1 1102 129 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 2 1847 34 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 3 50 39 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 4 306 42 AN EVALUATION OF THE ABILITY TO VOLUNTARILY REDUCE THE HEART RATE AFTER A MONTH OF YOGA PRACTICE. THE STUDY AIMED AT DETERMINING WHETHER NOVICES TO YOGA WOULD BE ABLE TO REDUCE THEIR HEART RATE VOLUNTARILY AND WHETHER THE MAGNITUDE OF REDUCTION WOULD BE MORE AFTER 30 DAYS OF YOGA TRAINING. TWO GROUPS (YOGA AND CONTROL, N = 12 EACH) WERE ASSESSED ON DAY 1 AND ON DAY 30. DURING THE INTERVENING 30 DAYS, THE YOGA GROUP RECEIVED TRAINING IN YOGA TECHNIQUES WHILE THE CONTROL GROUP CARRIED ON WITH THEIR ROUTINE. AT EACH ASSESSMENT THE BASELINE HEART RATE WAS RECORDED FOR ONE MINUTE, THIS WAS FOLLOWED BY A SIX-MINUTE PERIOD DURING WHICH PARTICIPANTS WERE ASKED TO ATTEMPT TO VOLUNTARILY REDUCE THEIR HEART RATE, USING ANY STRATEGY. BOTH THE BASELINE HEART RATE AND THE LOWEST HEART RATE ACHIEVED VOLUNTARILY DURING THE SIX-MINUTE PERIOD WERE SIGNIFICANTLY LOWER IN THE YOGA GROUP ON DAY 30 COMPARED TO DAY 1 BY A GROUP AVERAGE OF 10.7 BEATS PER MINUTE (I.E., BPM) AND 6.8 BPM, RESPECTIVELY (P < .05, WILCOXON PAIRED SIGNED RANKS TEST). IN CONTRAST, THERE WAS NO SIGNIFICANT CHANGE IN EITHER THE BASELINE HEART RATE OR THE LOWEST HEART RATE ACHIEVED VOLUNTARILY IN THE CONTROL GROUP ON DAY 30 COMPARED TO DAY 1. THE RESULTS SUGGEST THAT YOGA TRAINING CAN ENABLE PRACTITIONERS TO USE THEIR OWN STRATEGIES TO REDUCE THE HEART RATE, WHICH HAS POSSIBLE THERAPEUTIC APPLICATIONS. 2004 5 2075 35 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 6 2364 37 VOLUNTARY HEART RATE REDUCTION FOLLOWING YOGA USING DIFFERENT STRATEGIES. BACKGROUND/AIMS: ONE MONTH OF YOGA TRAINING HAS BEEN SHOWN TO REDUCE THE PULSE RATE VOLUNTARILY WITHOUT USING EXTERNAL CUES. HENCE, THE PRESENT STUDY WAS DESIGNED TO UNDERSTAND THE STRATEGIES USED BY YOGA PRACTITIONERS AND AUTONOMIC CHANGES ASSOCIATED WITH VOLUNTARY HEART RATE REDUCTION. MATERIALS AND METHODS: FIFTY VOLUNTEERS (GROUP MEAN AGE +/- S.D., 25.4 +/- 4.8 YEARS; 25 MALES) WERE ASSESSED IN TWO TRIALS ON SEPARATE DAYS. EACH TRIAL WAS FOR 12 MINUTES, WITH A 'PRE' STATE AND 'DURING' STATE OF 6 MINUTES EACH. FOR BOTH TRIALS THE 'PRE' STATE WAS RELAXATION WITH EYES CLOSED. IN THE 'DURING' STATE OF TRIAL I, SUBJECTS WERE ASKED TO VOLUNTARILY REDUCE THEIR HEART RATE USING A STRATEGY OF THEIR CHOICE. FROM THEIR RESPONSES TO SPECIFIC QUESTIONS IT WAS DETERMINED THAT 22 OUT OF 50 PERSONS USED BREATH REGULATION AS A STRATEGY. HENCE, IN THE 'DURING' STATE OF TRIAL II, SUBJECTS WERE ASKED TO VOLUNTARILY REDUCE THEIR HEART RATE BY BREATH REGULATION. RESULTS: IN THE FIRST TRIAL, THE HEART RATE WAS REDUCED BY AN AVERAGE OF 19.6 BEATS PER MINUTE AND IN THE SECOND TRIAL (WITH BREATH REGULATION EXCLUSIVELY) AN AVERAGE DECREASE OF 22.2 BEATS PER MINUTE WAS ACHIEVED. CONCLUSIONS: HENCE, THE STRATEGY USED DID NOT MARKEDLY ALTER THE OUTCOME. 2013 7 165 42 A RANDOMIZED CONTROL TRIAL OF THE EFFECT OF YOGA ON VERBAL AGGRESSIVENESS IN NORMAL HEALTHY VOLUNTEERS. OBJECTIVE: TO STUDY THE EFFECT OF YOGA ON VERBAL AGGRESSIVENESS IN NORMAL HEALTHY ADULTS. METHODS: OF THE 1228 PERSONS WHO ATTENDED INTRODUCTORY LECTURES, 226 SUBJECTS OF BOTH SEXES WHO SATISFIED THE INCLUSION AND EXCLUSION CRITERIA AND WHO CONSENTED TO PARTICIPATE IN THE STUDY WERE RANDOMLY ALLOCATED INTO TWO GROUPS. THESE 226 SUBJECTS WERE BETWEEN THE AGES OF 17 AND 62 YEARS AND 173/226 COMPLETED THE EIGHT WEEKS OF INTERVENTION. THE YOGA (Y) GROUP PRACTISED AN INTEGRATED YOGA MODULE THAT INCLUDED ASANAS, PRANAYAMA, MEDITATION, NOTIONAL CORRECTION, AND DEVOTIONAL SESSIONS. THE CONTROL GROUP PRACTISED MILD TO MODERATE PHYSICAL EXERCISES (PE). BOTH GROUPS HAD SUPERVISED PRACTICES (BY TRAINED EXPERTS) FOR ONE HOUR DAILY, SIX DAYS A WEEK FOR EIGHT WEEKS. VERBAL AGGRESSIVENESS WAS ASSESSED BEFORE AND AFTER EIGHT WEEKS USING THE SELF-ADMINISTERED VERBAL AGGRESSIVE SCALE. RESULTS: THE BASELINE SCORE OF THE TWO GROUPS DID NOT DIFFER SIGNIFICANTLY (P = 0.66). THERE WAS A SIGNIFICANT DECREASE IN VERBAL AGGRESSIVENESS IN THE YOGA GROUP (P = 0.01 PAIRED SAMPLES T-TEST) WITH A NONSIGNIFICANT INCREASE IN THE PE GROUP. ANCOVA USING PRE- VALUES AS COVARIATES SHOWED A SIGNIFICANT DIFFERENCE BETWEEN THE GROUPS (P = 0.013). RMANOVA FOR INTERACTION BETWEEN THE SEXES OR AGE GROUPS IN CHANGE SCORES WERE NOT SIGNIFICANT. CONCLUSIONS: THIS STUDY HAS DEMONSTRATED THAT AN EIGHT WEEK INTERVENTION OF AN INTEGRATED YOGA MODULE DECREASED VERBAL AGGRESSIVENESS IN THE YOGA GROUP (IN MALES AND THOSE BELOW 25 YEARS OF AGE), WITH A NONSIGNIFICANT INCREASE IN THE PE GROUP. 2008 8 1350 31 IMMEDIATE CHANGES IN MUSCLE STRENGTH AND MOTOR SPEED FOLLOWING YOGA BREATHING. THE PRESENT STUDY WAS CONDUCTED TO ASSESS THE IMMEDIATE EFFECT OF HIGH-FREQUENCY YOGA BREATHING ON MUSCLE STRENGTH AND MOTOR SPEED. BILATERAL HANDGRIP STRENGTH, LEG AND BACK STRENGTH, FINGER TAPPING AND ARM TAPPING SPEED WERE ASSESSED IN FIFTY MALE PARTICIPANTS (GROUP MEAN AGE +/- SD, 26.9 +/- 6.2 YEARS) BEFORE AND AFTER (A) HIGH FREQUENCY YOGA BREATHING FOR 15 MINUTES AND (B) BREATH AWARENESS FOR THE SAME DURATION. SESSIONS (A) AND (B) WERE ON TWO DIFFERENT DAYS BUT AT THE SAME TIME OF THE DAY. THE SCHEDULE WAS ALTERNATED FOR DIFFERENT PARTICIPANTS. THERE WAS A SIGNIFICANT INCREASE (P < 0.05) IN RIGHT HAND GRIP STRENGTH AFTER HIGH FREQUENCY YOGA BREATHING. BOTH FINGER AND ARM TAPPING IMPROVED AFTER BOTH PRACTICES. THE RESULTS SUGGEST A ROLE FOR HIGH FREQUENCY YOGA BREATHING IN IMPROVING THE HAND GRIP STRENGTH AS AN IMMEDIATE EFFECT. 2014 9 2242 36 THE INFLUENCE OF PHYSICAL ACTIVITY AND YOGA ON CENTRAL ARTERIAL STIFFNESS. PURPOSE: CENTRAL ARTERIAL STIFFNESS IS AN ACCEPTED RISK FACTOR FOR CARDIOVASCULAR DISEASE. WHILE AEROBIC ACTIVITY IS ASSOCIATED WITH REDUCED STIFFNESS THE INFLUENCE OF PRACTICING YOGA IS UNKNOWN. THE AIMS OF THIS STUDY WERE TO: 1) EVALUATE ARTERIAL STIFFNESS IN MIDDLE-AGED ADULTS WHO REGULARLY PRACTICED YOGA, PERFORMED REGULAR EXERCISE, OR WERE INACTIVE, 2) EVALUATE THE REPRODUCIBILITY OF ARTERIAL STIFFNESS MEASURED IN THE LEFT AND RIGHT CAROTID ARTERY AND BY PULSE WAVE VELOCITY (PWV). METHODS: TWENTY SIX HEALTHY SUBJECTS (MALE AND FEMALE, 40-65 YRS OLD) WERE TESTED ON TWO SEPARATE DAYS. CAROTID ARTERY DISTENSIBILITY (DC) WAS MEASURED WITH ULTRASOUND. PHYSICAL ACTIVITY WAS DETERMINED BY QUESTIONNAIRE. RESULTS: YOGA AND AEROBIC SUBJECTS HAD SIMILAR PHYSICAL ACTIVITY LEVELS. YOGA AND AEROBIC GROUPS WERE NOT DIFFERENT IN EITHER DC (P = 0.26) OR PWV (P = 0.21). THE SEDENTARY GROUP HAD LOWER DC AND HIGHER PWV COMPARED TO THE AEROBIC AND YOGA GROUPS (BOTH, P < 0.001). STIFFNESS MEASURES WERE RELIABLE DAY TO DAY (COEFFICIENTS OF VARIATION APPROXIMATELY 2.5%) AND SIMILAR BETWEEN LEFT AND RIGHT ARTERIES (CV = 2.2%). CONCLUSION: PHYSICAL ACTIVITY WAS A STRONG PREDICTOR OF BOTH MEASURES OF ARTERIAL STIFFNESS, ALTHOUGH OTHER FACTORS SUCH AS NUTRITIONAL STATUS NEED TO BE ACCOUNTED FOR. AN INDEPENDENT EFFECT OF PRACTICING YOGA COULD NOT BE DETECTED. STIFFNESS MEASURES WERE REPRODUCIBLE AND LEFT AND RIGHT SIDES WERE CONSISTENT WITH EACH OTHER. 2008 10 1514 37 IS WEEKLY FREQUENCY OF YOGA PRACTICE SUFFICIENT? PHYSIOLOGICAL EFFECTS OF HATHA YOGA AMONG HEALTHY NOVICE WOMEN. BENEFICIAL PHYSICAL AND PHYSIOLOGICAL HEALTH OUTCOMES OF YOGA PRACTICE ARE WELL-SUPPORTED BY EMPIRICAL DATA. HOWEVER, WHETHER WEEKLY FREQUENCY OF TRAINING IS SUFFICIENT TO EVOKE POSITIVE CHANGES, IS STILL AN OPEN QUESTION. THE PRESENT INTERVENTION STUDY INVESTIGATED THE EFFECTS OF 10 WEEKLY SESSIONS OF BEGINNER LEVEL HATHA YOGA WITH RESPECT TO INDICATORS OF PHYSICAL FITNESS AND PHYSIOLOGICAL MARKERS. 82 YOUNG WOMEN (MEAN AGE OF 22.0 +/- 3.83 YEARS) PARTICIPATED IN THE STUDY. THE YOGA GROUP (N = 49) ATTENDED A YOGA COURSE CONSISTING OF 10 SESSIONS (1.5 H EACH) ON A WEEKLY BASIS. THE CONTROL GROUP (N = 33) DID NOT RECEIVE ANY INTERVENTION. BMI, BODY FAT PERCENTAGE, BALANCE (ONE-LEG-STAND TEST WITH OPEN AND CLOSED EYES, FUNCTIONAL REACH TEST), FLEXIBILITY (SIDE BEND TEST, MODIFIED SIT AND REACH TEST) CORE MUSCLE STRENGTH (PLANK TEST) AS WELL AS RESTING HEART RATE (HR), AND HEART RATE VARIABILITY (HRV) WERE ASSESSED 1 WEEK BEFORE AND AFTER THE COURSE. BOTH FREQUENTIST AND BAYESIAN ANALYSIS SHOWED AN IMPROVEMENT IN FLEXIBILITY AND BALANCE IN THE YOGA GROUP COMPARED TO THE CONTROL GROUP. THE YOGA GROUP SHOWED ALSO INCREASED CORE MUSCLE STRENGTH. NO CHANGES WITH RESPECT TO BMI, BODY FAT PERCENTAGE, RESTING HR AND HRV WERE FOUND. NINETY MINUTE BEGINNER LEVEL HATHA YOGA CLASSES WERE CHARACTERIZED BY 93.39 HR AND 195 KCAL ENERGY CONSUMPTION ON AVERAGE. THE PRESENT FINDINGS SUGGEST THAT WEEKLY SETTING OF A 10-SESSION LONG HATHA YOGA TRAINING LEADS TO IMPROVEMENTS IN BALANCE, FLEXIBILITY AND CORE MUSCLE STRENGTH AMONG HEALTHY YOUNG WOMEN. HOWEVER, FOR CHANGES IN BMI, BODY FAT PERCENTAGE, RESTING HR AND HRV LONGER, AND/OR MORE INTENSE INTERVENTIONS ARE NEEDED. 2021 11 668 43 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 12 1318 36 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 13 990 37 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 14 858 42 EFFECT OF YOGA OR PHYSICAL EXERCISE ON PHYSICAL, COGNITIVE AND EMOTIONAL MEASURES IN CHILDREN: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: PREVIOUS STUDIES HAVE SEPARATELY REPORTED THE EFFECTS OF PHYSICAL EXERCISE AND YOGA IN CHILDREN, SHOWING PHYSICAL, COGNITIVE AND EMOTIONAL BENEFITS. OBJECTIVES: THE PRESENT RANDOMIZED CONTROLLED TRIAL ASSESSED THE EFFECTS OF YOGA OR PHYSICAL EXERCISE ON PHYSICAL FITNESS, COGNITIVE PERFORMANCE, SELF-ESTEEM, AND TEACHER-RATED BEHAVIOR AND PERFORMANCE, IN SCHOOL CHILDREN. METHODS: 98 SCHOOL CHILDREN BETWEEN 8 TO 13 YEARS WERE RANDOMIZED AS YOGA AND PHYSICAL EXERCISE GROUPS {N = 49 EACH; (YOGA: 15 GIRLS, GROUP MEAN AGE 10.4 +/- 1.2 YEARS), (PHYSICAL EXERCISE: 23 GIRLS, GROUP MEAN AGE 10.5 +/- 1.3 YEARS)}. BOTH GROUPS WERE BLIND ASSESSED AFTER ALLOCATION, USING: (I) THE EUROFIT PHYSICAL FITNESS TEST BATTERY, (II) STROOP COLOR-WORD TASK FOR CHILDREN, (III) BATTLE'S SELF-ESTEEM INVENTORY AND (IV) THE TEACHERS' RATING OF THE CHILDREN'S OBEDIENCE, ACADEMIC PERFORMANCE, ATTENTION, PUNCTUALITY, AND BEHAVIOR WITH FRIENDS AND TEACHERS. AFTER ASSESSMENTS THE YOGA GROUP PRACTICED YOGA (BREATHING TECHNIQUES, POSTURES, GUIDED RELAXATION AND CHANTING), 45 MINUTES EACH DAY, 5 DAYS A WEEK. DURING THIS TIME THE PHYSICAL EXERCISE GROUP HAD JOGGING-IN-PLACE, RAPID REPETITIVE MOVEMENTS AND RELAY RACES OR GAMES. BOTH GROUPS WERE ASSESSED AT THE END OF 3 MONTHS. DATA WERE ANALYZED WITH RM ANOVA AND POST-HOC TESTS WERE BONFERRONI ADJUSTED. RESULTS: THERE WAS ONE SIGNIFICANT DIFFERENCE BETWEEN GROUPS. THIS WAS IN SOCIAL SELF-ESTEEM WHICH WAS HIGHER AFTER PHYSICAL EXERCISE COMPARED TO YOGA (P < 0.05). ALL THE CHANGES REPORTED BELOW ARE BASED ON AFTER-BEFORE COMPARISONS, WITHIN EACH GROUP. BOTH GROUPS SHOWED AN INCREASE IN BMI, AND NUMBER OF SIT-UPS (P < 0.001). BALANCE WORSENED IN THE PHYSICAL EXERCISE GROUP, WHILE PLATE TAPPING IMPROVED IN THE YOGA GROUP (P < 0.001). IN THE STROOP TASK BOTH GROUPS SHOWED IMPROVED COLOR, WORD- AND COLOR-WORD NAMING (P < 0.01), WHILE THE PHYSICAL EXERCISE GROUP SHOWED HIGHER INTERFERENCE SCORES. TOTAL, GENERAL AND PARENTAL SELF-ESTEEM IMPROVED IN THE YOGA GROUP (P < 0.05). CONCLUSION: YOGA AND PHYSICAL EXERCISE ARE USEFUL ADDITIONS TO THE SCHOOL ROUTINE, WITH PHYSICAL EXERCISE IMPROVING SOCIAL SELF-ESTEEM. TRIAL REGISTRATION: THE STUDY WAS REGISTERED IN THE CLINICAL TRIALS REGISTRY OF INDIA (CTRI/2012/11/003112). 2013 15 727 30 EFFECT OF LONG-TERM REGULAR YOGA ON PHYSICAL HEALTH OF YOGA PRACTITIONERS. BACKGROUND: YOGA IS A PHYSICAL, MENTAL, AND SPIRITUAL DISCIPLINE. THE EFFECT OF YOGA ON MENTAL HEALTH HAS BEEN STUDIED EXTENSIVELY IN INDIA BUT LESS IN THE CONTEXT OF PHYSICAL HEALTH. OBJECTIVE: THE OBJECTIVE WAS TO EXPLORE THE EFFECT OF LONG-TERM REGULAR YOGA ON PHYSICAL HEALTH OF YOGA PRACTITIONERS. MATERIALS AND METHODS: IT WAS AN INTERVENTIONAL STUDY. INCLUSION CRITERIA WERE STUDENTS WHO ENROLLED FOR 1-YEAR DIPLOMA COURSE AT THE YOGA CENTER. EXCLUSION CRITERIA WERE NONREGULAR YOGA PRACTITIONERS DURING THE COURSE. PHYSICAL HEALTH PARAMETERS CONSIDERED FOR ASSESSMENT BEFORE AND AFTER THE YOGA COURSE WERE PULMONARY FUNCTION TESTS, MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) USING BRUCE TREADMILL TEST, FLEXIBILITY, BODY COMPOSITION ANALYSIS, AND HEMOGLOBIN LEVEL. PAIRED SAMPLE T-TEST AND CHI-SQUARE TEST WERE USED FOR STATISTICAL ANALYSIS. RESULTS: THE AEROBIC CAPACITY IMPROVED SIGNIFICANTLY IN TERMS OF MEAN (STANDARD DEVIATION [SD]) FORCED VITAL CAPACITY (P < 0.001), FORCED EXPIRATION VOLUME AT THE END OF THE FIRST SECOND (P < 0.001) AS WELL AS PEAK EXPIRATORY FLOW RATE (P = 0.04). THE MEAN (SD) FLEXIBILITY SCORE IMPROVED SIGNIFICANTLY (P < 0.001). SIMILARLY, THE ENDURANCE IMPROVED SIGNIFICANTLY IN TERMS OF MEAN (SD) VO2 MAX (< 0.001) AND TREADMILL TIME (P < 0.001). THERE WAS NO SIGNIFICANT CHANGE IN BODY COMPOSITION AND HEMOGLOBIN LEVEL. CONCLUSIONS: REGULAR YOGA PRACTITIONERS DEMONSTRATED THE IMPROVEMENT IN PULMONARY FUNCTIONS, CARDIORESPIRATORY FITNESS, ENDURANCE, AND FLEXIBILITY. 2021 16 756 39 EFFECT OF SIX WEEKS YOGA TRAINING ON WEIGHT LOSS FOLLOWING STEP TEST, RESPIRATORY PRESSURES, HANDGRIP STRENGTH AND HANDGRIP ENDURANCE IN YOUNG HEALTHY SUBJECTS. THE PRESENT STUDY WAS DESIGNED TO TEST WHETHER YOGA TRAINING OF SIX WEEKS DURATION MODULATES SWEATING RESPONSE TO DYNAMIC EXERCISE AND IMPROVES RESPIRATORY PRESSURES, HANDGRIP STRENGTH AND HANDGRIP ENDURANCE. OUT OF 46 HEALTHY SUBJECTS (30 MALES AND 16 FEMALES, AGED 17-20 YR), 23 MOTIVATED SUBJECTS (15 MALE AND 8 FEMALE) WERE GIVEN YOGA TRAINING AND THE REMAINING 23 SUBJECTS SERVED AS CONTROLS. WEIGHT LOSS FOLLOWING HARVARD STEP TEST (AN INDEX OF SWEAT LOSS), MAXIMUM INSPIRATORY PRESSURE, MAXIMUM EXPIRATORY PRESSURE, 40 MM ENDURANCE, HANDGRIP STRENGTH AND HANDGRIP ENDURANCE WERE DETERMINED BEFORE AND AFTER THE SIX WEEK STUDY PERIOD. IN THE YOGA GROUP, WEIGHT LOSS IN RESPONSE TO HARVARD STEP TEST WAS 64 +/- 30 G AFTER YOGA TRAINING AS COMPARED TO 161 +/- 133 G BEFORE THE TRAINING AND THE DIFFERENCE WAS SIGNIFICANT (N = 15 MALE SUBJECTS, P < 0.0001). IN CONTRAST, WEIGHT LOSS FOLLOWING STEP TEST WAS NOT SIGNIFICANTLY DIFFERENT IN THE CONTROL GROUP AT THE END OF THE STUDY PERIOD. YOGA TRAINING PRODUCED A MARKED INCREASE IN RESPIRATORY PRESSURES AND ENDURANCE IN 40 MM HG TEST IN BOTH MALE AND FEMALE SUBJECTS (P < 0.05 FOR ALL COMPARISONS). IN CONCLUSION, THE PRESENT STUDY DEMONSTRATES ATTENUATION OF THE SWEATING RESPONSE TO STEP TEST BY YOGA TRAINING. FURTHER, YOGA TRAINING FOR A SHORT PERIOD OF SIX WEEKS CAN PRODUCE SIGNIFICANT IMPROVEMENTS IN RESPIRATORY MUSCLE STRENGTH AND ENDURANCE. 2008 17 2863 32 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 18 2072 44 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 19 810 51 EFFECT OF YOGA ON BLOOD GLUCOSE LEVELS IN PATIENTS WITH TYPE 2 DIABETES MELLITUS. INTRODUCTION: IN VIEW OF PEOPLE EMBRACING SEDENTARY LIFE STYLE, AND THE EFFECTIVENESS OF TREATMENT BECOMING LESS, THE ROLE OF REGULAR EXERCISE ESPECIALLY 'YOGA' SEEMS TO BE A BENEFICIAL AND ECONOMICAL ADJUVANT IN THE MANAGEMENT OF THE TYPE 2 DIABETES MELLITUS (T2DM). OBJECTIVES: TO ASSESS THE BENEFICIAL EFFECTS OF YOGA ON BLOOD GLUCOSE LEVELS IN NORMAL AND T2DM VOLUNTEERS. MATERIALS AND METHODS: A PROSPECTIVE CASE-CONTROL STUDY WAS CONDUCTED IN THE DEPARTMENT OF PHYSIOLOGY AND DIABETIC CLINIC OF A TERTIARY CARE TEACHING HOSPITAL OVER PERIOD OF TWO YEARS. THE STUDY SUBJECTS CONSISTED OF 30 MALE DIABETIC PATIENTS ATTENDING DIABETIC CLINIC AND 30 NON-DIABETIC MALE VOLUNTEERS CONSTITUTED CONTROL GROUP. THE PATIENTS IN THE AGE GROUP OF 36 TO 55 YEARS WITH T2DM OF AT LEAST ONE YEAR DURATION AND THOSE ON DIABETIC DIET AND ORAL HYPOGLYCEMIC AGENTS WERE INCLUDED IN THE STUDY GROUP. THE AGE MATCHED HEALTHY MALE VOLUNTEERS WHO HAD COME TO JOIN YOGA TRAINING AT YOGA CENTRE WERE INCLUDED IN THE CONTROL GROUP. ALL THE PARTICIPANTS WERE TRAINED BY YOGA EXPERTS AND SUBJECTED TO REGULAR PRACTICE UNDER SUPERVISION FOR SIX MONTHS. IN ALL THE PARTICIPANTS FASTING (FBS) AND POST-PRANDIAL BLOOD SUGAR (PPBS) WAS ESTIMATED BEFORE, DURING (AT THREE MONTHS) AND AFTER (SIX MONTHS) YOGA TRAINING. PAIRED STUDENT T-TEST WAS USED TO ESTIMATE DIFFERENCE IN MEANS CALCULATED BEFORE AND AFTER YOGA TRAINING IN A SAME GROUP. A P-VALUE OF <0.05 WAS CONSIDERED AS STATISTICALLY SIGNIFICANT. RESULTS: THE DISTRIBUTION OF AGE, MEAN HEIGHT AND MEAN WEIGHT AMONG BOTH THE GROUPS WERE COMPARABLE. THE REDUCTION IN MEAN VALUES OF FBS AND PPBS AT THE END OF SIX MONTHS WAS HIGHLY SIGNIFICANT (P <0.001) IN BOTH THE GROUPS WHEN COMPARED WITH THE MEAN VALUES BEFORE AND DURING (THREE MONTHS) YOGA PRACTICE. THE REDUCTION IN THESE VALUES AT THREE MONTHS DURING YOGA WAS HIGHLY SIGNIFICANT IN T2DM GROUP WHEN COMPARED WITH MEAN VALUES BEFORE YOGA (P <0.001), BUT IT WAS INSIGNIFICANT (P<0.05) IN CONTROL GROUP. CONCLUSION: THE RESULTS OF THE PRESENT STUDY DEMONSTRATED THAT THE YOGA IS EFFECTIVE IN REDUCING THE BLOOD GLUCOSE LEVELS IN PATIENTS WITH T2DM. 2015 20 944 35 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