1 761 161 EFFECT OF SUDARSHAN KRIYA YOGA (SKY) ON DAYTIME AND SITUATIONAL SLEEP PROPENSITY IN NOVICE PRACTITIONERS: A PROSPECTIVE COHORT STUDY. OBJECTIVES: HECTIC, LATE-NIGHT LIFESTYLE HAS REDUCED 90 MIN SLEEP IN 20% ADULTS RESULTING IN INSOMNIA AND EXCESSIVE DAYTIME SLEEPINESS (EDS). WE ASSESS THE SCOPE OF SUDARSHAN KRIYA YOGA (SKY), A 4-COMPONENT, BREATHING PROCESS IN REDUCING EDS, GENERALLY AND SITUATIONALLY. METHODS: THIS IS A PROSPECTIVE, CONTROLLED STUDY INVOLVING RANDOMIZED SUBJECTS WITHOUT ANY SLEEP-WAKE CYCLE ANOMALIES AND PRIOR EXPERIENCE IN SKY. SUBJECTS (N=52) PERFORMED 30 MIN OF SKY FOR 6 DAYS/WEEK FOR 8 WEEKS, WHILE CONTROLS (N=53) PERFORMED SITTING ACTIVITY AND SURYANAMASKAR FOR 4-WEEKS EACH. EPWORTH SLEEPINESS SCALE (ESS) WAS USED TO MEASURE EDS AT 0, 4, AND 8 WEEKS. RESULTS: SKY GROUP SHOWED SIGNIFICANT ESS SCORE IMPROVEMENTS BETWEEN 0-4 WEEKS AND 4-8 WEEKS OF 1.22 (P=0.0001) AND 1.66 (P=0.001) RESPECTIVELY. CONTROLS HOWEVER FAILED TO IMPROVE WITH SCORE DIFFERENCES OF 0.02 (P=0.892) AND 0.02 (P=0.8212) RESPECTIVELY. SKY GROUP SHOWED SIGNIFICANT ESS SCORE IMPROVEMENT OVER CONTROLS AT 4-WEEKS (DIFFERENCE=1.74; P=0.013) AND 8-WEEKS (DIFFERENCE EIGHT; P=0.0001). IMPROVEMENT WAS MOST FOR OBESE PEOPLE AND THOSE SITTING IN A HALTED CAR. CONCLUSIONS: IMPROVEMENT IN SUBJECTS' NIGHTTIME SLEEP AND DAYTIME WAKEFULNESS IN SKY PRACTITIONERS CAN BE ATTRIBUTED TO POLYVAGAL THEORY. INCREASED HEART RATE VARIABILITY (HRV) ALTERATIONS AND SYMPATHETIC HYPERAROUSAL IN CHRONIC INSOMNIA; AND CHOLINERGIC AND GABAERGIC DYSREGULATION IN ANXIETY DISORDERS ARE COUNTERED BY REGULATED VAGAL NERVE STIMULATION POST SKY. OUR STUDY ESTABLISHES EFFECTIVITY OF SKY IN REDUCING EDS (TOTAL AND SITUATIONAL), PROVIDES A CLINICAL CORRELATION FOR PRIOR POLYSOMNOGRAPHIC EVIDENCE AND PAVES WAY FOR LARGER TRIALS DIRECTED TOWARDS SKY PRESCRIPTIONS FOR INSOMNIA. 2020 2 2867 27 YOGA-BASED LIFESTYLE TREATMENT AND COMPOSITE TREATMENT GOALS IN TYPE 2 DIABETES IN A RURAL SOUTH INDIAN SETUP- A RETROSPECTIVE STUDY. THIS MULTICENTRE RETROSPECTIVE STUDY EXAMINED THE EFFECTS OF ADJUNCT YOGA-TREATMENT IN ACHIEVING COMPOSITE CARDIOVASCULAR GOALS FOR TYPE 2 DIABETES (T2D), SET FORTH BY THE AMERICAN DIABETES ASSOCIATION (ADA) IN RURAL INDIAN SETTINGS. RECORDS WERE EXTRACTED FOR 146 T2D PATIENTS, AGED >/=20-70 YEARS, AND TREATED UNDER THE "APOLLO TOTAL HEALTH PROGRAMME" FOR RURAL DIABETES MANAGEMENT, FOR THE PERIOD APRIL 2016 TO NOVEMBER 2016. THE STUDY COHORT COMPRISED OF TWO TREATMENT GROUPS (N = 73 EACH); NON-YOGA GROUP (STANDARD OF CARE) AND YOGA GROUP (ADJUNCT YOGA-TREATMENT). PROPENSITY SCORE MATCHING WAS APPLIED BETWEEN THE STUDY GROUPS TO DEFINE THE COHORT. COMPOSITE CARDIOVASCULAR SCORES WERE BASED ON THE COMBINATION OF INDIVIDUAL ADA GOALS; A1C < 7%, BLOOD PRESSURE (BP) < 140/90 MMHG, STRINGENT BP (<130/80 MMHG) AND LIPID, LDL-C < 100 MG/DL [RISK FACTOR FOR ATHEROSCLEROTIC CARDIOVASCULAR DISEASE]. LOGISTIC REGRESSION WAS USED TO COMPARE BETWEEN THE TWO TREATMENT GROUPS. COMPARED TO STANDARD OF CARE, ADJUNCT YOGA-TREATMENT WAS FOUND TO SIGNIFICANTLY FACILITATE THE ATTAINMENT OF ADA COMPOSITE SCORE BY 8-FOLD; A1C, ~2-FOLD; LDL-C, ~2-FOLD; BP < 140/90 MMHG AND <130/80 MMHG BY ~8-AND ~6-FOLD RESPECTIVELY. THIS STUDY PROVIDES THE FIRST EVIDENCE FOR SIGNIFICANT EFFICACY OF ADJUNCT YOGA-TREATMENT FOR THE ATTAINMENT OF FAVOURABLE TREATMENT GOALS FOR T2D IN RURAL INDIAN SETTINGS. CLINICAL TRIAL REGISTRATION NUMBER: CTRI/2020/02/0232790. 2020 3 1045 33 EFFECTS OF YOGA INTERVENTIONS PRACTISED IN HEATED AND THERMONEUTRAL CONDITIONS ON ENDOTHELIUM-DEPENDENT VASODILATATION: THE BIKRAM YOGA HEART STUDY. NEW FINDINGS: WHAT IS THE CENTRAL QUESTION OF THIS STUDY? DOES THE HEATED PRACTICE ENVIRONMENT ENHANCE THE EFFECTS OF BIKRAM YOGA ON ENDOTHELIUM-DEPENDENT VASODILATATION IN HEALTHY, MIDDLE-AGED ADULTS? WHAT IS THE MAIN FINDING AND ITS IMPORTANCE? THE PRIMARY FINDING FROM THIS INVESTIGATION IS THAT THE HATHA YOGA POSTURES IN THE BIKRAM YOGA SERIES PRODUCE SIMILAR ENHANCEMENTS IN ENDOTHELIUM-DEPENDENT VASODILATATION IN HEALTHY, MIDDLE-AGED ADULTS REGARDLESS OF ENVIRONMENTAL TEMPERATURE. THESE FINDINGS HIGHLIGHT THE EFFICACY OF YOGA POSTURES IN PRODUCING IMPROVEMENTS IN VASCULAR HEALTH AND DOWNPLAY THE NECESSITY OF THE HEATED PRACTICE ENVIRONMENT IN INDUCING VASCULAR ADAPTATIONS. ABSTRACT: WE HAVE PREVIOUSLY DOCUMENTED IMPROVEMENTS IN ENDOTHELIUM-DEPENDENT VASODILATATION WITH A BIKRAM (HOT) YOGA INTERVENTION IN MIDDLE-AGED ADULTS. AT PRESENT, THE EFFECT OF ENVIRONMENTAL TEMPERATURE IN HOT YOGA ON ENDOTHELIAL FUNCTION IS UNKNOWN. THE PURPOSE OF THIS INVESTIGATION WAS TO DETERMINE THE EFFECTS OF BIKRAM YOGA INTERVENTIONS PERFORMED IN HEATED OR THERMONEUTRAL CONDITIONS ON ENDOTHELIUM-DEPENDENT VASODILATATION. FIFTY-TWO SEDENTARY BUT APPARENTLY HEALTHY ADULTS AGED 40-60 YEARS WERE RANDOMLY ASSIGNED TO ONE OF THREE GROUPS: BIKRAM YOGA PRACTISED AT 40.5 DEGREES C (N = 19), BIKRAM YOGA PRACTISED AT 23 DEGREES C (N = 14) OR SEDENTARY TIME CONTROL (N = 19). THE YOGA INTERVENTIONS CONSISTED OF 90 MIN BIKRAM YOGA CLASSES THREE TIMES A WEEK FOR 12 WEEKS. ENDOTHELIUM-DEPENDENT VASODILATATION WAS MEASURED NON-INVASIVELY USING BRACHIAL ARTERY FLOW-MEDIATED DILATATION (FMD). BODY FAT PERCENTAGE DETERMINED VIA DUAL-ENERGY X-RAY ABSORPTIOMETRY WAS SIGNIFICANTLY LOWER IN THE HOT YOGA GROUP AFTER THE INTERVENTION THAN IN THE THERMONEUTRAL YOGA AND CONTROL CONDITIONS. BRACHIAL ARTERY FMD INCREASED (P < 0.05) IN THE THERMONEUTRAL YOGA GROUP AND TENDED TO INCREASE IN THE HOT YOGA GROUP (P = 0.056). NO CHANGES OCCURRED IN THE CONTROL GROUP. THERE WERE NO SIGNIFICANT DIFFERENCES IN FMD CHANGE SCORES BETWEEN GROUPS. WE CONCLUDE THAT BIKRAM YOGA PRACTISED IN THERMONEUTRAL CONDITIONS IMPROVED ENDOTHELIUM-DEPENDENT VASODILATATION IN HEALTHY, MIDDLE-AGED ADULTS. THESE NEW FINDINGS HIGHLIGHT THE EFFECTIVENESS OF HATHA YOGA POSTURES ALONE, IN THE ABSENCE OF A HEATED PRACTICE ENVIRONMENT, IN IMPROVING VASCULAR HEALTH AND ARE OF CLINICAL SIGNIFICANCE GIVEN THE INCREASED PROPENSITY FOR HEAT INTOLERANCE IN AGEING ADULTS. 2018 4 993 14 EFFECTS OF HEATED AND THERMONEUTRAL YOGA INTERVENTIONS ON ARTERIAL STIFFNESS IN MIDDLE-AGED ADULTS. THE STUDY INVESTIGATED THE EFFICACY OF 12 WEEKS OF HEATED AND THERMONEUTRAL BIKRAM YOGA IN REDUCING ARTERIAL STIFFNESS IN MIDDLE-AGED ADULTS. FIFTY-FOUR SEDENTARY ADULTS (AGES 40-60 YEARS) COMPLETED 12 WEEKS OF YOGA AT 40.5 DEGREES C (N = 21), YOGA AT 23 DEGREES C (N = 14) OR TIME CONTROL (N = 19). BRACHIAL-ANKLE PULSE WAVE VELOCITY (PWV) WAS NOT SIGNIFICANTLY ALTERED BY HOT OR THERMONEUTRAL YOGA INTERVENTIONS. 2018 5 431 29 CAN YOGA OVERCOME CRIMINALITY? THE IMPACT OF YOGA ON RECIDIVISM IN ISRAELI PRISONS. IN RECENT YEARS, YOGA PRACTICES HAVE BEEN INTEGRATED INTO INFORMAL EDUCATION PROGRAMS OF THE ISRAEL PRISON SERVICE (IPS), GIVEN RISE TO INNOVATIVE CRIMINOLOGICAL THEORIES SUCH AS POSITIVE CRIMINOLOGY THAT EMPHASIZE THE DEVELOPMENT OF OFFENDERS' STRENGTHS BY FACILITATING REHABILITATION AND REINTEGRATION PROCESSES. THE PURPOSE OF THE PRESENT STUDY WAS TO EXAMINE THE CORRELATION BETWEEN YOGA PRACTICE AND RECIDIVISM AMONG RELEASED PRISONERS WHO PARTICIPATED IN YOGA PROGRAMS DURING THEIR INCARCERATION IN COMPARISON WITH A MATCHED CONTROL GROUP OF THOSE WHO DID NOT PARTICIPATE IN YOGA PROGRAMS OVER A FOLLOW-UP PERIOD OF 5 YEARS. TO EXAMINE THE EFFECTIVENESS OF THE PROGRAM, PROPENSITY-SCORE MATCHING WAS USED TO COMPILE THE COMPARISON GROUP FROM AMONG ALL CONVICTED PRISONERS WHO WERE RELEASED FROM THE ISRAELI PRISONS. STUDY RESULTS INDICATE THAT YOGA MAY IMPACT RECIDIVISM, SUPPORTED BY A FINDING OF LOWER RECIDIVISM RATES AMONG RELEASED PRISONERS WHO HAD PRACTICED YOGA DURING THEIR INCARCERATION, COMPARED WITH THE MATCHED CONTROL GROUP. HOWEVER, FURTHER STUDY IS NEEDED INCLUDING RANDOMIZED CONTROLLED TRIALS (RCTS). IN LIGHT OF THESE POSITIVE RESULTS, WE RECOMMEND POLICY MAKERS CONSIDER INTRODUCING ALTERNATIVE PRACTICES SUCH AS YOGA IN PRISONS, IN RECOGNITION OF ITS CONTRIBUTION TO THE REHABILITATION PROCESS THROUGH THE DEVELOPMENT OF PERSONAL AND SOCIAL STRENGTHS. 2021 6 1298 27 HATHA YOGA AND VASCULAR FUNCTION: RESULTS FROM CROSS-SECTIONAL AND INTERVENTIONAL STUDIES. THE AIM OF THIS STUDY WAS TO DETERMINE THE EFFECT OF HATHA YOGA ON ARTERIAL ELASTICITY AND ENDOTHELIAL FUNCTION. FIRST, A CROSS-SECTIONAL STUDY WAS PERFORMED TO DETERMINE WHETHER YOGA PRACTITIONERS WOULD DEMONSTRATE GREATER ARTERIAL COMPLIANCE AND ENDOTHELIUM-DEPENDENT VASODILATION THAN THEIR SEDENTARY PEERS. SECOND, AN INTERVENTION STUDY INVOLVING 13 SEDENTARY MIDDLE-AGED AND OLDER ADULTS (51 +/- 7 YEARS) WAS PERFORMED TO DETERMINE WHETHER 12 WEEKS OF HATHA YOGA WOULD ELICIT INCREASES IN ARTERIAL COMPLIANCE AND ENDOTHELIAL FUNCTION. IN THE CROSS-SECTIONAL STUDY INVOLVING A TOTAL OF 34 SUBJECTS, THERE WERE NO GROUP DIFFERENCES IN BODY FATNESS, BLOOD LIPID AND LIPOPROTEIN CONCENTRATIONS, CAROTID ARTERY COMPLIANCE OR BRACHIAL ARTERY FLOW-MEDIATED DILATION (FMD). HEMOGLOBIN A1C WAS LOWER IN YOGA PRACTITIONERS THAN IN SEDENTARY ADULTS (P < 0.05). TOTAL CHOLESTEROL AND HEMOGLOBIN A1C DECREASED AFTER THE INTERVENTION (P < 0.05) WHILE CAROTID ARTERY COMPLIANCE AND BRACHIAL ARTERY FMD DID NOT CHANGE. THE RESULTS OF BOTH CROSS-SECTIONAL AND INTERVENTIONAL STUDIES INDICATE THAT REGULAR PRACTICE OF HATHA YOGA IS NOT ASSOCIATED WITH IMPROVEMENTS IN VASCULAR FUNCTIONS. 2013 7 2076 27 THE EFFECT OF BIKRAM YOGA ON ENDOTHELIAL FUNCTION IN YOUNG AND MIDDLE-AGED AND OLDER ADULTS. THE PURPOSE OF THIS INVESTIGATION WAS TO DETERMINE IF BIKRAM YOGA, A STYLE OF HEATED HATHA YOGA, WOULD IMPROVE ENDOTHELIAL FUNCTION IN YOUNG AND MIDDLE-AGED AND OLDER, HEALTHY ADULTS. THIS TRIAL WAS PERFORMED IN 36 YOUNG (N = 17) AND MIDDLE-AGED AND OLDER ADULTS (N = 19) WHO COMPLETED 3 WEEKLY BIKRAM YOGA CLASSES FOR 8 WEEKS. HEIGHT, BODY WEIGHT AND BODY COMPOSITION WERE DETERMINED AND ENDOTHELIAL FUNCTION WAS MEASURED NONINVASIVELY USING BRACHIAL ARTERY FLOW-MEDIATED DILATION (FMD) BEFORE AND AFTER THE INTERVENTION. NO CHANGES IN BODY WEIGHT, BMI OR BODY FAT PERCENTAGE OCCURRED AS A RESULT OF THE INTERVENTION IN EITHER GROUP. BRACHIAL ARTERY FMD WAS SIGNIFICANTLY INCREASED IN MIDDLE-AGED AND OLDER (P < 0.05) BUT NOT IN YOUNG ADULTS AS A RESULT OF THE INTERVENTION. THE RESULTS DEMONSTRATE THAT A RELATIVELY SHORT-TERM BIKRAM YOGA PRACTICE MIGHT SIGNIFICANTLY IMPROVE VASCULAR ENDOTHELIAL FUNCTION IN MIDDLE-AGED AND OLDER ADULTS. WHILE APPARENTLY HEALTHY INDIVIDUALS IN THIS STUDY EXPERIENCED NO ADVERSE EVENTS, THOSE WITH PREEXISTING CONDITIONS SHOULD TAKE CAUTION AND CONSULT WITH A PHYSICIAN PRIOR TO ENGAGING IN THIS STYLE OF YOGA. 2017 8 1631 26 MITIGATING THE ANTECEDENTS OF SPORTS-RELATED INJURY THROUGH YOGA. CONTEXT: INJURY RISK AMONG ATHLETES IS AN EPIDEMIC. THE PSYCHOLOGICAL AND PHYSICAL LOADS IMPOSED ON ATHLETES THROUGH PSYCHOSOCIAL STRESSORS AND TRAINING REGIMENS SIGNIFICANTLY INCREASE ATHLETES' INJURY RISK. AIMS: THIS FEASIBILITY STUDY ASSESSED WHETHER A 10-WEEK YOGA INTERVENTION COULD BE IMPLEMENTED SUCCESSFULLY AND MITIGATED ANTECEDENTS OF SPORTS INJURY. METHODS: USING A PROSPECTIVE, NONEXPERIMENTAL DESIGN, 31 MALE SOCCER PLAYERS ATTENDING A COLLEGE IN THE PACIFIC NORTHWEST ENROLLED IN THE YOGA INTERVENTION. THE RECOVERY-STRESS QUESTIONNAIRE FOR ATHLETES (RESTQ-SPORT) WAS COMPLETED AT THREE TIME-POINTS BEFORE AND AFTER THE YOGA INTERVENTION. THE RESTQ-SPORT SCALES, IDENTIFIED AS STRONGEST PREDICTORS FOR INJURY, WERE HYPOTHESIZED TO BE MITIGATED THROUGH YOGA. RESULTS: TWO STRESS-RELATED SCALES WERE SIGNIFICANT IN THE HYPOTHESIZED DIRECTION: INJURY AND FATIGUE. THE GENERAL RECOVERY SCALE, GENERAL WELL-BEING, WAS SIGNIFICANT AT ONE TIME-POINT, BUT IN THE OPPOSITE DIRECTION AS HYPOTHESIZED. CONCLUSIONS: POSITIVE FINDINGS ARE DISCUSSED AND EXPLANATIONS FOR UNEXPECTED CHANGES ARE EXPLORED, ALONG WITH STUDY LIMITATIONS. RESULTS SUGGEST THAT YOGA CAN BE SUCCESSFULLY INTEGRATED INTO THE ATHLETIC PROGRAM OF SOCCER PLAYERS AND PROVISIONALLY SUPPORT THE POTENTIAL OF A YOGA INTERVENTION TO MITIGATE TWO SIGNIFICANT ANTECEDENTS OF INJURY, NAMELY, PERCEPTION OF PROPENSITY TO SUSTAIN INJURY AND GENERALIZED FATIGUE. 2020 9 2072 38 THE EFFECT OF A SIX-WEEK PROGRAM OF YOGA AND MEDITATION ON BRACHIAL ARTERY REACTIVITY: DO PSYCHOSOCIAL INTERVENTIONS AFFECT VASCULAR TONE? BACKGROUND: CHRONIC STRESS IS ESTIMATED TO INCREASE THE RISK OF CARDIOVASCULAR (CV) EVENTS TWO-FOLD. ALTHOUGH STRESS REDUCTION HAS BEEN LINKED TO A REDUCTION IN CV EVENTS, LITTLE IS KNOWN REGARDING ITS EXACT MECHANISM OF BENEFIT. HYPOTHESIS: YOGA AND MEDITATION WILL IMPROVE PARAMETERS OF ENDOTHELIAL FUNCTION. METHODS: WE EXAMINED THE EFFECTS OF YOGA AND MEDITATION ON HEMODYNAMIC AND LABORATORY PARAMETERS AS WELL AS ON ENDOTHELIAL FUNCTION IN A 6-WEEK PILOT STUDY. SYSTOLIC AND DIASTOLIC BLOOD PRESSURES, HEART RATE, BODY MASS INDEX (BMI), FASTING GLUCOSE, LIPIDS, HS C-REACTIVE PROTEIN (CRP), AND ENDOTHELIAL FUNCTION (AS ASSESSED BY BRACHIAL ARTERY REACTIVITY) WERE ALL STUDIED AT BASELINE AND AFTER 6 WEEKS OF YOGA PRACTICE. RESULTS: A COURSE IN YOGA AND MEDITATION WAS GIVEN TO THE SUBJECTS FOR 1.5 H THREE TIMES WEEKLY FOR 6 WEEKS AND SUBJECTS WERE INSTRUCTED TO CONTINUE THEIR EFFORTS AT HOME. THIS PROSPECTIVE COHORT STUDY INCLUDED 33 SUBJECTS (MEAN AGE 55 +/- 11 YEARS) BOTH WITH (30%) AND WITHOUT (70%) ESTABLISHED CORONARY ARTERY DISEASE (CAD). THERE WERE SIGNIFICANT REDUCTIONS IN BLOOD PRESSURE, HEART RATE, AND BMI IN THE TOTAL COHORT WITH YOGA. NONE OF THE LABORATORY PARAMETERS CHANGED SIGNIFICANTLY WITH YOGA. FOR THE TOTAL COHORT THERE WAS NO SIGNIFICANT IMPROVEMENT IN ENDOTHELIAL-DEPENDENT VASODILATATION WITH YOGA TRAINING AND MEDITATION COMPARED WITH BASELINE (16.7% RELATIVE IMPROVEMENT FROM 7.2-8.4%; P = 0.3). IN THE GROUP WITH CAD, ENDOTHELIAL-DEPENDENT VASODILATATION IMPROVED 69% WITH YOGA TRAINING (6.38-10.78%; P = 0.09). CONCLUSION: YOGA AND MEDITATION APPEAR TO IMPROVE ENDOTHELIAL FUNCTION IN SUBJECTS WITH CAD. 2006 10 1377 25 IMPACT OF HOT YOGA ON ARTERIAL STIFFNESS AND QUALITY OF LIFE IN NORMAL AND OVERWEIGHT/OBESE ADULTS. BACKGROUND: OBESITY IS ASSOCIATED WITH ARTERIAL STIFFENING AND DIMINISHED QUALITY OF LIFE. BIKRAM YOGA MAY BE A FEASIBLE ALTERNATIVE TO TRADITIONAL EXERCISE AMONG OBESE INDIVIDUALS. ACCORDINGLY, THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE IMPACT OF BIKRAM YOGA, A HEATED STYLE OF HATHA YOGA, ON ARTERIAL STIFFNESS IN NORMAL AND OVERWEIGHT/OBESE ADULTS. METHODS: FORTY-THREE (23 NORMAL BODY MASS INDEX OR BMI; 20 OVERWEIGHT/OBESE) APPARENTLY HEALTHY PARTICIPANTS COMPLETED AN 8-WEEK BIKRAM YOGA INTERVENTION. BODY COMPOSITION WAS ESTIMATED VIA DUAL ENERGY X-RAY ABSORPTIOMETRY, ARTERIAL STIFFNESS WAS MEASURED VIA BRACHIALANKLE PULSE WAVE VELOCITY, AND HEALTH-RELATED QUALITY OF LIFE WAS ASSESSED VIA RAND 36-ITEM SHORT FORM SURVEY AT BASELINE AND AT THE END OF THE 8-WEEK INTERVENTION. RESULTS: AFTER THE INTERVENTION, BRACHIAL-ANKLE PULSE WAVE VELOCITY DECREASED (P < .05) IN OVERWEIGHT/OBESE PARTICIPANTS WHILE NO SUCH CHANGES WERE OBSERVED IN NORMAL BMI PARTICIPANTS. IN THE QUALITY OF LIFE MEASURES, EMOTIONAL WELL-BEING IMPROVED (P < .05) IN BOTH GROUPS, AND GENERAL HEALTH IMPROVED (P < .05) ONLY IN THE NORMAL WEIGHT BMI GROUP. CONCLUSION: BIKRAM YOGA AMELIORATES ARTERIAL STIFFNESS IN OVERWEIGHT/OBESE ADULTS AND CAN POSITIVELY IMPACT QUALITY OF LIFE REGARDLESS OF BMI. 2016 11 2075 30 THE EFFECT OF BIKRAM YOGA ON ARTERIAL STIFFNESS IN YOUNG AND OLDER ADULTS. BACKGROUND AND OBJECTIVE: BIKRAM YOGA IS THE MOST POPULAR FORM OF HOT YOGA, DESPITE THE LIMITED INFORMATION AVAILABLE ON ITS CARDIOVASCULAR BENEFITS. THIS STUDY SOUGHT TO DETERMINE THE EFFECT OF BIKRAM YOGA ON ARTERIAL STIFFNESS AND INSULIN RESISTANCE IN YOUNG AND OLDER ADULTS. METHODS: TWENTY-FOUR YOUNG (MEAN AGE+/-STANDARD DEVIATION, 30+/-1 YEARS) AND 18 MIDDLE-AGED AND OLDER (MEAN AGE, 53+/-2 YEARS) ADULTS COMPLETED AN 8-WEEK BIKRAM YOGA INTERVENTION. BIKRAM YOGA CLASSES WERE PERFORMED FOR 90 MINUTES PER SESSION, THREE TIMES PER WEEK, IN A ROOM HEATED TO 40.5 DEGREES C WITH 40%--60% RELATIVE HUMIDITY. RESULTS: BODY MASS, BODY FAT PERCENTAGE, BLOOD PRESSURE, AND FASTING BLOOD GLUCOSE AND TRIGLYCERIDE CONCENTRATIONS DID NOT SIGNIFICANTLY CHANGE AS A RESULT OF THE INTERVENTION IN EITHER THE YOUNG OR THE OLDER GROUP. TRUNK FLEXIBILITY, AS MEASURED BY THE SIT-AND-REACH TEST, INCREASED IN BOTH GROUPS (P<0.01). TOTAL (P<0.05) AND LOW-DENSITY LIPOPROTEIN CHOLESTEROL (P<0.05) LEVELS, PLASMA INSULIN CONCENTRATIONS (P<0.01), AND SCORES ON THE HOMEOSTATIC MODEL OF THE ASSESSMENT OF INSULIN RESISTANCE (P<0.01) DECREASED IN OLDER ADULTS, WHEREAS TOTAL AND HIGH-DENSITY LIPOPROTEIN CHOLESTEROL CONCENTRATIONS WERE REDUCED IN YOUNG ADULTS (ALL P<0.05). CAROTID ARTERY COMPLIANCE (P<0.05) WAS INCREASED AND BETA-STIFFNESS INDEX DECREASED IN YOUNG (P<0.05) BUT NOT IN OLDER ADULTS. CAROTID PULSE PRESSURE DID NOT SIGNIFICANTLY CHANGE IN EITHER GROUP. CONCLUSION: A RELATIVELY SHORT-TERM BIKRAM YOGA INTERVENTION IMPROVED ARTERIAL STIFFNESS IN YOUNG BUT NOT OLDER ADULTS AND SIGNIFICANTLY REDUCED INSULIN RESISTANCE INDEX IN OLDER BUT NOT YOUNG ADULTS. 2013 12 969 34 EFFECTS OF AN 8-MONTH YOGA INTERVENTION ON ARTERIAL COMPLIANCE AND MUSCLE STRENGTH IN PREMENOPAUSAL WOMEN. PREVIOUS STUDIES HAVE INDICATED THAT YOGA EXERCISE HAS A POSITIVE EFFECT ON REDUCING BLOOD PRESSURE AND HEART RATE. HOWEVER, NO RANDOMIZED CONTROLLED STUDIES TO DATE HAVE INVESTIGATED ITS EFFECTS ON ARTERIAL COMPLIANCE. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE EFFECTS OF AN 8-MONTH YOGA INTERVENTION ON ARTERIAL COMPLIANCE AND MUSCLE STRENGTH IN NORMAL PREMENOPAUSAL WOMEN 35-50 YEARS OF AGE. THIRTY-FOUR WOMEN WERE RANDOMLY ASSIGNED EITHER TO A YOGA EXERCISE GROUP (YE, N = 16) OR A CONTROL GROUP (CON, N = 18). PARTICIPANTS IN YE GROUP PERFORMED 60 MINUTES OF AN ASHTANGA YOGA SERIES 2 TIMES/WEEK WITH ONE DAY BETWEEN SESSIONS FOR 8 MONTHS. EACH YOGA SESSION CONSISTED OF 15 MINUTES OF WARM-UP EXERCISES, 35 MINUTES OF ASHTANGA YOGA POSTURES AND 10 MINUTES OF COOL-DOWN WITH RELAXATION; AND THE SESSION INTENSITY WAS PROGRESSIVELY INCREASED DURING THE 8 MONTHS. PARTICIPANTS IN CON WERE ENCOURAGED TO MAINTAIN THEIR NORMAL DAILY LIFESTYLES MONITORED BY THE BONE-SPECIFIC PHYSICAL ACTIVITY QUESTIONNAIRE AT 2 MONTH INTERVALS FOR 8 MONTHS. ARTERIAL COMPLIANCE (PULSE CONTOUR ANALYSIS) AND MUSCLE STRENGTH (1 REPETITION MAXIMUM) WERE ASSESSED AT BASELINE AND AFTER THE INTERVENTION. ARTERIAL COMPLIANCE OF THE LARGE AND SMALL ARTERIES WAS NOT AFFECTED BY THE 8 MONTH YOGA TRAINING (P > 0.05). ALSO, THERE WERE NO SIGNIFICANT (P > 0.05) GROUP, TIME, OR GROUP X TIME INTERACTION EFFECTS FOR CARDIOVASCULAR VARIABLES. YE GROUP SIGNIFICANTLY (P < 0.01) IMPROVED LEG PRESS MUSCLE STRENGTH COMPARED TO CON (11.4% VS. -6.5%). EIGHT MONTHS OF ASHTANGA YOGA TRAINING WAS BENEFICIAL FOR IMPROVING LEG PRESS STRENGTH, BUT NOT ARTERIAL COMPLIANCE IN PREMENOPAUSAL WOMEN. KEY POINTSTHE 8 MONTH YOGA TRAINING DID NOT AFFECT ARTERIAL COMPLIANCE OF THE LARGE AND SMALL ARTERIES.NONE OF THE CARDIOVASCULAR VARIABLES WERE CHANGED BY THE YOGA INTERVENTION.ISOTONIC MUSCLE STRENGTH WAS NOT ALTERED BY THE YOGA INTERVENTION, WITH THE EXCEPTION OF LEG PRESS. 2012 13 1353 26 IMMEDIATE EFFECT OF SPECIFIC NOSTRIL MANIPULATING YOGA BREATHING PRACTICES ON AUTONOMIC AND RESPIRATORY VARIABLES. THE EFFECT OF RIGHT, LEFT, AND ALTERNATE NOSTRIL YOGA BREATHING (I.E., RNYB, LNYB, AND ANYB, RESPECTIVELY) WERE COMPARED WITH BREATH AWARENESS (BAW) AND NORMAL BREATHING (CTL). AUTONOMIC AND RESPIRATORY VARIABLES WERE STUDIED IN 21 MALE VOLUNTEERS WITH AGES BETWEEN 18 AND 45 YEARS AND EXPERIENCE IN THE YOGA BREATHING PRACTICES BETWEEN 3 AND 48 MONTHS. SUBJECTS WERE ASSESSED IN FIVE EXPERIMENTAL SESSIONS ON FIVE SEPARATE DAYS. THE SESSIONS WERE IN FIXED POSSIBLE SEQUENCES AND SUBJECTS WERE ASSIGNED TO A SEQUENCE RANDOMLY. EACH SESSION WAS FOR 40 MIN; 30 MIN FOR THE BREATHING PRACTICE, PRECEDED AND FOLLOWED BY 5 MIN OF QUIET SITTING. ASSESSMENTS INCLUDED HEART RATE VARIABILITY, SKIN CONDUCTANCE, FINGER PLETHYSMOGRAM AMPLITUDE, BREATH RATE, AND BLOOD PRESSURE. FOLLOWING RNYB THERE WAS A SIGNIFICANT INCREASE IN SYSTOLIC, DIASTOLIC AND MEAN PRESSURE. IN CONTRAST, THE SYSTOLIC AND DIASTOLIC PRESSURE DECREASED AFTER ANYB AND THE SYSTOLIC AND MEAN PRESSURE WERE LOWER AFTER LNYB. HENCE, UNILATERAL NOSTRIL YOGA BREATHING PRACTICES APPEAR TO INFLUENCE THE BLOOD PRESSURE IN DIFFERENT WAYS. THESE EFFECTS SUGGEST POSSIBLE THERAPEUTIC APPLICATIONS. 2008 14 263 37 ACUTE CARDIOVASCULAR RESPONSES TO A SESSION OF BIKRAM YOGA: A PILOT UNCONTROLLED TRIAL. INTRODUCTION: MAIN CARDIOVASCULAR PARAMETERS SUCH AS HEART RATE (HR), BLOOD PRESSURE, AND MYOCARDIAL OXYGEN CONSUMPTION (MOC) ARE TIGHTLY REGULATED BY A MULTIFACTORIAL, NONLINEAR CONTROL SYSTEM. INCREASED HR BECAUSE OF PHYSICAL ACTIVITY IS OFTEN ACCOMPANIED BY AN INCREASE IN BLOOD PRESSURE. POSTURAL CHANGES HAVE AN EFFECT ON THE BARORECEPTORS, AND STRETCHING EXERCISES AND ISOMETRIC CONTRACTIONS MODULATE MUSCLE MECHANORECEPTORS ELICITING INCREASES IN BLOOD PRESSURE. HOWEVER, A HOT ENVIRONMENT INCREASES THE CORE TEMPERATURE INDUCING VASODILATION AND PLASMA VOLUME CHANGES THAT MIGHT CONTRIBUTE TO A DROP IN BLOOD PRESSURE. DURING THE PRACTICE OF BIKRAM YOGA, ALL THESE FACTORS CONVERGE AND LITTLE IS KNOWN ABOUT THE RESULTING CHANGES IN BLOOD PRESSURE AND MOC. METHODS: SIXTEEN APPARENTLY HEALTHY FEMALE VOLUNTEERS, REGULAR PRACTITIONERS OF BIKRAM YOGA, WERE EVALUATED DURING A 90 MIN SESSION. SYSTOLIC BLOOD PRESSURE (SBP) AND DIASTOLIC BLOOD PRESSURE (DBP) WERE MEASURED IMMEDIATELY AFTER EACH POSTURE AND HR WAS MEASURED CONTINUOUSLY DURING THE PRACTICE. RESULTS: HR AND ESTIMATED MOC INCREASED SIGNIFICANTLY OVER BASELINE DURING THE EXERCISE (+62.3% AND +63.6%, RESPECTIVELY). HR MEAN VALUE ACROSS THE ENTIRE BIKRAM YOGA SESSION WAS 126.6 +/- 14.3 BPM REACHING A MAXIMUM OF 168.1 +/- 20.2 BPM. SBP WAS NOT SIGNIFICANTLY INCREASED OVER BASELINE AT ANY TIME DURING THE PRACTICE WITH A MEAN VALUE OF 117.0 +/- 10.1 MMHG AND DBP WAS SIGNIFICANTLY DECREASED OVER BASELINE MOST OF THE TIME (-10.1%, MEAN 71.2 +/- 7.3 MMHG) WITH PARTICULAR DECLINE TOWARD THE END OF THE PRACTICE DURING THE FLOOR POSTURES. CONCLUSIONS: DBP DURING THE PRACTICE OF BIKRAM YOGA WAS SIGNIFICANTLY DIFFERENT FROM THAT PREVIOUSLY REPORTED FOR NONHEATED HATHA YOGA FOR NORMOTENSIVE SUBJECTS. FURTHER STUDIES EVALUATING THE SAME GROUP AT BOTH CONDITIONS ARE NEEDED TO BETTER CHARACTERIZE THE MAGNITUDE OF THE CHANGES IN HR, SBP, DBP, AND MOC. 2019 15 2816 30 YOGA TRAINING IMPROVES METABOLIC PARAMETERS IN OBESE BOYS. YOGA HAS BEEN KNOWN TO HAVE STIMULATORY OR INHIBITORY EFFECTS ON THE METABOLIC PARAMETERS AND TO BE UNCOMPLICATED THERAPY FOR OBESITY. THE PURPOSE OF THE PRESENT STUDY WAS TO TEST THE EFFECT OF AN 8-WEEK OF YOGA-ASANA TRAINING ON BODY COMPOSITION, LIPID PROFILE, AND INSULIN RESISTANCE (IR) IN OBESE ADOLESCENT BOYS. TWENTY VOLUNTEERS WITH BODY MASS INDEX (BMI) GREATER THAN THE 95TH PERCENTILE WERE RANDOMLY ASSIGNED TO YOGA (AGE 14.7+/-0.5 YEARS, N=10) AND CONTROL GROUPS (AGE 14.6+/-1.0 YEARS, N=10). THE YOGA GROUP PERFORMED EXERCISES THREE TIMES PER WEEK AT 40~60% OF HEART-RATE RESERVE (HRR) FOR 8 WEEKS. IR WAS DETERMINED WITH THE HOMEOSTASIS MODEL ASSESSMENT OF INSULIN RESISTANCE (HOMA-IR). AFTER YOGA TRAINING, BODY WEIGHT, BMI, FAT MASS (FM), AND BODY FAT % (BF %) WERE SIGNIFICANTLY DECREASED, AND FAT-FREE MASS AND BASAL METABOLIC RATE WERE SIGNIFICANTLY INCREASED THAN BASELINE VALUES. FM AND BF % WERE SIGNIFICANTLY IMPROVED IN THE YOGA GROUP COMPARED WITH THE CONTROL GROUP (P<0.05). TOTAL CHOLESTEROL (TC) WAS SIGNIFICANTLY DECREASED IN THE YOGA GROUP (P<0.01). HDL-CHOLESTEROL WAS DECREASED IN BOTH GROUPS (P<0.05). NO SIGNIFICANT CHANGES WERE OBSERVED BETWEEN OR WITHIN GROUPS FOR TRIGLYCERIDES, LDL-CHOLESTEROL, GLUCOSE, INSULIN, AND HOMA-IR. OUR FINDINGS SHOW THAT AN 8-WEEK OF YOGA TRAINING IMPROVES BODY COMPOSITION AND TC LEVELS IN OBESE ADOLESCENT BOYS, SUGGESTING THAT YOGA TRAINING MAY BE EFFECTIVE IN CONTROLLING SOME METABOLIC SYNDROME FACTORS IN OBESE ADOLESCENT BOYS. 2012 16 848 27 EFFECT OF YOGA ON SELF-RATED VISUAL DISCOMFORT IN COMPUTER USERS. BACKGROUND: 'DRY EYE' APPEARS TO BE THE MAIN CONTRIBUTOR TO THE SYMPTOMS OF COMPUTER VISION SYNDROME. REGULAR BREAKS AND THE USE OF ARTIFICIAL TEARS OR CERTAIN EYE DROPS ARE SOME OF THE OPTIONS TO REDUCE VISUAL DISCOMFORT. A COMBINATION OF YOGA PRACTICES HAVE BEEN SHOWN TO REDUCE VISUAL STRAIN IN PERSONS WITH PROGRESSIVE MYOPIA. THE PRESENT RANDOMIZED CONTROLLED TRIAL WAS PLANNED TO EVALUATE THE EFFECT OF A COMBINATION OF YOGA PRACTICES ON SELF-RATED SYMPTOMS OF VISUAL DISCOMFORT IN PROFESSIONAL COMPUTER USERS IN BANGALORE. METHODS: TWO HUNDRED AND NINETY ONE PROFESSIONAL COMPUTER USERS WERE RANDOMLY ASSIGNED TO TWO GROUPS, YOGA (YG, N = 146) AND WAIT LIST CONTROL (WL, N = 145). BOTH GROUPS WERE ASSESSED AT BASELINE AND AFTER SIXTY DAYS FOR SELF-RATED VISUAL DISCOMFORT USING A STANDARD QUESTIONNAIRE. DURING THESE 60 DAYS THE YG GROUP PRACTICED AN HOUR OF YOGA DAILY FOR FIVE DAYS IN A WEEK AND THE WL GROUP DID THEIR USUAL RECREATIONAL ACTIVITIES ALSO FOR AN HOUR DAILY FOR THE SAME DURATION. AT 60 DAYS THERE WERE 62 IN THE YG GROUP AND 55 IN THE WL GROUP. RESULTS: WHILE THE SCORES FOR VISUAL DISCOMFORT OF BOTH GROUPS WERE COMPARABLE AT BASELINE, AFTER 60 DAYS THERE WAS A SIGNIFICANTLY DECREASED SCORE IN THE YG GROUP, WHEREAS THE WL GROUP SHOWED SIGNIFICANTLY INCREASED SCORES. CONCLUSION: THE RESULTS SUGGEST THAT THE YOGA PRACTICE APPEARED TO REDUCE VISUAL DISCOMFORT, WHILE THE GROUP WHO HAD NO YOGA INTERVENTION (WL) SHOWED AN INCREASE IN DISCOMFORT AT THE END OF SIXTY DAYS. 2006 17 300 23 AN ASSESSMENT OF A SEQUENCE OF YOGA EXERCISES TO PATIENTS WITH ARTERIAL HYPERTENSION. THIS QUASI-EXPERIMENTAL STUDY DESCRIBES THE EFFECTS OF A YOGA SEQUENCE FOLLOWING HEMODYNAMIC AND BIOCHEMICAL PARAMETERS IN PATIENTS WITH HYPERTENSION. THIRTY-THREE VOLUNTEERS PARTICIPATED IN THE STUDY (CONTROL = 16 AND YOGA = 17) FOR FOUR MONTHS. BLOOD PRESSURE MEASUREMENTS, CARDIAC AND RESPIRATORY RATE WERE COLLECTED MONTHLY, WHILE THE BIOCHEMICAL PROFILE WAS TAKEN AT THE BEGINNING AND END OF THE PROGRAM. TO ANALYZE THE DATA, STUDENT'S T TEST AND REPEATED MEASURES ANALYSES WERE PERFORMED. THE YOGA GROUP SHOWED A SIGNIFICANT REDUCTION OF SYSTOLIC BLOOD PRESSURE, HEART AND RESPIRATORY RATE (P < 0.05). AS FOR THE BIOCHEMICAL PROFILE, THE YOGA GROUP SHOWED CORRELATION COEFFICIENTS BETWEEN INITIAL VALUES AND FINAL RESPONSES GREATER THAN THE CONTROL OF FASTING GLUCOSE, TOTAL CHOLESTEROL, LDL-CHOLESTEROL AND TRIGLYCERIDES. THE ELABORATED SEQUENCE PRACTICE PROMOTED SIGNIFICANT CARDIOVASCULAR AND METABOLIC BENEFITS. THE YOGA EXERCISES PERFORMED IN THE PROPOSED SEQUENCE CONSTITUTE COMPLEMENTARY NON-PHARMACOLOGICAL CONTROL OF BLOOD PRESSURE IN PATIENTS WITH HYPERTENSION. 2013 18 966 33 EFFECTS OF A YOGA-BASED STRESS INTERVENTION PROGRAM ON THE BLOOD PRESSURE OF YOUNG POLICE OFFICERS: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: DESPITE IMPROVEMENTS IN HEALTH EDUCATION AND TREATMENT, ARTERIAL HYPERTENSION REMAINS A MAJOR HEALTH PROBLEM OF INCREASING EPIDEMIOLOGICAL IMPORTANCE. THE PURPOSE OF THIS RANDOMIZED CONTROLLED TRIAL WAS TO DETERMINE THE IMPACT OF REGULAR YOGA BREATHING EXERCISES ON BLOOD PRESSURE, WORK-RELATED STRESS, AND THE PREVALENCE OF ARTERIAL HYPERTENSION IN YOUNG POLICE ACADEMY TRAINEES WITH NO EXISTING COMORBIDITIES. DESIGN: A SINGLE-CENTER, PROSPECTIVE, RANDOMIZED CONTROLLED TRIAL. SUBJECTS: THE STUDY INCLUDED 120 HEALTHY TRAINEES AGED BETWEEN 18 AND 39 YEARS WHO PRACTICED WEEKLY YOGA EXERCISES WITH AN EMPHASIS ON BREATHING (PRANAYAMA) OVER AN OBSERVATION PERIOD OF 6 MONTHS. RESULTS: THESE REGULAR EXERCISES LOWERED THE BLOOD PRESSURE OF THE PARTICIPANTS BY 1.34 MMHG (RIGHT ARM, P = 0.007), INCREASED THEIR REGENERATIVE CAPACITY (RECOVERY EXPERIENCE QUESTIONNAIRE [REQ] SCALE +2.77, P < 0.001) AND RESILIENCE (RESILIENCE SCALE [RS] +4.6, P = 0.001), AND CONCOMITANTLY REDUCED THE LEVEL OF PERCEIVED STRESS (PERCEIVED STRESS SCALE [PSS] -0.9, P < 0.001). IN CONTRAST, BLOOD PRESSURE IN THE CONTROL GROUP HAD SLIGHTLY INCREASED OVER THE STUDY PERIOD BY 0.1 MMHG (RIGHT ARM, P < 0.001) AND 1.0 MMHG (LEFT ARM, P = 0.03), AND SUBJECTIVE SCORES HAD SIGNIFICANTLY WORSENED (REQ SCALE -3.4, P < 0.001; RS -2.29, P = 0.001; PSS +0.88, P < 0.001). CONCLUSIONS: THE RESULTS POINT TO A SIGNIFICANT CORRELATION BETWEEN BLOOD PRESSURE AND BOTH REGENERATIVE CAPACITY AND STRESS LEVEL. THUS, THE STUDY CONFIRMS THE HYPOTHESIS THAT YOGA EXERCISES REDUCE PERCEIVED STRESS AND EXERT POSITIVE EFFECTS ON BLOOD PRESSURE. CLINICAL TRIAL REGISTRATION NUMBER: DRKS00025921. 2022 19 1814 27 PROGRESSIVE INCREASE IN CRITICAL FLICKER FUSION FREQUENCY FOLLOWING YOGA TRAINING. THE CRITICAL FLICKER FUSION FREQUENCY (CFF) IS THE FREQUENCY AT WHICH A FLICKERING STIMULUS IS PERCEIVED TO BE STEADY, WITH HIGHER VALUES SUGGESTING GREATER PERCEPTUAL ACCURACY. THE CFF WAS MEASURED IN TWO AGE-MATCHED GROUPS OF HEALTHY MALE VOLUNTEERS WHOSE AGES RANGED FROM 25 TO 39 YEARS, WITH 18 SUBJECTS IN EACH GROUP. AFTER BASELINE ASSESSMENTS ONE GROUP (YOGA GROUP) RECEIVED YOGA TRAINING, WHILE THE OTHER GROUP (CONTROL GROUP) CARRIED ON WITH THEIR ROUTINE ACTIVITIES. YOGA PRACTICES INCLUDED ASANAS, PRANAYAMAS, KRIYAS, MEDITATION, DEVOTIONAL SESSIONS AND LECTURES ON THE THEORY OF YOGA. AFTER 10 DAYS NEITHER GROUP SHOWED A CHANGE IN CFF. HOWEVER, AT 20 AND AT 30 DAYS THE YOGA GROUP SHOWED SIGNIFICANT INCREASES IN CFF BY 11.1% AND 14.9%, RESPECTIVELY (TWO FACTOR ANOVA, TUKEY MULTIPLE COMPARISON TEST). THE CONTROL GROUP SHOWED NO CHANGE AT THE DAY 20 AND DAY 30 FOLLOWUP. 1997 20 1427 25 IMPROVEMENTS IN GLUCOSE TOLERANCE WITH BIKRAM YOGA IN OLDER OBESE ADULTS: A PILOT STUDY. BIKRAM YOGA IS AN EXOTIC FORM OF PHYSICAL ACTIVITY COMBINING HATHA YOGA AND THERMAL THERAPY THAT COULD POSITIVELY IMPACT METABOLIC HEALTH. ALTHOUGH THIS INCREASINGLY POPULAR ALTERNATIVE EXERCISE MAY BE IDEAL FOR OBESE ADULTS DUE TO ITS LOW IMPACT NATURE, FEW STUDIES HAVE ELUCIDATED THE HEALTH BENEFITS ASSOCIATED WITH IT. AS AN INITIAL STEP, WE DETERMINED THE EFFECT OF BIKRAM YOGA ON GLUCOSE TOLERANCE. FOURTEEN YOUNG LEAN AND 15 OLDER OBESE SUBJECTS COMPLETED AN 8-WEEK BIKRAM YOGA INTERVENTION IN WHICH CLASSES WERE COMPLETED 3 TIMES PER WEEK. GLUCOSE TOLERANCE WAS ASSESSED USING A 75 G ORAL GLUCOSE TOLERANCE TEST. THE AREA UNDER THE GLUCOSE CURVE FOLLOWING THE ORAL GLUCOSE TOLERANCE TEST WAS SIGNIFICANTLY REDUCED AS A RESULT OF THE BIKRAM YOGA INTERVENTION IN OLDER OBESE (P < 0.05) BUT NOT IN YOUNG LEAN SUBJECTS. WE CONCLUDED THAT A SHORT-TERM BIKRAM YOGA INTERVENTION IMPROVED GLUCOSE TOLERANCE IN OLDER OBESE, BUT NOT IN YOUNG LEAN ADULTS. 2013