1 1699 172 PARTICIPANT CHARACTERISTICS ASSOCIATED WITH SYMPTOMATIC IMPROVEMENT FROM YOGA FOR CHRONIC LOW BACK PAIN. CONTEXT: STUDIES SUGGEST THAT YOGA IS EFFECTIVE FOR MODERATE TO SEVERE CHRONIC LOW BACK PAIN (CLBP) IN DIVERSE PREDOMINANTLY LOWER SOCIOECONOMIC STATUS POPULATIONS. HOWEVER, LITTLE IS KNOWN ABOUT FACTORS ASSOCIATED WITH BENEFIT FROM THE YOGA INTERVENTION. OBJECTIVE: IDENTIFY FACTORS AT BASELINE INDEPENDENTLY ASSOCIATED WITH GREATER EFFICACY AMONG PARTICIPANTS IN A STUDY OF YOGA FOR CLBP. DESIGN: FROM SEPTEMBER-DECEMBER 2011, A 12-WEEK RANDOMIZED DOSING TRIAL WAS CONDUCTED COMPARING WEEKLY VS. TWICE-WEEKLY 75-MINUTE HATHA YOGA CLASSES FOR 95 PREDOMINANTLY LOW-INCOME MINORITY ADULTS WITH NONSPECIFIC CLBP. PARTICIPANT CHARACTERISTICS COLLECTED AT BASELINE WERE USED TO DETERMINE FACTORS BEYOND TREATMENT ASSIGNMENT (REPORTED IN THE INITIAL STUDY) THAT PREDICTED OUTCOME. WE USED BIVARIATE TESTING TO IDENTIFY BASELINE CHARACTERISTICS ASSOCIATED WITH IMPROVEMENT IN FUNCTION AND PAIN, AND INCLUDED SELECT FACTORS IN A MULTIVARIATE LINEAR REGRESSION. SETTING: RECRUITMENT AND CLASSES OCCURRED IN AN ACADEMIC SAFETY-NET HOSPITAL AND FIVE AFFILIATED COMMUNITY HEALTH CENTERS IN BOSTON, MASSACHUSETTS. PARTICIPANTS: NINETY-FIVE ADULTS WITH NONSPECIFIC CLBP, AGES RANGING FROM 20-64 (MEAN 48) YEARS; 72 WOMEN AND 23 MEN. OUTCOME MEASURES: PRIMARY OUTCOMES WERE CHANGES IN BACK-RELATED FUNCTION (MODIFIED ROLAND-MORRIS DISABILITY QUESTIONNAIRE, RMDQ; 0-23) AND MEAN LOW BACK PAIN INTENSITY (0-10) IN THE PREVIOUS WEEK, FROM BASELINE TO WEEK 12. RESULTS: ADJUSTING FOR GROUP ASSIGNMENT, BASELINE RMDQ, AGE, AND GENDER, FOREIGN NATIONALITY AND LOWER BASELINE SF36 PHYSICAL COMPONENT SCORE (PCS) WERE INDEPENDENTLY ASSOCIATED WITH IMPROVEMENT IN RMDQ. GREATER THAN HIGH SCHOOL EDUCATION LEVEL, CLBP LESS THAN 1 YEAR, AND LOWER BASELINE SF36 PCS WERE INDEPENDENTLY ASSOCIATED WITH IMPROVEMENT IN PAIN INTENSITY. OTHER DEMOGRAPHICS INCLUDING RACE, INCOME, GENDER, BMI, AND USE OF PAIN MEDICATIONS WERE NOT ASSOCIATED WITH EITHER OUTCOME. CONCLUSIONS: POOR PHYSICAL HEALTH AT BASELINE IS ASSOCIATED WITH GREATER IMPROVEMENT FROM YOGA IN BACK-RELATED FUNCTION AND PAIN. RACE, INCOME, AND BODY MASS INDEX DO NOT AFFECT THE POTENTIAL FOR A PERSON WITH LOW BACK PAIN TO EXPERIENCE BENEFIT FROM YOGA. 2014 2 419 45 BREATHING-FOCUSED YOGA INTERVENTION ON RESPIRATORY DECLINE IN CHRONICALLY PESTICIDE-EXPOSED FARMERS: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: OCCUPATIONAL EXPOSURE TO PESTICIDES HAS BEEN ASSOCIATED WITH LUNG AND COGNITIVE FUNCTION EXACERBATIONS. IN THE PRESENT STUDY, WE TESTED THE EFFECTIVENESS OF BREATHING FOCUSED YOGA INTERVENTION ON ALLEVIATION OF ADVERSE RESPIRATORY AND COGNITIVE EFFECTS ASSOCIATED WITH CHRONIC PESTICIDE EXPOSURE IN FARMERS. METHODS: WE UNDERTOOK A PARALLEL, TWO-ARMED RANDOMIZED CONTROLLED TRIAL WITH BLINDED OUTCOME ASSESSORS ON A CHRONICALLY PESTICIDE-EXPOSED FARMING POPULATION. THE STUDY WAS CONDUCTED AT DISTRICT PANIPAT, STATE HARYANA LOCATED IN THE NORTHERN PART OF INDIA FROM NOVEMBER 2019 TO AUGUST 2020. A TOTAL OF 634 FARMERS WERE SCREENED, AND 140 FARMERS WERE RANDOMIZED TO BREATHING-FOCUSED YOGA INTERVENTION (BFY, N = 70) AND WAITLIST CONTROL ARMS (N = 65). BFY WAS DELIVERED WEEKLY IN 45-MIN GROUP SESSIONS OVER 12 WEEKS FOLLOWED BY HOME-BASED PRACTICE. THE PRIMARY OUTCOME WAS THE CHANGE IN SPIROMETRY-BASED MARKERS OF PULMONARY FUNCTION FROM BASELINE EXPRESSED AS RAW VALUES, GLOBAL LUNG INITIATIVE (GLI) PERCENT PREDICTED (PP), AND GLI Z-SCORES AFTER 24 WEEKS OF INTERVENTION. SECONDARY VARIABLES WERE TRAIL MAKING TESTS (TMT A AND B), DIGIT SYMBOL SUBSTITUTION (DSST), AND WHO QUALITY OF LIFE-BREF (WHOQOL-BREF). ANALYSIS WAS BY INTENTION-TO-TREAT. MEDIATION ANALYSIS WAS DONE CONSIDERING OXIDATIVE STRESS MARKERS AS POTENTIAL MEDIATORS. RESULTS: AT THE END OF 6 MONTHS OF INTERVENTION, THE OVERALL FOLLOW-UP IN THE PARTICIPANTS WAS 87.85% (N = 123); 90% (N = 63) IN THE CONTROL GROUP, AND 85.71% IN THE YOGA GROUP (N = 60). THE MEAN AGE OF THE STUDY COHORT (N = 140) WAS 38.75 (SD = 7.50) YEARS. COMPARED WITH THE CONTROL GROUP, AT 24 WEEKS POST-INTERVENTION, THE BFY GROUP HAD SIGNIFICANTLY IMPROVED STATUS OF THE RAW SAND Z SCORES MARKERS OF AIRWAY OBSTRUCTION, AFTER ADJUSTING FOR CONFOUNDERS, FEV1, FVC, FEF25-75 [Z SCORE-ADJUSTED MEAN DIFFERENCES (95% CI); 1.66 (1.10-2.21) 1.88 (1.21-2.55), AND 6.85 (5.12-8.57), RESPECTIVELY. A FRACTION OF FEF25-75 CHANGE (MEDIATION PERCENTAGE 23.95%) WAS EXPLAINED BY GLUTATHIONE AUGMENTATION. THERE WERE ALSO SIGNIFICANT IMPROVEMENTS IN COGNITIVE SCORES OF DSST, TMT-A AND TMT-B, AND WHOQOL-BREF. CONCLUSION: IN CONCLUSION, REGULAR PRACTICE OF BFY COULD IMPROVE THE EXACERBATIONS IN THE MARKERS OF AIRWAY OBSTRUCTION IN CHRONICALLY PESTICIDE-EXPOSED FARMERS AND COGNITIVE VARIABLES. A SIGNIFICANT MEDIATING EFFECT OF GLUTATHIONE AUGMENTATION WAS ALSO OBSERVED CONCERNING THE EFFECT OF THE INTERVENTION ON FEF25-75. THESE FINDINGS PROVIDE AN IMPORTANT PIECE OF BENEFICIAL EVIDENCE OF THE BREATHING-BASED YOGA INTERVENTION THAT NEEDS VALIDATION ACROSS DIFFERENT FARMING ETHNICITIES.CLINICAL TRIAL REGISTRATION:WWW.CLINICALTRIALS.GOV, IDENTIFIER: CTRI/2019/11/021989. 2022 3 2054 39 THE ASSOCIATION OF SUDARSHAN KRIYA YOGA FREQUENCY WITH SLEEP QUALITY: A CROSS-SECTIONAL STUDY FROM SINGAPORE. PURPOSE: THERE IS A DEARTH OF EVIDENCE FOR THE RELATIONSHIP BETWEEN YOGIC BREATHING AND SLEEP QUALITY. EVEN LESS IS KNOWN ABOUT PRACTICE FREQUENCY AND BENEFIT. WE INVESTIGATED THE ASSOCIATION OF SUDARSHAN KRIYA YOGA FREQUENCY WITH SLEEP QUALITY AMONGST ADULT PRACTITIONERS. METHODS: IN A CROSS-SECTIONAL INVESTIGATION ON ADULT PRACTITIONERS OF SUDARSHAN KRIYA YOGA IN SINGAPORE, THE PITTSBURGH SLEEP QUALITY INDEX (PSQI) WAS USED TO ASSESS SLEEP QUALITY. SLEEP QUALITY WAS EXAMINED ACROSS THREE CATEGORIES OF PRACTICE FREQUENCY (MONTHLY, WEEKLY, DAILY). A MULTIVARIATE LOGISTIC REGRESSION MODEL WAS USED TO DETERMINE ASSOCIATION. RESULTS: OF 385 ADULTS (241 WOMEN), THE MEAN AGE (SD) WAS 42.5 (9.9) YEARS. IN TOTAL, 32% OF THE SAMPLE (N = 124) WAS IDENTIFIED AS HAVING POOR SQ. AFTER ADJUSTING FOR STUDY COVARIATES, INDEPENDENT ANALYSES REVEALED AN INVERSE ASSOCIATION FOR HIGHER FREQUENCY OF PRACTICE AND LOWER ODDS OF POOR SQ (OR = 0.52; 95% CI = 0.28-0.94). THE P FOR TREND WAS 0.03. CONCLUSION: THE PRACTICE OF YOGIC BREATHING MAY BENEFIT SLEEP QUALITY. FURTHER EXPERIMENTAL INVESTIGATIONS ARE WARRANTED. 2021 4 2434 34 YOGA AND PILATES: ASSOCIATIONS WITH BODY IMAGE AND DISORDERED-EATING BEHAVIORS IN A POPULATION-BASED SAMPLE OF YOUNG ADULTS. OBJECTIVE: TO EXAMINE ASSOCIATIONS BETWEEN PARTICIPATING IN MIND-BODY ACTIVITIES (YOGA/PILATES) AND BODY DISSATISFACTION AND DISORDERED EATING (UNHEALTHY AND EXTREME WEIGHT CONTROL PRACTICES AND BINGE EATING) IN A POPULATION-BASED SAMPLE OF YOUNG ADULTS. METHOD: THE SAMPLE INCLUDED 1,030 YOUNG MEN AND 1,257 YOUNG WOMEN (MEAN AGE: 25.3 YEARS, SD = 1.7) WHO PARTICIPATED IN PROJECT EAT-III (EATING AND ACTIVITY IN TEENS AND YOUNG ADULTS). RESULTS: AMONG WOMEN, DISORDERED EATING WAS PREVALENT IN YOGA/PILATES PARTICIPANTS AND NONPARTICIPANTS, WITH NO DIFFERENCES BETWEEN THE GROUPS. MEN PARTICIPATING IN YOGA/PILATES WERE MORE LIKELY TO USE EXTREME WEIGHT CONTROL BEHAVIORS (18.6% VS. 6.8%, P = .006) AND BINGE EATING (11.6% VS. 4.2%, P = .023), AND MARGINALLY MORE LIKELY TO USE UNHEALTHY WEIGHT CONTROL BEHAVIORS (49.1% VS. 34.5%; P = .053), THAN NONPARTICIPANTS AFTER ADJUSTING FOR SOCIODEMOGRAPHICS, WEIGHT STATUS, AND OVERALL PHYSICAL ACTIVITY. DISCUSSION: FINDINGS SUGGEST THE IMPORTANCE OF HELPING YOGA/PILATES INSTRUCTORS RECOGNIZE THAT THEIR STUDENTS MAY BE AT RISK FOR DISORDERED EATING. 2011 5 2733 36 YOGA PARTICIPATION AND ALL-CAUSE MORTALITY: NATIONAL PROSPECTIVE COHORT STUDY. BACKGROUND: THE RELATIVELY FEW STUDIES EXAMINING THE EFFECT OF YOGA PARTICIPATION ON CHRONIC DISEASE COME FROM SMALL, SHORT-TERM STUDIES. AS A RESULT, THE PURPOSE OF THIS STUDY WAS TO PROSPECTIVELY EXAMINE THE EFFECTS OF YOGA PARTICIPATION ON ALL-CAUSE MORTALITY IN A LARGE NATIONALLY REPRESENTATIVE STUDY WITH A RELATIVELY LONG FOLLOW-UP PERIOD (UP TO 12 YEAR FOLLOW-UP). METHODS: DATA FROM THE 1999-2006 NATIONAL HEALTH & NUTRITION EXAMINATION SURVEY WERE USED, WITH FOLLOW-UP THROUGH 2011. YOGA PARTICIPATION WAS SELF-REPORTED, WITH PARTICIPANT IDENTIFICATION LINKED TO DEATH CERTIFICATE DATA FROM THE NATIONAL DEATH INDEX TO ASCERTAIN MORTALITY STATUS. RESULTS: IN THE ANALYZED SAMPLE, WHICH INCLUDED 22,598 ADULT PARTICIPANTS, 240 PARTICIPANTS ENGAGED IN YOGA AND 3176 DIED OVER THE FOLLOW-UP PERIOD; THE MEDIAN FOLLOW-UP PERIOD WAS 102 MONTHS (8.5 YEARS). IN AN UNADJUSTED COX HAZARD MODEL, THOSE ENGAGING IN YOGA, COMPARED TO THOSE NOT ENGAGING IN YOGA, HAD A 63% REDUCED RISK OF PREMATURE ALL-CAUSE MORTALITY (HR=0.37; 95% CI: 0.18-0.74; P=.006). HOWEVER, AFTER ADJUSTING FOR AGE, THE ASSOCIATION WAS ATTENUATED AND NO LONGER STATISTICALLY SIGNIFICANT (HR(ADJUSTED)=0.82; 95% CI: 0.39-1.72; P=.60). CONCLUSION: IN CONCLUSION, YOGA PARTICIPATION WAS NOT SIGNIFICANTLY ASSOCIATED WITH REDUCED ALL-CAUSE MORTALITY RISK IN AN ADJUSTED MODEL. 2015 6 2391 38 YOGA AND BODY IMAGE: FINDINGS FROM A LARGE POPULATION-BASED STUDY OF YOUNG ADULTS. THIS STUDY EXPLORED THE POTENTIAL FOR YOGA TO PROMOTE BODY SATISFACTION IN A GENERAL POPULATION OF YOUNG ADULTS. THE SAMPLE INCLUDED 1664 PARTICIPANTS (M AGE: 31.1, SD=1.6YEARS) IN PROJECT EAT, A 15-YEAR LONGITUDINAL STUDY. DATA FROM THE THIRD AND FOURTH WAVES (EAT-III AND EAT-IV), COLLECTED FIVE YEARS APART, WERE UTILIZED. PRACTICING YOGA (>/=30MIN/WEEK) WAS REPORTED BY 16.2% OF YOUNG ADULTS. AFTER ADJUSTING FOR EAT-III BODY SATISFACTION AND BODY MASS INDEX, YOGA PRACTITIONERS HAD HIGHER CONCURRENT BODY SATISFACTION AT EAT-IV THAN THOSE NOT PRACTICING YOGA (DIFFERENCE: 1.5 UNITS [95% CI: 0.1-2.8], P=.03). AMONG PARTICIPANTS WITHIN THE LOWEST QUARTILE OF PRIOR (EAT-III) BODY SATISFACTION, THERE WAS PRELIMINARY EVIDENCE THAT BODY SATISFACTION AT EAT-IV WAS HIGHER AMONG YOGA PRACTITIONERS THAN IN OTHER YOUNG ADULTS. FINDINGS SUGGEST THAT YOGA MAY BE ASSOCIATED WITH IMPROVED BODY SATISFACTION, PARTICULARLY AMONG YOUNG ADULTS WITH LOW PRIOR BODY SATISFACTION. 2018 7 2917 38 [THE EFFECT OF YOGA EXERCISE INTERVENTION ON HEALTH RELATED PHYSICAL FITNESS IN SCHOOL-AGE ASTHMATIC CHILDREN]. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE EFFECT OF YOGA EXERCISE ON THE HEALTH-RELATED PHYSICAL FITNESS OF SCHOOL-AGE CHILDREN WITH ASTHMA. THE STUDY EMPLOYED A QUASI-EXPERIMENTAL RESEARCH DESIGN IN WHICH 31 VOLUNTARY CHILDREN (EXERCISE GROUP 16; CONTROL GROUP15) AGED 7 TO 12 YEARS WERE PURPOSIVELY SAMPLED FROM ONE PUBLIC ELEMENTARY SCHOOL IN TAIPEI COUNTY. THE YOGA EXERCISE PROGRAM WAS PRACTICED BY THE EXERCISE GROUP THREE TIMES PER WEEK FOR A CONSECUTIVE 7 WEEK PERIOD. EACH 60-MINUTE YOGA SESSION INCLUDED 10 MINUTES OF WARM-UP AND BREATHING EXERCISES, 40 MINUTES OF YOGA POSTURES, AND 10 MINUTES OF COOL DOWN EXERCISES. FITNESS SCORES WERE ASSESSED AT PRE-EXERCISE (BASELINE) AND AT THE SEVENTH AND NINTH WEEK AFTER INTERVENTION COMPLETION. A TOTAL OF 30 SUBJECTS (EXERCISE GROUP 16; CONTROL GROUP 14) COMPLETED FOLLOW-UP. RESULTS INCLUDED: 1. COMPARED WITH CHILDREN IN THE GENERAL POPULATION, THE STUDY SUBJECTS (N = 30) ALL FELL BELOW THE 50TH PERCENTILE IN ALL FIVE PHYSICAL FITNESS ITEMS OF INTEREST. THERE WAS NO SIGNIFICANT DIFFERENCE IN SCORES BETWEEN THE TWO GROUPS AT BASELINE (I.E., PRE-EXERCISE) FOR ALL FIVE FITNESS ITEMS. 2. RESEARCH FOUND A POSITIVE ASSOCIATION BETWEEN EXERCISE HABIT AFTER SCHOOL AND MUSCULAR STRENGTH AND ENDURANCE AMONG ASTHMATIC CHILDREN. 3. COMPARED TO THE CONTROL GROUP, THE EXERCISE GROUP SHOWED FAVORABLE OUTCOMES IN TERMS OF FLEXIBILITY AND MUSCULAR ENDURANCE. SUCH FAVORABLE OUTCOMES REMAINED EVIDENT EVEN AFTER ADJUSTING FOR AGE, DURATION OF DISEASE AND STEROID USE, VALUES FOR WHICH WERE UNEQUALLY DISTRIBUTED BETWEEN THE TWO GROUPS AT BASELINE. 4. THERE WAS A TENDENCY FOR ALL ITEM-SPECIFIC FITNESS SCORES TO INCREASE OVER TIME IN THE EXERCISE GROUP. THE GEE ANALYSIS SHOWED THAT YOGA EXERCISE INDEED IMPROVED BMI, FLEXIBILITY, AND MUSCULAR ENDURANCE. AFTER 2 WEEKS OF SELF-PRACTICE AT HOME, YOGA EXERCISE CONTINUED TO IMPROVE BMI, FLEXIBILITY, MUSCULAR STRENGTH, AND CARDIOPULMONARY FITNESS. 2009 8 671 43 EFFECT OF A GENTLE IYENGAR YOGA PROGRAM ON GAIT IN THE ELDERLY: AN EXPLORATORY STUDY. OBJECTIVE: TO DETERMINE IF A TAILORED YOGA PROGRAM COULD IMPROVE AGE-RELATED CHANGES IN HIP EXTENSION, STRIDE LENGTH, AND ASSOCIATED INDICES OF GAIT FUNCTION IN HEALTHY ELDERS, CHANGES THAT HAVE BEEN LINKED TO INCREASED RISK FOR FALLS, DEPENDENCY, AND MORTALITY IN GERIATRIC POPULATIONS. DESIGN: SINGLE GROUP PRE-POST TEST EXPLORATORY STUDY. A 3-DIMENSIONAL QUANTITATIVE GAIT EVALUATION, INCLUDING KINEMATIC AND KINETIC MEASUREMENTS, WAS PERFORMED PRE- AND POSTINTERVENTION. CHANGES OVER TIME (BASELINE TO POSTINTERVENTION) IN PRIMARY AND SECONDARY OUTCOME VARIABLES WERE ASSESSED USING REPEATED-MEASURES ANALYSIS OF VARIANCE. SETTING: YOGA EXERCISES WERE PERFORMED IN AN ACADEMIC MEDICAL CENTER (GROUP CLASSES) AND IN THE SUBJECTS' HOMES (YOGA HOME-PRACTICE ASSIGNMENTS). PRE- AND POSTASSESSMENTS WERE PERFORMED IN A GAIT LABORATORY. PARTICIPANTS: TWENTY-THREE HEALTHY ADULTS (AGE RANGE, 62-83 Y) WHO WERE NAIVE TO YOGA WERE RECRUITED; 19 PARTICIPANTS COMPLETED THE PROGRAM. INTERVENTION: AN 8-WEEK IYENGAR HATHA YOGA PROGRAM SPECIFICALLY TAILORED TO ELDERLY PERSONS AND DESIGNED TO IMPROVE LOWER-BODY STRENGTH AND FLEXIBILITY. PARTICIPANTS ATTENDED TWO 90-MINUTE YOGA CLASSES PER WEEK, AND WERE ASKED TO COMPLETE AT LEAST 20 MINUTES OF DIRECTED HOME PRACTICE ON ALTERNATE DAYS. MAIN OUTCOME MEASURES: PEAK HIP EXTENSION, AVERAGE ANTERIOR PELVIC TILT, AND STRIDE LENGTH AT COMFORTABLE WALKING SPEED. RESULTS: PEAK HIP EXTENSION AND STRIDE LENGTH SIGNIFICANTLY INCREASED (F1,18=15.44, P<.001; F1,18=5.57, P=.03, RESPECTIVELY). WE ALSO OBSERVED A TREND TOWARD REDUCED AVERAGE PELVIC TILT (F1,18=4.10, P=.06); ADJUSTING FOR THE MODIFYING INFLUENCE OF FREQUENCY OF HOME YOGA PRACTICE STRENGTHENED THE SIGNIFICANCE OF THIS ASSOCIATION (ADJUSTED F1,17=14.30, P=.001). BOTH THE FREQUENCY AND DURATION OF YOGA HOME PRACTICE SHOWED A STRONG, LINEAR, DOSE-RESPONSE RELATIONSHIP TO CHANGES IN HIP EXTENSION AND AVERAGE PELVIC TILT. CONCLUSIONS: FINDINGS OF THIS EXPLORATORY STUDY SUGGEST THAT YOGA PRACTICE MAY IMPROVE HIP EXTENSION, INCREASE STRIDE LENGTH, AND DECREASE ANTERIOR PELVIC TILT IN HEALTHY ELDERS, AND THAT YOGA PROGRAMS TAILORED TO ELDERLY ADULTS MAY OFFER A COST-EFFECTIVE MEANS OF PREVENTING OR REDUCING AGE-RELATED CHANGES IN THESE INDICES OF GAIT FUNCTION. 2005 9 1693 30 OXYGEN CONSUMPTION DURING VINIYOGA PRACTICE IN ADULTS. CONTEXT: THE PURPOSE OF THIS STUDY WAS TO MEASURE THE OXYGEN CONSUMPTION (VO2) DURING VINIYOGA YOGA MOVEMENTS (ASANAS) AND TO COMPARE VO2 WALKING AMONG ADULTS. METHODS: YOGA PRACTITIONERS (N = 10) WERE RECRUITED TO MEASURE VO2 WHILE AT REST (30 MIN), PRACTICING YOGA (16 MOVEMENTS WITH DIFFERENT VARIATIONS), AND TREADMILL WALKING AT 2 MPH (10 MIN) AND 3 MPH (10 MIN). VO2 WAS MEASURED USING A WHOLE-ROOM INDIRECT CALORIMETRY. EACH YOGA MOVEMENT WAS CATEGORIZED BY BODY ORIENTATION AS STANDING, LYING, AND SITTING. THE DIFFERENCES IN VO2 BETWEEN YOGA AND WALKING WERE EXAMINED USING PEARSON'S CORRELATIONS. DIFFERENCES IN VO2 BETWEEN POSES (STANDING, SITTING, AND LYING) WERE EXAMINED USING LINEAR REGRESSION MODELS. VO2. RESULTS: MEAN YOGA-VO2 FOR THE ENTIRE YOGA SESSION WAS 3.7 (STANDARD DEVIATION [SD] 0.43, RANGE: 4.4-8.9) ML/KG/MIN. YOGA-VO2 VARIED BY BODY ORIENTATION: STANDING = 7.5 (SD = 1.5) ML/KG/MIN, LYING = 5.3 (SD = 1.0) ML/KG/MIN, AND SITTING = 5.4 (SD = 1.1) ML/KG/MIN. AFTER ADJUSTING FOR BODY MASS, FREQUENCY OF YOGA PRACTICE, AND RESTING ENERGY EXPENDITURE, FEMALE GENDER WAS NEGATIVELY ASSOCIATED WITH MEAN YOGA VO2 FOR STANDING (B = -112.19, P < 0.05), LYING (B = -141.87, P < 0.05), AND SITTING (B = -129.96, P < 0.05). MEAN VO2 FOR WALKING 2 MPH WAS COMPARABLE WITH SITTING (R = 0.836, P < 0.05) AND LYING (R = 0.735, P < 0.05) WHEREAS WALKING AT 3 MPH WAS COMPARABLE WITH STANDING (R = 0.718, P < 0.05) AND SITTING (R = 0.760, P < 0.05). CONCLUSION: WE CONCLUDE THAT VO2 DURING YOGA PRACTICE IS COMPARABLE TO VO2 DURING SLOW TREADMILL WALKING AND MAY VARY BASED ON GENDER AND BODY ORIENTATION. 2018 10 878 35 EFFECT OF YOGA TRAINING AND DETRAINING ON RESPIRATORY MUSCLE STRENGTH IN PRE-PUBERTAL CHILDREN: A RANDOMIZED TRIAL. OBJECTIVE: TO EVALUATE THE EFFECT OF YOGA ON FORCED VITAL CAPACITY (FVC), FORCED EXPIRATORY VOLUME IN I(ST) SECOND (FEV1), PEAK EXPIRATORY FLOW RATE (PEFR), FEVI/FVC RATIO, AND PULMONARY PRESSURES [MAXIMUM INSPIRATORY PRESSURE (MIP), MAXIMUM EXPIRATORY PRESSURE (MEP) AT THE END OF 3 MONTHS YOGA TRAINING AND THE DETRAINING EFFECT ON THE ABOVE PARAMETERS IN 7-9-YEARS-OLD SCHOOL GOING CHILDREN. MATERIALS AND METHODS: A TOTAL OF 100 PARTICIPANTS WERE RECRUITED FROM A SCHOOL IN BANGALORE. AFTER BASELINE ASSESSMENTS, THE PARTICIPANTS WERE RANDOMLY ALLOCATED TO EITHER YOGA OR PHYSICAL ACTIVITY GROUP. INTERVENTION WAS GIVEN FOR 3 MONTHS, AND MEASURES OF PULMONARY FUNCTION AND PULMONARY PRESSURES WERE DETERMINED IMMEDIATELY POST-INTERVENTION AND AT 3-MONTHS FOLLOW-UP. RESULTS: ALTHOUGH SIGNIFICANT INCREASE WAS OBSERVED IN FVC, FEV1, PEFR, FEV1/FVC, MIP, AND MEP AT POST-INTERVENTION, THERE WERE NO SIGNIFICANT DIFFERENCES BETWEEN THE TWO STUDY GROUPS AFTER ADJUSTING FOR HEIGHT AND AGE POST TRAINING . HOWEVER, MIP INCREASED SIGNIFICANTLY IN BOTH THE GROUPS POST-INTERVENTION, BUT THE YOGA GROUP PERFORMED SIGNIFICANTLY HIGHER THAN THE PE GROUP. THE EFFECTS OF TRAINING DID NOT FADE OFF EVEN AFTER 3 MONTHS OF DETRAINING. IN FACT, THE FVC AND FEV1 CONTINUED TO INCREASE SIGNIFICANTLY. A TREND OF DECREASE WAS OBSERVED IN PEFR, MIP, AND MEP. HOWEVER, THE VALUES DID NOT REGRESS TO THE BASELINE VALUE. CONCLUSIONS: THIS STUDY SUGGESTS THAT PRACTICE OF YOGA FOR A SHORT DURATION (3 MONTHS) OF TIME CAN SIGNIFICANTLY IMPROVE RESPIRATORY MUSCLE STRENGTH IN PEDIATRIC POPULATION. 2014 11 2681 46 YOGA IN SEDENTARY ADULTS WITH ARTHRITIS: EFFECTS OF A RANDOMIZED CONTROLLED PRAGMATIC TRIAL. OBJECTIVE: TO EVALUATE THE EFFECT OF INTEGRAL-BASED HATHA YOGA IN SEDENTARY PEOPLE WITH ARTHRITIS. METHODS: THERE WERE 75 SEDENTARY ADULTS AGED 18+ YEARS WITH RHEUMATOID ARTHRITIS (RA) OR KNEE OSTEOARTHRITIS RANDOMLY ASSIGNED TO 8 WEEKS OF YOGA (TWO 60-MIN CLASSES AND 1 HOME PRACTICE/WK) OR WAITLIST. POSES WERE MODIFIED FOR INDIVIDUAL NEEDS. THE PRIMARY ENDPOINT WAS PHYSICAL HEALTH [MEDICAL OUTCOMES STUDY SHORT FORM-36 (SF-36) PHYSICAL COMPONENT SUMMARY (PCS)] ADJUSTED FOR BASELINE; EXPLORATORY ADJUSTED OUTCOMES INCLUDED FITNESS, MOOD, STRESS, SELF-EFFICACY, SF-36 HEALTH-RELATED QUALITY OF LIFE (HRQOL), AND RA DISEASE ACTIVITY. IN EVERYONE COMPLETING YOGA, WE EXPLORED LONGTERM EFFECTS AT 9 MONTHS. RESULTS: PARTICIPANTS WERE MOSTLY FEMALE (96%), WHITE (55%), AND COLLEGE-EDUCATED (51%), WITH A MEAN (SD) AGE OF 52 YEARS (12 YRS). AVERAGE DISEASE DURATION WAS 9 YEARS AND 49% HAD RA. AT 8 WEEKS, YOGA WAS ASSOCIATED WITH SIGNIFICANTLY HIGHER PCS (6.5, 95% CI 2.0-10.7), WALKING CAPACITY (125 M, 95% CI 15-235), POSITIVE AFFECT (5.2, 95% CI 1.4-8.9), AND LOWER CENTER FOR EPIDEMIOLOGIC STUDIES DEPRESSION SCALE (-3.0, 95% CI -4.8 - -1.3). SIGNIFICANT IMPROVEMENTS (P < 0.05) WERE EVIDENT IN SF-36 ROLE PHYSICAL, PAIN, GENERAL HEALTH, VITALITY, AND MENTAL HEALTH SCALES. BALANCE, GRIP STRENGTH, AND FLEXIBILITY WERE SIMILAR BETWEEN GROUPS. TWENTY-TWO OUT OF 28 IN THE WAITLIST GROUP COMPLETED YOGA. AMONG ALL YOGA PARTICIPANTS, SIGNIFICANT (P < 0.05) IMPROVEMENTS WERE OBSERVED IN MEAN PCS, FLEXIBILITY, 6-MIN WALK, AND ALL PSYCHOLOGICAL AND MOST HRQOL DOMAINS AT 8 WEEKS WITH MOST STILL EVIDENT 9 MONTHS LATER. OF 7 ADVERSE EVENTS, NONE WERE ASSOCIATED WITH YOGA. CONCLUSION: PRELIMINARY EVIDENCE SUGGESTS YOGA MAY HELP SEDENTARY INDIVIDUALS WITH ARTHRITIS SAFELY INCREASE PHYSICAL ACTIVITY, AND IMPROVE PHYSICAL AND PSYCHOLOGICAL HEALTH AND HRQOL. CLINICAL TRIALS NCT00349869. 2015 12 1298 32 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 13 2558 76 YOGA FOR CHRONIC LOW BACK PAIN IN A PREDOMINANTLY MINORITY POPULATION: A PILOT RANDOMIZED CONTROLLED TRIAL. BACKGROUND: SEVERAL STUDIES SUGGEST YOGA MAY BE EFFECTIVE FOR CHRONIC LOW BACK PAIN; HOWEVER, TRIALS TARGETING MINORITIES HAVE NOT BEEN CONDUCTED. PRIMARY STUDY OBJECTIVES: ASSESS THE FEASIBILITY OF STUDYING YOGA IN A PREDOMINANTLY MINORITY POPULATION WITH CHRONIC LOW BACK PAIN. COLLECT PRELIMINARY DATA TO PLAN A LARGER POWERED STUDY. STUDY DESIGN: PILOT RANDOMIZED CONTROLLED TRIAL. SETTING: TWO COMMUNITY HEALTH CENTERS IN A RACIALLY DIVERSE NEIGHBORHOOD OF BOSTON, MASSACHUSETTS. PARTICIPANTS: THIRTY ENGLISH-SPEAKING ADULTS (MEAN AGE 44 YEARS, 83% FEMALE, 83% RACIAL/ETHNIC MINORITIES; 48% WITH INCOMES < OR = $30,000) WITH MODERATE-TO-SEVERE CHRONIC LOW BACK PAIN. INTERVENTIONS: STANDARDIZED SERIES OF WEEKLY HATHA YOGA CLASSES FOR 12 WEEKS COMPARED TO A WAITLIST USUAL CARE CONTROL. OUTCOME MEASURES: FEASIBILITY MEASURED BY TIME TO COMPLETE ENROLLMENT, PROPORTION OF RACIAL/ETHNIC MINORITIES ENROLLED, RETENTION RATES, AND ADVERSE EVENTS. PRIMARY EFFICACY OUTCOMES WERE CHANGES FROM BASELINE TO 12 WEEKS IN PAIN SCORE (0=NO PAIN TO 10=WORST POSSIBLE PAIN) AND BACK-RELATED FUNCTION USING THE MODIFIED ROLAND-MORRIS DISABILITY QUESTIONNAIRE (0-23 POINT SCALE, HIGHER SCORES REFLECT POORER FUNCTION). SECONDARY EFFICACY OUTCOMES WERE ANALGESIC USE, GLOBAL IMPROVEMENT, AND QUALITY OF LIFE (SF-36). RESULTS: RECRUITMENT TOOK 2 MONTHS. RETENTION RATES WERE 97% AT 12 WEEKS AND 77% AT 26 WEEKS. MEAN PAIN SCORES FOR YOGA DECREASED FROM BASELINE TO 12 WEEKS (6.7 TO 4.4) COMPARED TO USUAL CARE, WHICH DECREASED FROM 7.5 TO 7.1 (P=.02). MEAN ROLAND SCORES FOR YOGA DECREASED FROM 14.5 TO 8.2 COMPARED TO USUAL CARE, WHICH DECREASED FROM 16.1 TO 12.5 (P=.28). AT 12 WEEKS, YOGA COMPARED TO USUAL CARE PARTICIPANTS REPORTED LESS ANALGESIC USE (13% VS 73%, P=.003), LESS OPIATE USE (0% VS 33%, P=.04), AND GREATER OVERALL IMPROVEMENT (73% VS 27%, P=.03). THERE WERE NO DIFFERENCES IN SF-36 SCORES AND NO SERIOUS ADVERSE EVENTS. CONCLUSION: A YOGA STUDY INTERVENTION IN A PREDOMINANTLY MINORITY POPULATION WITH CHRONIC LOW BACK PAIN WAS MODERATELY FEASIBLE AND MAY BE MORE EFFECTIVE THAN USUAL CARE FOR REDUCING PAIN AND PAIN MEDICATION USE. 2009 14 964 34 EFFECTS OF A YOGA PROGRAM ON MOOD STATES, QUALITY OF LIFE, AND TOXICITY IN BREAST CANCER PATIENTS RECEIVING CONVENTIONAL TREATMENT: A RANDOMIZED CONTROLLED TRIAL. AIMS: THE AIM OF THIS STUDY IS TO COMPARE THE EFFECTS OF YOGA PROGRAM WITH SUPPORTIVE THERAPY COUNSELING ON MOOD STATES, TREATMENT-RELATED SYMPTOMS, TOXICITY, AND QUALITY OF LIFE IN STAGE II AND III BREAST CANCER PATIENTS ON CONVENTIONAL TREATMENT. METHODS: NINETY-EIGHT STAGE II AND III BREAST CANCER PATIENTS UNDERWENT SURGERY FOLLOWED BY ADJUVANT RADIOTHERAPY (RT) OR CHEMOTHERAPY (CT) OR BOTH AT A CANCER CENTER WERE RANDOMLY ASSIGNED TO RECEIVE YOGA (N = 45) AND SUPPORTIVE THERAPY COUNSELING (N = 53) OVER A 24-WEEK PERIOD. INTERVENTION CONSISTED OF 60-MIN YOGA SESSIONS, DAILY WHILE THE CONTROL GROUP WAS IMPARTED SUPPORTIVE THERAPY DURING THEIR HOSPITAL VISITS. ASSESSMENTS INCLUDED STATE-TRAIT ANXIETY INVENTORY, BECK'S DEPRESSION INVENTORY, SYMPTOM CHECKLIST, COMMON TOXICITY CRITERIA, AND FUNCTIONAL LIVING INDEX-CANCER. ASSESSMENTS WERE DONE AT BASELINE, AFTER SURGERY, BEFORE, DURING, AND AFTER RT AND SIX CYCLES OF CT. RESULTS: BOTH GROUPS HAD SIMILAR BASELINE SCORES. THERE WERE 29 DROPOUTS 12 (YOGA) AND 17 (CONTROLS) FOLLOWING SURGERY. SIXTY-NINE PARTICIPANTS CONTRIBUTED DATA TO THE CURRENT ANALYSIS (33 IN YOGA, AND 36 IN CONTROLS). AN ANCOVA, ADJUSTING FOR BASELINE DIFFERENCES, SHOWED A SIGNIFICANT DECREASE FOR THE YOGA INTERVENTION AS COMPARED TO THE CONTROL GROUP DURING RT (FIRST RESULT) AND CT (SECOND RESULT), IN (I) ANXIETY STATE BY 4.72 AND 7.7 POINTS, (II) DEPRESSION BY 5.74 AND 7.25 POINTS, (III) TREATMENT-RELATED SYMPTOMS BY 2.34 AND 2.97 POINTS, (IV) SEVERITY OF SYMPTOMS BY 6.43 AND 8.83 POINTS, (V) DISTRESS BY 7.19 AND 13.11 POINTS, AND (VI) AND IMPROVED OVERALL QUALITY OF LIFE BY 23.9 AND 31.2 POINTS AS COMPARED TO CONTROLS. TOXICITY WAS SIGNIFICANTLY LESS IN THE YOGA GROUP (P = 0.01) DURING CT. CONCLUSION: THE RESULTS SUGGEST A POSSIBLE USE FOR YOGA AS A PSYCHOTHERAPEUTIC INTERVENTION IN BREAST CANCER PATIENTS UNDERGOING CONVENTIONAL TREATMENT. 2017 15 465 55 CHARACTERISTICS AND PREDICTORS OF SHORT-TERM OUTCOMES IN INDIVIDUALS SELF-SELECTING YOGA OR PHYSICAL THERAPY FOR TREATMENT OF CHRONIC LOW BACK PAIN. OBJECTIVE: TO COMPARE CLINICAL AND DEMOGRAPHIC CHARACTERISTICS OF INDIVIDUALS SELF-SELECTING YOGA OR PHYSICAL THERAPY (PT) FOR TREATMENT OF CHRONIC LOW BACK PAIN (CLBP) AND TO EXAMINE PREDICTORS OF SHORT-TERM PAIN AND FUNCTIONAL OUTCOMES. DESIGN: DESCRIPTIVE, LONGITUDINAL STUDY. SETTINGS: A HOSPITAL-BASED CLINIC THAT OFFERS MODIFIED INTEGRAL YOGA CLASSES FOR CLBP AND 2 OUTPATIENT PT CLINICS THAT OFFER EXERCISE-BASED PT. PARTICIPANTS: ADULTS (N=53) WITH CLBP>/=12 WEEKS: YOGA (N=27), PT (N=26). METHODS: YOGA PARTICIPANTS ATTENDED A 6-WEEK, ONCE WEEKLY, 2-HOUR YOGA CLASS. PT PARTICIPANTS UNDERWENT TWICE WEEKLY, 1-HOUR INDIVIDUALIZED PT. DATA WERE COLLECTED AT BASELINE AND AT 6 WEEKS. GROUPS WERE COMPARED BY USING CHI2 AND INDEPENDENT SAMPLES T-TESTS. HIERARCHICAL LINEAR REGRESSION WAS USED TO PREDICT TREATMENT OUTCOMES. MAIN OUTCOME MEASURES: DISABILITY (ROLAND MORRIS DISABILITY QUESTIONNAIRE), HEALTH STATUS (RAND SHORT FORM 36 HEALTH SURVEY 1.0), PAIN BOTHERSOMENESS (NUMERICAL RATING SCALE), BACK PAIN SELF-EFFICACY (BACK PAIN SELF-EFFICACY SCALE), AND TREATMENT SATISFACTION. RESULTS: AT BASELINE, YOGA PARTICIPANTS WERE SIGNIFICANTLY LESS DISABLED (P=.013), HAD HIGHER HEALTH STATUS (P=.023), GREATER PAIN SELF-EFFICACY (P=.012), AND LESS AVERAGE PAIN BOTHERSOMENESS (P=.001) COMPARED WITH PT PARTICIPANTS. AT 6 WEEKS, WHEN CONTROLLING FOR BASELINE GROUP DIFFERENCES, GREATER PAIN SELF-EFFICACY WAS THE STRONGEST PREDICTOR FOR REDUCED PAIN AND HIGHER FUNCTION FOR THE ENTIRE SAMPLE. A SIGNIFICANT GROUP INTERACTION BY BASELINE PAIN SELF-EFFICACY PREDICTED DISABILITY AT 6 WEEKS. PT PARTICIPANTS WITH LOW PAIN SELF-EFFICACY REPORTED SIGNIFICANTLY GREATER DISABILITY THAN THOSE WITH HIGH PAIN SELF-EFFICACY. YOGA PARTICIPANTS WITH LOW AND HIGH PAIN SELF-EFFICACY HAD SIMILAR DISABILITY OUTCOMES. CONCLUSION: THESE FINDINGS STRENGTHEN EVIDENCE THAT SELF-EFFICACY IS ASSOCIATED WITH CLBP OUTCOMES, ESPECIALLY IN INDIVIDUALS SELF-SELECTING PT. FURTHER RESEARCH TO EVALUATE OUTCOMES AFTER YOGA AND PT IN PARTICIPANTS WITH LOW PAIN SELF-EFFICACY IS NEEDED. 2010 16 668 48 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 17 944 50 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 18 1847 36 QUALITY OF LIFE IN YOGA EXPERIENCED AND YOGA NAIVE ASIAN INDIAN ADULTS WITH OBESITY. BACKGROUND: OBESITY ADVERSELY AFFECTS QUALITY OF LIFE WHICH THEN ACTS AS A BARRIER TO WEIGHT LOSS AND WEIGHT LOSS MAINTENANCE. HENCE, THOSE INTERVENTIONS WHICH POSITIVELY INFLUENCE THE QUALITY OF LIFE ALONG WITH WEIGHT REDUCTION ARE CONSIDERED USEFUL FOR SUSTAINED WEIGHT LOSS IN PERSONS WITH OBESITY. AN EARLIER STUDY SHOWED BETTER QUALITY OF LIFE IN OBESE ADULTS WHO HAD EXPERIENCE OF YOGA COMPARED TO YOGA NAIVE OBESE ADULTS. HOWEVER, THE MAIN LIMITATION OF THE STUDY WAS THE SMALL SAMPLE SIZE (N=20 IN EACH GROUP). OBJECTIVE: THE PRESENT STUDY AIMED TO DETERMINE WHETHER WITH LARGER SAMPLE SIZES THE QUALITY OF LIFE WOULD DIFFER IN YOGA EXPERIENCED COMPARED TO YOGA NAIVE ADULTS WITH OBESITY. METHODS: THERE WERE 596 ASIAN INDIAN OBESE ADULTS (AGE RANGE 20 TO 59 YEARS; GROUP MEAN AGE +/- SD; 43.9 +/- 9.9 YEARS): OF WHOM (I) 298 WERE YOGA EXPERIENCED (154 FEMALES; GROUP MEAN AGE +/- SD; 44.0 +/- 9.8 YEARS) WITH A MINIMUM OF 1 MONTH OF EXPERIENCE IN YOGA PRACTICE AND (II) 298 WERE YOGA NAIVE (154 FEMALES; GROUP MEAN AGE +/- SD; 43.8 +/- 10.0 YEARS). ALL THE PARTICIPANTS WERE ASSESSED FOR QUALITY OF LIFE USING THE MOOREHEAD-ARDELT QUALITY OF LIFE QUESTIONNAIRE II. DATA WERE DRAWN FROM A LARGER NATIONWIDE TRIAL WHICH ASSESSED THE EFFECTS OF YOGA COMPARED TO NUTRITIONAL ADVICE ON OBESITY OVER A ONE-YEAR FOLLOW-UP PERIOD (CTRI/2018/05/014077). RESULTS: THERE WERE HIGHER PARTICIPANT-REPORTED OUTCOMES FOR FOUR OUT OF SIX ASPECTS OF QUALITY OF LIFE IN THE YOGA EXPERIENCED COMPARED TO THE YOGA NAIVE (P < 0.008, BASED ON T VALUES OF THE LEAST SQUARES LINEAR REGRESSION ANALYSES, BONFERRONI ADJUSTED, AND ADJUSTED FOR AGE, GENDER, AND BMI AS COVARIATES). THESE WERE ENJOYMENT IN PHYSICAL ACTIVITIES, ABILITY TO WORK, SELF-ESTEEM, AND SOCIAL SATISFACTION. CONCLUSION: OBESE ADULTS WITH YOGA EXPERIENCE APPEAR TO HAVE BETTER QUALITY OF LIFE IN SPECIFIC ASPECTS, COMPARED TO YOGA NAIVE PERSONS WITH A COMPARABLE DEGREE OF OBESITY. 2019 19 2076 31 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 20 1787 62 PREFERENCE AND EXPECTATION FOR TREATMENT ASSIGNMENT IN A RANDOMIZED CONTROLLED TRIAL OF ONCE- VS TWICE-WEEKLY YOGA FOR CHRONIC LOW BACK PAIN. BACKGROUND: IN STUDIES INVOLVING NONPHARMACOLOGICAL COMPLEMENTARY AND ALTERNATIVE MEDICINE INTERVENTIONS, PARTICIPANT BLINDING IS VERY DIFFICULT. PARTICIPANT EXPECTATIONS MAY AFFECT PERCEIVED BENEFIT OF THERAPY. IN STUDIES OF YOGA AS TREATMENT FOR CHRONIC LOW BACK PAIN, LITTLE IS KNOWN ABOUT THE RELATIONSHIP BETWEEN PATIENT EXPECTATIONS AND PREFERENCES ON OUTCOMES. THIS STUDY WAS DESIGNED TO IDENTIFY BASELINE PREDICTORS OF PREFERENCE AND TO DETERMINE IF EXPECTATIONS AND PREFERENCES FOR DIFFERENT DOSES OF YOGA AFFECT BACK-RELATED FUNCTION AND LOW BACK PAIN INTENSITY. METHODS: THIS WAS A SECONDARY DATA ANALYSIS OF A 12-WEEK RANDOMIZED CONTROLLED TRIAL COMPARING ONCE-WEEKLY VS TWICE-WEEKLY YOGA FOR TREATMENT OF CHRONIC LOW BACK PAIN IN 93 ADULTS FROM A PREDOMINANTLY LOW-INCOME MINORITY POPULATION. AT BASELINE, PARTICIPANTS WERE ASKED ABOUT BACK FUNCTION, BACK PAIN, TREATMENT EXPECTATIONS, AND TREATMENT PREFERENCES. WE CREATED A VARIABLE "CONCORDANCE" TO DESCRIBE THE MATCHING OF PARTICIPANT PREFERENCE TO RANDOMIZED TREATMENT. OUR OUTCOME VARIABLES WERE CHANGE IN BACK FUNCTION AND PAIN INTENSITY AFTER 12 WEEKS OF YOGA INSTRUCTION. WE PERFORMED LOGISTIC REGRESSION TO IDENTIFY PREDICTORS OF PREFERENCE FOR ONCE- OR TWICE-WEEKLY YOGA INSTRUCTION. WE CREATED LINEAR REGRESSION MODELS TO IDENTIFY INDEPENDENT ASSOCIATIONS BETWEEN EXPECTATIONS, PREFERENCE, CONCORDANCE, AND OUTCOMES. RESULTS: WORSE BACK FUNCTION AT BASELINE WAS ASSOCIATED WITH 20% HIGHER ODDS OF PREFERRING TWICE-WEEKLY YOGA (OR 1.2, CI 1.1, 1.3). INDIVIDUALS WITH HIGHER EXPECTATION SCORES FOR TWICE-WEEKLY YOGA HAD 90% HIGHER ODDS OF PREFERRING TWICE-WEEKLY VS ONCE-WEEKLY YOGA (OR 1.9, CI 1.3, 2.7). INDIVIDUALS WITH HIGHER EXPECTATION SCORES FOR ONCE-WEEKLY YOGA HAD 40% LESS ODDS OF PREFERRING TWICE-WEEKLY YOGA (OR 0.6, CI 0.5, 0.9). AFTER CONTROLLING FOR BASELINE CHARACTERISTICS, WE FOUND NO STATISTICALLY SIGNIFICANT RELATIONSHIP BETWEEN TREATMENT OUTCOMES, PREFERENCE, EXPECTATION SCORES, OR CONCORDANCE. CONCLUSION: IN A POPULATION OF PREDOMINANTLY LOW-INCOME MINORITY PARTICIPANTS WITH CHRONIC LOW BACK PAIN, WORSE BACK FUNCTION WAS ASSOCIATED WITH PREFERENCE FOR MORE FREQUENT YOGA CLASSES. THOSE WHO PREFERRED MORE YOGA CLASSES HAD HIGHER EXPECTATIONS FOR THOSE CLASSES. TWELVE-WEEK CHANGE IN BACK PAIN INTENSITY AND BACK FUNCTION WERE NOT AFFECTED BY DOSING PREFERENCE, EXPECTATION SCORE, OR CONCORDANCE. MORE RESEARCH IS NEEDED TO BETTER MEASURE AND QUANTIFY PREFERENCE, EXPECTATIONS, AND THEIR RELATIONSHIP TO OUTCOMES IN YOGA RESEARCH. 2015