSTURES, BREATHING PRACTICES, RELAXATION TECHNIQUES, AND MEDITATION. PARTICIPANTS IN THE WAIT-LISTED CONTROL GROUP FOLLOWED THEIR NORMAL ROUTINE. ANXIETY, FATIGUE, DEPRESSION, AND QOL WERE ASSESSED TWICE FOR ALL SUBJECTS IN EACH GROUP - ONCE AT THE START OF THE STUDY TO ESTABLISH A BASELINE AND ONCE MORE AT THE END OF THE 2-MONTH STUDY PERIOD TO ASSESS ANY CHANGES. DATA ANALYSIS WAS PERFORMED ON THE ASSESSMENTS USING SPSS SOFTWARE VERSION 10. RESULTS: BETWEEN GROUP ANALYSIS DEMONSTRATED THAT A SIGNIFICANTLY DIFFERENT REDUCTION IN ANXIETY (P<0.001), DEPRESSION (P<0.001), AND FATIGUE (P<0.001) WAS OBSERVED IN THE YOGA GROUP COMPARED TO THE CONTROL GROUP, AS WELL AS SIGNIFICANT IMPROVEMENTS IN WELL-BEING (P<0.001) AND ALL DOMAINS OF QOL (P<0.001) IN THE YOGA GROUP COMPARED TO THE CONTROL GROUP. CONCLUSION: THIS STUDY INDICATES THAT YOGA INTERVENTION APPEARS TO IMPROVE THE PSYCHOLOGICAL HEALTH AND QOL OF INDIVIDUALS WHO ARE HIV-POSITIVE. THEREFORE, BASED ON THESE FINDINGS, YOGA MAY BE RECOMMENDED AS A COMPLEMENTARY THERAPY TO ENHANCE CONVENTIONAL HIV CARE. 2019 14 990 29 EFFECTS OF HATHA YOGA ON STRESS IN MIDDLE-AGED WOMEN. BACKGROUND: STRESS IS CONSIDERED A CRUCIAL TRIGGER FOR PHYSICAL AND MENTAL ILLNESS. STRESS REDUCTION IS A KNOWN LONG-TERM BENEFIT OF REGULAR HATHA YOGA PRACTICE. THE EFFICACY OF A SINGLE-SESSION HATHA YOGA CLASS ON STRESS REDUCTION IS NOT CURRENTLY KNOWN. PURPOSE: THIS STUDY INVESTIGATED THE COMPARATIVE EFFECTIVENESS OF A SINGLE 90-MINUTE HATHA YOGA CLASS AND AN 8-WEEK, 90-MINUTE-CLASS-PER-WEEK COURSE. METHODS: WE USED A QUASIEXPERIMENTAL DESIGN AND RECRUITED 63 FEMALE COMMUNITY RESIDENTS IN NEW TAIPEI CITY AGED 40-60 YEARS. PARTICIPANTS WERE RANDOMLY DIVIDED INTO AN EXPERIMENTAL GROUP (N = 30) AND A CONTROL GROUP (N = 33). THE EXPERIMENTAL GROUP RECEIVED THE 8-WEEK HATHA YOGA COURSE. THE CONTROL GROUP RECEIVED NO INTERVENTION. THE PERCEIVED STRESS SCALE (PSS) AND HEART RATE VARIABILITY (HRV) ASSESSED STRESS REDUCTION EFFECTIVENESS. CHI-SQUARE, INDEPENDENT T TEST, PAIRED T TEST, AND GENERALIZED ESTIMATING EQUATIONS WERE USED FOR DATA ANALYSIS. RESULTS: AFTER A SINGLE 90-MINUTE CLASS OF HATHA YOGA, EXPERIMENTAL GROUP PSS SCORES WERE SIGNIFICANTLY LESS THAN THOSE OF THE CONTROL GROUP (P = .001). ALTHOUGH EXPERIMENTAL GROUP HRV (LOW-FREQUENCY NORM AND HIGH-FREQUENCY NORM) HAD IMPROVED, THESE CHANGES WERE NOT STATISTICALLY SIGNIFICANT (P = .059). PSS SCORES FOR THE SINGLE 90-MINUTE CLASS AND 8-WEEK COURSE DID NOT SIGNIFICANTLY DIFFER (P = .157) AND HRV OF STATISTICS IS SIGNIFICANT (P = .005). GENERALIZED ESTIMATING EQUATIONS ANALYZED CHANGES IN THE EFFECTIVENESS OVER TIME OF STRESS REDUCTION (HRV AND PSS) AFTER THE HATHA YOGA INTERVENTION. RESULTS SHOWED THE POSTINTERVENTION HRV AND PSS OF THE EXPERIMENTAL GROUP DECREASED SIGNIFICANTLY (P < .001) MORE THAN THE CONTROL GROUP. CONCLUSIONS/IMPLICATIONS FOR PRACTICE: OUR FINDINGS SUPPORT THE POSITION THAT REGULAR, LONG-TERM PRACTICE OF HATHA YOGA PROVIDES CLEAR AND SIGNIFICANT HEALTH BENEFITS. PARTICIPATION IN A SINGLE 90-MINUTE HATHA YOGA CLASS CAN SIGNIFICANTLY REDUCE PERCEIVED STRESS. DOING HATHA YOGA REGULARLY CAN REDUCE PERCEIVED STRESS EVEN MORE SIGNIFICANTLY. 2013 15 2368 29 WELL-BEING AT WORKPLACE THROUGH MINDFULNESS: INFLUENCE OF YOGA PRACTICE ON POSITIVE AFFECT AND AGGRESSION. INTRODUCTION: MINDFULNESS IS ABOUT BEING AWARE OF INTERNAL AND EXTERNAL STIMULI BY WITNESSING THE ACT IN A NONJUDGMENTAL MANNER. EARLIER RESEARCHES SUGGEST THAT POSITIVE AFFECTIVITY (PA) IS NEGATIVELY RELATED TO NEGATIVE AFFECTIVITY, AGGRESSION, AND COUNTERPRODUCTIVE WORK BEHAVIOR (CWB). AIM: THE PRESENT STUDY EXAMINED THE EFFECT OF MINDFULNESS DEVELOPED THROUGH YOGA PRACTICES ON AGGRESSION AND PA AMONG WORKING PROFESSIONALS INVOLVED IN CWB. MATERIALS AND METHODS: A PRE-TEST, POST-TEST RANDOMIZED CONTROLLED DESIGN WAS USED WITH A STUDY SAMPLE OF YOGA GROUP (N = 80) AND CONTROL GROUP (N = 80) FOR A DURATION OF 10 WEEKS. YOGA MODULE THAT INCLUDED ASANAS, PRANAYAMA, MEDITATION, AND YOGIC THEORIES WERE TAUGHT TO THE YOGA GROUP. MILD TO MODERATE PHYSICAL EXERCISES AND MANAGEMENT THEORIES WERE TAUGHT TO THE CONTROL GROUP. MEASUREMENTS OF AGGRESSION AND PA SCORES WERE TAKEN AT THE BASELINE AND POSTINTERVENTION FOR ASSESSMENT. RESULTS: AT THE BASELINE, THERE WAS NO SIGNIFICANT DIFFERENCE IN THE VARIABLE SCORES BETWEEN BOTH THE GROUPS. POSTINTERVENTION RESULTS REVEALED THAT YOGA GROUP SHOWED STATISTICALLY SIGNIFICANT (P < 0.001) REDUCTION IN AGGRESSION AND SIGNIFICANT (P < 0.001) ENHANCEMENT IN PA IN COMPARISON TO THE CONTROL GROUP. CONCLUSIONS: WHEN COMPARED WITH THE CONTROL GROUP AT THE END OF THE INTERVENTION, THE YOGA GROUP SCORES WERE SIGNIFICANTLY LOWER FOR AGGRESSION AND HIGHER FOR PA. 2015 16 247 42 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 17 1102 39 EFFECTS OF YOGA TRAINING ON BODY COMPOSITION AND OXIDANT-ANTIOXIDANT STATUS AMONG HEALTHY MALE. BACKGROUND: THE STRESSFUL CONDITION MAY CAUSE OXIDATIVE STRESS, WHICH IS RESPONSIBLE FOR VARIOUS DISEASES. AIMS: THE PRESENT STUDY WAS DESIGNED TO FIND OUT WHETHER YOGA HAS IMPACT ON THE REDUCTION OF OXIDATIVE STRESS. METHODS: FOR THE PRESENT STUDY, 95 (N = 95) HEALTHY MALE VOLUNTEERS WITHIN THE AGE GROUP OF 18-24 YEARS WERE INCLUDED, 35 (N = 35) VOLUNTEERS WERE EXCLUDED. THE REMAINING 60 (N = 60) VOLUNTEERS WERE RANDOMLY DIVIDED INTO TWO GROUPS: (A) YOGA GROUP (N = 30) AND (B) CONTROL GROUP (N = 30). YOGA TRAINING WAS GIVEN FOR 60 MIN PER DAY, 6 DAYS PER WEEK FOR 12 WEEKS IN THE YOGA GROUP, WITH NO YOGA TRAINING IN CONTROL GROUP. ASSESSMENT OF BODY COMPOSITION AND OXIDANT-ANTIOXIDANT STATUS WERE PERFORMED IN BOTH THE GROUPS AT BASELINE, BEFORE YOGA TRAINING (0 WEEK) AND AFTER (12 WEEKS) OF THE TRAINING. RESULTS: SIGNIFICANT REDUCTION (P < 0.001) IN THE PERCENTAGE OF BODY FAT AND MALONDIALDEHYDE; SIGNIFICANT ELEVATION (P < 0.001) IN SUPEROXIDE DISMUTASE, CATALASE, REDUCED GLUTATHIONE AND ASCORBIC ACID LEVELS WERE NOTED IN THE YOGA GROUP AFTER 12 WEEKS WHEN COMPARED TO BASELINE DATA (0 WEEK). HOWEVER, THERE WAS NO SIGNIFICANT DIFFERENCE IN HEIGHT, WEIGHT, BODY MASS INDEX, BODY SURFACE AREA AND LEAN BODY MASS AMONG THE YOGA GROUP AFTER 12 WEEKS WHEN COMPARED TO BASELINE DATA. THESE CHANGES MIGHT BE DUE TO YOGA TRAINING. CONCLUSIONS: REGULAR YOGA PRACTICE REDUCES BODY FAT AND OXIDATIVE STRESS. YOGA TRAINING MAY BE HELPFUL TO REDUCE THE CHANCE OF OCCURRENCE OF VARIOUS DISEASES AND HELPS TO MAINTAIN NORMAL HEALTHY LIFESTYLE. 2018 18 687 34 EFFECT OF AN OFFICE WORKSITE-BASED YOGA PROGRAM ON HEART RATE VARIABILITY: OUTCOMES OF A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: CHRONIC WORK-RELATED STRESS IS AN INDEPENDENT RISK FACTOR FOR CARDIOMETABOLIC DISEASES AND ASSOCIATED MORTALITY, PARTICULARLY WHEN COMPOUNDED BY A SEDENTARY WORK ENVIRONMENT. THE PURPOSE OF THIS STUDY WAS TO DETERMINE IF AN OFFICE WORKSITE-BASED HATHA YOGA PROGRAM COULD IMPROVE PHYSIOLOGICAL STRESS, EVALUATED VIA HEART RATE VARIABILITY (HRV), AND ASSOCIATED HEALTH-RELATED OUTCOMES IN A COHORT OF OFFICE WORKERS. METHODS: THIRTY-SEVEN ADULTS EMPLOYED IN UNIVERSITY-BASED OFFICE POSITIONS WERE RANDOMIZED UPON THE COMPLETION OF BASELINE TESTING TO AN EXPERIMENTAL OR CONTROL GROUP. THE EXPERIMENTAL GROUP COMPLETED A 10-WEEK YOGA PROGRAM PRESCRIBED THREE SESSIONS PER WEEK DURING LUNCH HOUR (50 MIN PER SESSION). AN EXPERIENCED INSTRUCTOR LED THE SESSIONS, WHICH EMPHASIZED ASANAS (POSTURES) AND VINYASA (EXERCISES). THE PRIMARY OUTCOME WAS THE HIGH FREQUENCY (HF) POWER COMPONENT OF HRV. SECONDARY OUTCOMES INCLUDED ADDITIONAL HRV PARAMETERS, MUSCULOSKELETAL FITNESS (I.E. PUSH-UP, SIDE-BRIDGE, AND SIT & REACH TESTS) AND PSYCHOLOGICAL INDICES (I.E. STATE AND TRAIT ANXIETY, QUALITY OF LIFE AND JOB SATISFACTION). RESULTS: ALL MEASURES OF HRV FAILED TO CHANGE IN THE EXPERIMENTAL GROUP VERSUS THE CONTROL GROUP, EXCEPT THAT THE EXPERIMENTAL GROUP SIGNIFICANTLY INCREASED LF:HF (P = 0.04) AND REDUCED PNN50 (P = 0.04) VERSUS CONTROL, CONTRARY TO OUR HYPOTHESES. FLEXIBILITY, EVALUATED VIA SIT & REACH TEST INCREASED IN THE EXPERIMENTAL GROUP VERSUS THE CONTROL GROUP (P < 0.001). NO OTHER ADAPTATIONS WERE NOTED. POST HOC ANALYSIS COMPARING PARTICIPANTS WHO COMPLETED >/=70% OF YOGA SESSIONS (N = 11) TO CONTROL (N = 19) YIELDED THE SAME FINDINGS, EXCEPT THAT THE HIGH ADHERERS ALSO REDUCED STATE ANXIETY (P = 0.02) AND RMSSD (P = 0.05), AND TENDED TO IMPROVE THE PUSH-UP TEST (P = 0.07) VERSUS CONTROL. CONCLUSIONS: A 10-WEEK HATHA YOGA INTERVENTION DELIVERED AT THE OFFICE WORKSITE DURING LUNCH HOUR DID NOT IMPROVE HF POWER OR OTHER HRV PARAMETERS. HOWEVER, IMPROVEMENTS IN FLEXIBILITY, STATE ANXIETY AND MUSCULOSKELETAL FITNESS WERE NOTED WITH HIGH ADHERENCE. FUTURE INVESTIGATIONS SHOULD INCORPORATE STRATEGIES TO PROMOTE ADHERENCE, INVOLVE MORE FREQUENT AND LONGER DURATIONS OF YOGA TRAINING, AND ENROL COHORTS WHO SUFFER FROM HIGHER LEVELS OF WORK-RELATED STRESS. TRIAL REGISTRATION: ACTRN12611000536965. 2013 19 668 39 EFFECT OF A 16-WEEK BIKRAM YOGA PROGRAM ON HEART RATE VARIABILITY AND ASSOCIATED CARDIOVASCULAR DISEASE RISK FACTORS IN STRESSED AND SEDENTARY ADULTS: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: CHRONIC ACTIVATION OF THE STRESS-RESPONSE CAN CONTRIBUTE TO CARDIOVASCULAR DISEASE RISK, PARTICULARLY IN SEDENTARY INDIVIDUALS. THIS STUDY INVESTIGATED THE EFFECT OF A BIKRAM YOGA INTERVENTION ON THE HIGH FREQUENCY POWER COMPONENT OF HEART RATE VARIABILITY (HRV) AND ASSOCIATED CARDIOVASCULAR DISEASE (CVD) RISK FACTORS (I.E. ADDITIONAL DOMAINS OF HRV, HEMODYNAMIC, HEMATOLOGIC, ANTHROPOMETRIC AND BODY COMPOSITION OUTCOME MEASURES) IN STRESSED AND SEDENTARY ADULTS. METHODS: ELIGIBLE ADULTS WERE RANDOMIZED TO AN EXPERIMENTAL GROUP (N = 29) OR A NO TREATMENT CONTROL GROUP (N = 34). EXPERIMENTAL GROUP PARTICIPANTS WERE INSTRUCTED TO ATTEND THREE TO FIVE SUPERVISED BIKRAM YOGA CLASSES PER WEEK FOR 16 WEEKS AT LOCAL STUDIOS. OUTCOME MEASURES WERE ASSESSED AT BASELINE (WEEK 0) AND COMPLETION (WEEK 17). RESULTS: SIXTY-THREE ADULTS (37.2 +/- 10.8 YEARS, 79% WOMEN) WERE INCLUDED IN THE INTENTION-TO-TREAT ANALYSIS. THE EXPERIMENTAL GROUP ATTENDED 27 +/- 18 CLASSES. ANALYSES OF COVARIANCE REVEALED NO SIGNIFICANT CHANGE IN THE HIGH-FREQUENCY COMPONENT OF HRV (P = 0.912, PARTIAL ETA (2) = 0.000) OR IN ANY SECONDARY OUTCOME MEASURE BETWEEN GROUPS OVER TIME. HOWEVER, REGRESSION ANALYSES REVEALED THAT HIGHER ATTENDANCE IN THE EXPERIMENTAL GROUP WAS ASSOCIATED WITH SIGNIFICANT REDUCTIONS IN DIASTOLIC BLOOD PRESSURE (P = 0.039; PARTIAL ETA (2) = 0.154), BODY FAT PERCENTAGE (P = 0.001, PARTIAL ETA (2) = 0.379), FAT MASS (P = 0.003, PARTIAL ETA (2) = 0.294) AND BODY MASS INDEX (P = 0.05, PARTIAL ETA (2) = 0.139). CONCLUSIONS: A 16-WEEK BIKRAM YOGA PROGRAM DID NOT INCREASE THE HIGH FREQUENCY POWER COMPONENT OF HRV OR ANY OTHER CVD RISK FACTORS INVESTIGATED. AS REVEALED BY POST HOC ANALYSES, LOW ADHERENCE LIKELY CONTRIBUTED TO THE NULL EFFECTS. FUTURE STUDIES ARE REQUIRED TO ADDRESS BARRIERS TO ADHERENCE TO BETTER ELUCIDATE THE DOSE-RESPONSE EFFECTS OF BIKRAM YOGA PRACTICE AS A MEDIUM TO LOWER STRESS-RELATED CVD RISK. TRIAL REGISTRATION: RETROSPECTIVELY REGISTERED WITH AUSTRALIA NEW ZEALAND CLINICAL TRIALS REGISTRY ACTRN12616000867493 . REGISTERED 04 JULY 2016. 2017 20 813 34 EFFECT OF YOGA ON CARDIOVASCULAR FUNCTIONS AND PSYCHOLOGICAL ASPECTS OF PEOPLE ON PUBLIC SERVICE-RELATED WORK: AN EXPLORATORY STUDY. OBJECTIVES: YOGA IS INCREASINGLY BEING INTRODUCED IN WORKPLACE SETTINGS TO IMPROVE HEALTH AND WELL-BEING. HOWEVER, THERE IS A LACK OF STUDIES REPORTING THE EFFECT OF YOGA IN PEOPLE ON PUBLIC SERVICE-RELATED WORK, WHO ARE AT HIGH RISK FOR VARIOUS HEALTH-RELATED PROBLEMS. THUS, THE OBJECTIVE OF THIS STUDY WAS TO FIND THE EFFECT OF YOGA ON CARDIOVASCULAR FUNCTIONS AND PSYCHOLOGICAL (STRESS, ANXIETY, AND DEPRESSION) ASPECTS OF PEOPLE ON PUBLIC SERVICE-RELATED WORK. METHODS: A SINGLE-GROUP PRE-TEST AND POST-TEST EXPERIMENTAL STUDY DESIGN WAS ADOPTED. EIGHTY-TWO PARTICIPANTS AGED 41.52 +/- 7.44 YEARS WHO ARE WORKING IN THE TAMIL NADU PUBLIC SERVICE COMMISSION WERE UNDERGONE 1-H OF YOGA (UNDER THE SUPERVISION OF A YOGA & NATUROPATHY DOCTOR) A DAY, 5-DAYS A WEEK FOR A PERIOD OF 1-MONTH AT THEIR OFFICE. CARDIOVASCULAR FUNCTIONS SUCH AS SYSTOLIC BLOOD PRESSURE (SBP), DIASTOLIC BLOOD PRESSURE (DBP), AND PULSE RATE (PR) WERE MEASURED USING AN AUTOMATIC BP MONITOR. PSYCHOLOGICAL VARIABLES SUCH AS STRESS, ANXIETY, AND DEPRESSION WERE MEASURED USING DEPRESSION ANXIETY AND STRESS SCALES (DASS) BEFORE AND AFTER THE INTERVENTION. RESULTS: RESULTS OF THIS STUDY SHOWED A SIGNIFICANT REDUCTION IN BODY MASS INDEX, SBP, DBP, PR, MEAN ARTERIAL PRESSURE, RATE PRESSURE PRODUCT, AND DOUBLE PRODUCT. THOUGH RESULTS SHOWED INSIGNIFICANT (JUST MISSED THE STATISTICAL SIGNIFICANCE [P=0.056]) REDUCTION IN ANXIETY, IT SHOWED CLINICAL IMPROVEMENT (I.E. THE MEAN ANXIETY SCORE HAS REDUCED FROM MODERATE CATEGORY TO MILD CATEGORY). HOWEVER, THERE IS NEITHER STATISTICALLY SIGNIFICANT NOR CLINICAL DIFFERENCE IN STRESS AND DEPRESSION. NONE OF THE PARTICIPANTS REPORTED ANY UNTOWARD EVENTS DURING THE STUDY PERIOD. CONCLUSIONS: RESULTS SUGGEST THAT YOGA MIGHT IMPROVE THE CARDIOVASCULAR FUNCTIONS AND ANXIETY OF PEOPLE IN PUBLIC SERVICE-RELATED WORK. HOWEVER, NO SUCH SIGNIFICANT IMPROVEMENT WAS NOTED IN THEIR STRESS AND DEPRESSION LEVELS. HOWEVER, A RANDOMIZED CONTROLLED TRIAL IS REQUIRED TO WARRANT THE RESULTS OF THIS STUDY. 2021