1 1023 138 EFFECTS OF YOGA AND MINDFULNESS PRACTICES ON THE AUTONOMOUS NERVOUS SYSTEM IN PRIMARY SCHOOL CHILDREN: A NON-RANDOMISED CONTROLLED STUDY. OBJECTIVES: THE PRESENT STUDY EXAMINED THE EFFECTS OF A YOGA AND MINDFULNESS-BASED PROGRAMME ON THE AUTONOMIC NERVOUS SYSTEM OF PRIMARY SCHOOL CHILDREN BY USING HEART RATE VARIABILITY PARAMETERS. DESIGN: A TWO-ARM NON-RANDOMISED CONTROLLED TRIAL COMPARED AN INTEGRATED YOGA AND MINDFULNESS-BASED PROGRAMME (16 WEEKS) TO CONVENTIONAL PRIMARY SCHOOL LESSONS. SETTING: PRIMARY SCHOOL CLASSROOMS AND CONFERENCE ROOMS. INTERVENTIONS: PARTICIPANTS WERE ALLOCATED TO A 16-WEEK INTEGRATED YOGA-BASED PROGRAMME OR CONVENTIONAL SCHOOL LESSONS. A SUBGROUP WAS RANDOMISED TO RECEIVE 24H ELECTROCARDIOGRAM-RECORDINGS. MAIN OUTCOME MEASURES: HEART RATE VARIABILITY INDICES WERE MEASURED, BOTH LINEAR (TIME AND FREQUENCY DOMAIN) AND NON-LINEAR (SYMBOLIC DYNAMICS, COMPRESSION ENTROPY), CALCULATED FROM 30-MINUTE EXTRACTS OF HOLTER-ELECTROCARDIOGRAM-RECORDINGS. ASSESSMENTS WERE CONDUCTED AT BASELINE AND AT THE END OF INTERVENTION. RESULTS: 40 PARTICIPANTS (42.5% FEMALE) WERE INCLUDED INTO THE ANALYSIS OF HRV. NO SIGNIFICANT CHANGES IN HEART RATE VARIABILITY PARAMETERS WERE OBSERVED BETWEEN THE GROUPS AFTER 16 WEEKS. IN THE INTERVENTION GROUP, A TREND TOWARDS INCREASED PARASYMPATHETIC ACTIVITY COULD BE SEEN OVER TIME, ALTHOUGH NOT SIGNIFICANTLY ENHANCED COMPARED TO THE CONTROL GROUP. CONCLUSION: RESULTS OBTAINED HERE DO NOT CLEARLY SHOW THAT CHILDREN IN GERMAN PRIMARY SCHOOL SETTINGS BENEFIT FROM AN INTEGRATED YOGA-BASED INTERVENTION. HOWEVER, EXPLORATORY POST-HOC ANALYSES POINT INTERESTINGLY TO AN INCREASED NOCTURNAL PARASYMPATHETIC ACTIVITY IN THE INTERVENTION GROUP. FURTHER STUDIES ARE REQUIRED WITH HIGH-QUALITY STUDY DESIGNS, LARGER SAMPLE SIZES AND LONGER-TERM FOLLOW-UPS. 2021 2 2680 66 YOGA IN SCHOOL SPORTS IMPROVES FUNCTIONING OF AUTONOMIC NERVOUS SYSTEM IN YOUNG ADULTS: A NON-RANDOMIZED CONTROLLED PILOT STUDY. BACKGROUND: YOGA IN SCHOOL IS A BENEFICIAL TOOL TO PROMOTE THE GOOD HEALTH AND WELL-BEING OF STUDENTS BY CHANGING THE WAY THEY REACT TO STRESS. THE POSITIVE EFFECTS OF YOGA-TAUGHT IN SCHOOLS-ON CHILDREN, YOUTH AND YOUNG ADULTS HAVE BEEN DEMONSTRATED IN FORMER STUDIES USING MOSTLY SUBJECTIVE PSYCHOMETRIC DATA. AIM: THE PRESENT TRIAL AIMS TO EVALUATE THE POTENTIAL EFFECTS OF YOGA ON AUTONOMIC REGULATION IN YOUNG ADULTS BY ANALYZING HEART RATE VARIABILITY (HRV). METHODS: THIS STUDY IS A NON-RANDOMIZED, EXPLORATIVE, TWO-ARM-PILOT STUDY WITH AN ACTIVE CONTROL GROUP. FOURTEEN HEALTHY YOUNG ADULTS TOOK PART IN A 10-WEEK YOGA PROGRAM (90 MIN ONCE A WEEK) IN SCHOOL AND WERE COMPARED TO A CONTROL GROUP OF 11 STUDENTS WHO PARTICIPATED IN CONVENTIONAL SCHOOL SPORTS (90 MIN ONCE A WEEK OVER 10 WEEKS). 24-HOUR ELECTROCARDIOGRAMS (ECGS) WERE RECORDED AT BASELINE AND FOLLOWING THE 10-WEEK INTERVENTION. FROM 20-MINUTE OF NOCTURNAL SLEEP PHASES, HRV PARAMETERS WERE CALCULATED FROM LINEAR (TIME AND FREQUENCY DOMAIN) AND NONLINEAR DYNAMICS (SUCH AS SYMBOLIC DYNAMICS AND POINCARE PLOT ANALYSIS). ANALYSES OF VARIANCE (ANOVA) FOLLOWED BY T-TESTS AS POST-HOC TESTS ESTIMATING BOTH STATISTICAL SIGNIFICANCE AND EFFECT SIZE WERE USED TO COMPARE PRE-POST-INTERVENTION FOR THE TWO GROUPS. RESULTS: THE STATISTICAL ANALYSIS OF THE INTERACTION EFFECTS DID NOT REVEAL A SIGNIFICANT GROUP AND TIME INTERACTION FOR THE INDIVIDUAL NOCTURNAL HRV INDICES. ALMOST ALL INDICES REVEALED MEDIUM AND LARGE EFFECTS REGARDING THE TIME MAIN EFFECTS. THE CHANGES IN THE HRV INDICES FOLLOWING THE INTERVENTION WERE MORE DRAMATIC FOR THE YOGA GROUP THAN FOR THE CONTROL GROUP WHICH IS REFLECTED IN PREDOMINANTLY HIGHER SIGNIFICANCES AND STRONGER EFFECT SIZES IN THE YOGA GROUP. CONCLUSION: IN THIS EXPLORATIVE PILOT TRIAL, AN INCREASE OF HRV (MORE PARASYMPATHETIC DOMINANCE AND OVERALL HIGHER HRV) AFTER TEN WEEKS OF YOGA IN SCHOOL IN COMPARISON TO REGULAR SCHOOL SPORTS WAS DEMONSTRATED, SHOWING AN IMPROVED SELF-REGULATION OF THE AUTONOMIC NERVOUS SYSTEM. 2020 3 1062 40 EFFECTS OF YOGA ON HEART RATE VARIABILITY AND DEPRESSIVE SYMPTOMS IN WOMEN: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: THE PURPOSE OF THE STUDY WAS TO INVESTIGATE THE EFFECTS OF A 12-WEEK YOGA PROGRAM ON HEART RATE VARIABILITY (HRV) AND DEPRESSIVE SYMPTOMS IN DEPRESSED WOMEN. METHODS: THIS WAS A RANDOMIZED CONTROLLED TRIAL. TWENTY-SIX SEDENTARY WOMEN SCORING >/=14 ON THE BECK DEPRESSION INVENTORY-II WERE RANDOMIZED TO EITHER THE YOGA OR THE CONTROL GROUP. THE YOGA GROUP COMPLETED A 12-WEEK YOGA PROGRAM, WHICH TOOK PLACE TWICE A WEEK FOR 60 MIN PER SESSION AND CONSISTED OF BREATHING EXERCISES, YOGA POSE PRACTICE, AND SUPINE MEDITATION/RELAXATION. THE CONTROL GROUP WAS INSTRUCTED NOT TO ENGAGE IN ANY YOGA PRACTICE AND TO MAINTAIN THEIR USUAL LEVEL OF PHYSICAL ACTIVITY DURING THE COURSE OF THE STUDY. PARTICIPANTS' HRV, DEPRESSIVE SYMPTOMS, AND PERCEIVED STRESS WERE ASSESSED AT BASELINE AND POST-TEST. RESULTS: THE YOGA GROUP HAD A SIGNIFICANT INCREASE IN HIGH-FREQUENCY HRV AND DECREASES IN LOW-FREQUENCY HRV AND LOW FREQUENCY/HIGH FREQUENCY RATIO AFTER THE INTERVENTION. THE YOGA GROUP ALSO REPORTED SIGNIFICANTLY REDUCED DEPRESSIVE SYMPTOMS AND PERCEIVED STRESS. NO CHANGE WAS FOUND IN THE CONTROL GROUP. CONCLUSIONS: A 12-WEEK YOGA PROGRAM WAS EFFECTIVE IN INCREASING PARASYMPATHETIC TONE AND REDUCING DEPRESSIVE SYMPTOMS AND PERCEIVED STRESS IN WOMEN WITH ELEVATED DEPRESSIVE SYMPTOMS. REGULAR YOGA PRACTICE MAY BE RECOMMENDED FOR WOMEN TO COPE WITH THEIR DEPRESSIVE SYMPTOMS AND STRESS AND TO IMPROVE THEIR HRV. 2017 4 243 55 A YOGA & EXERCISE RANDOMIZED CONTROLLED TRIAL FOR VASOMOTOR SYMPTOMS: EFFECTS ON HEART RATE VARIABILITY. OBJECTIVES: HEART RATE VARIABILITY (HRV) REFLECTS THE INTEGRATION OF THE PARASYMPATHETIC NERVOUS SYSTEM WITH THE REST OF THE BODY. STUDIES ON THE EFFECTS OF YOGA AND EXERCISE ON HRV HAVE BEEN MIXED BUT SUGGEST THAT EXERCISE INCREASES HRV. WE CONDUCTED A SECONDARY ANALYSIS OF THE EFFECT OF YOGA AND EXERCISE ON HRV BASED ON A RANDOMIZED CLINICAL TRIAL OF TREATMENTS FOR VASOMOTOR SYMPTOMS IN PERI/POST-MENOPAUSAL WOMEN. DESIGN: RANDOMIZED CLINICAL TRIAL OF BEHAVIORAL INTERVENTIONS IN WOMEN WITH VASOMOTOR SYMPTOMS (N=335), 40-62 YEARS OLD FROM THREE CLINICAL STUDY SITES. INTERVENTIONS: 12-WEEKS OF A YOGA PROGRAM, DESIGNED SPECIFICALLY FOR MID-LIFE WOMEN, OR A SUPERVISED AEROBIC EXERCISE-TRAINING PROGRAM WITH SPECIFIC INTENSITY AND ENERGY EXPENDITURE GOALS, COMPARED TO A USUAL ACTIVITY GROUP. MAIN OUTCOME MEASURES: TIME AND FREQUENCY DOMAIN HRV MEASURED AT BASELINE AND AT 12 WEEKS FOR 15MIN USING HOLTER MONITORS. RESULTS: WOMEN HAD A MEDIAN OF 7.6 VASOMOTOR SYMPTOMS PER 24H. TIME AND FREQUENCY DOMAIN HRV MEASURES DID NOT CHANGE SIGNIFICANTLY IN EITHER OF THE INTERVENTION GROUPS COMPARED TO THE CHANGE IN THE USUAL ACTIVITY GROUP. HRV RESULTS DID NOT DIFFER WHEN THE ANALYSES WERE RESTRICTED TO POST-MENOPAUSAL WOMEN. CONCLUSIONS: ALTHOUGH YOGA AND EXERCISE HAVE BEEN SHOWN TO INCREASE PARASYMPATHETIC-MEDIATED HRV IN OTHER POPULATIONS, NEITHER INTERVENTION INCREASED HRV IN MIDDLE-AGED WOMEN WITH VASOMOTOR SYMPTOMS. MIXED RESULTS IN PREVIOUS RESEARCH MAY BE DUE TO SAMPLE DIFFERENCES. YOGA AND EXERCISE LIKELY IMPROVE SHORT-TERM HEALTH IN MIDDLE-AGED WOMEN THROUGH MECHANISMS OTHER THAN HRV. 2016 5 1063 43 EFFECTS OF YOGA ON HEART RATE VARIABILITY AND MOOD IN WOMEN: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVE: TO EXAMINE THE EFFECTS OF AN 8-WEEK YOGA PROGRAM ON HEART RATE VARIABILITY AND MOOD IN GENERALLY HEALTHY WOMEN. DESIGN: RANDOMIZED CONTROLLED TRIAL. PARTICIPANTS: FIFTY-TWO HEALTHY WOMEN WERE RANDOMLY ASSIGNED TO A YOGA GROUP OR A CONTROL GROUP. INTERVENTIONS: PARTICIPANTS IN THE YOGA GROUP COMPLETED AN 8-WEEK YOGA PROGRAM, WHICH COMPRISED A 60-MINUTE SESSION TWICE A WEEK. EACH SESSION CONSISTED OF BREATHING EXERCISES, YOGA POSE PRACTICE, AND SUPINE MEDITATION/RELAXATION. THE CONTROL GROUP WAS INSTRUCTED NOT TO ENGAGE IN ANY YOGA PRACTICE AND TO MAINTAIN THEIR USUAL LEVEL OF PHYSICAL ACTIVITY DURING THE STUDY. OUTCOME MEASURES: PARTICIPANTS' HEART RATE VARIABILITY, PERCEIVED STRESS, DEPRESSIVE SYMPTOMS, AND STATE AND TRAIT ANXIETY WERE ASSESSED AT BASELINE (WEEK 0) AND AFTER THE INTERVENTION (WEEK 9). RESULTS: NO MEASURES OF HEART RATE VARIABILITY CHANGED SIGNIFICANTLY IN EITHER THE YOGA OR CONTROL GROUP AFTER INTERVENTION. STATE ANXIETY WAS REDUCED SIGNIFICANTLY IN THE YOGA GROUP BUT NOT IN THE CONTROL GROUP. NO SIGNIFICANT CHANGES WERE NOTED IN PERCEIVED STRESS, DEPRESSION, OR TRAIT ANXIETY IN EITHER GROUP. CONCLUSIONS: AN 8-WEEK YOGA PROGRAM WAS NOT SUFFICIENT TO IMPROVE HEART RATE VARIABILITY. HOWEVER, SUCH A PROGRAM APPEARS TO BE EFFECTIVE IN REDUCING STATE ANXIETY IN GENERALLY HEALTHY WOMEN. FUTURE RESEARCH SHOULD INVOLVE LONGER PERIODS OF YOGA TRAINING, INCLUDE HEART RATE VARIABILITY MEASURES BOTH AT REST AND DURING YOGA PRACTICE, AND ENROLL WOMEN WITH HIGHER LEVELS OF STRESS AND TRAIT ANXIETY. 2015 6 1318 44 HEART RATE VARIABILITY IN CHRONIC LOW BACK PAIN PATIENTS RANDOMIZED TO YOGA OR STANDARD CARE. BACKGROUND: CHRONIC PAIN CAN ALTER THE AUTONOMIC BALANCE WITH INCREASED SYMPATHETIC ACTIVITY REFLECTED IN ALTERED HEART RATE VARIABILITY (HRV). IT HAS BEEN PROPOSED THAT YOGA CAN BE USEFUL TO CORRECT THE AUTONOMIC IMBALANCE IN PATIENTS WITH CHRONIC PAIN WHO HAVE REDUCED HRV. METHODS AND DESIGNS: IN THE PRESENT RANDOMIZED CONTROLLED TRIAL 62 PATIENTS WITH CHRONIC LOW BACK PAIN ASSOCIATED WITH ALTERED ALIGNMENT OF INTERVERTEBRAL DISCS (AGED BETWEEN 20 AND 45 YEARS, 32 MALES) WERE RANDOMIZED TO 2 GROUPS. ONE GROUP RECEIVED YOGA FOR 3 MONTHS WHILE THE OTHER GROUP CARRIED OUT STANDARD MEDICAL CARE BASED ON THE PHYSICIAN'S ADVICE. THE DURATION WAS THE SAME, I.E., 3 MONTHS. THE HEART RATE VARIABILITY AND RATE OF RESPIRATION WERE ASSESSED AT BASELINE AND AT THE END OF 3 MONTHS. RESULTS: THERE WAS A SIGNIFICANT DIFFERENCE IN THE BASELINE (PRE) VALUES BETWEEN GROUPS (P = 0.008) FOR RESPIRATION RATE WHICH WAS HIGHER IN THE YOGA GROUP. THE CHANGES REPORTED BELOW ARE PRE-POST COMPARISONS WITHIN EACH GROUP. THE YOGA GROUP SHOWED A SIGNIFICANT (P < 0.05; REPEATED MEASURES ANOVA, POST-HOC ANALYSES) DECREASE IN THE LF POWER OF HRV, RATE OF RESPIRATION AND A SIGNIFICANT INCREASE IN THE HF POWER OF HRV AND IN THE PNN50. CONCLUSION: THE RESULTS SUGGEST THAT YOGA PRACTICE CAN SHIFT THE AUTONOMIC BALANCE TOWARDS VAGAL DOMINANCE IN PATIENTS WITH CHRONIC LOW BACK PAIN ASSOCIATED WITH ALTERED ALIGNMENT OF INTERVERTEBRAL DISCS. TRIAL REGISTRATION: THE STUDY IS REGISTERED WITH THE CLINICAL TRIALS REGISTRY OF INDIA ( CTRI/2012/11/003094 ) AND CAN BE ACCESSED AT. 2016 7 1707 36 PATTERNS OF YOGA PRACTICE AND PHYSICAL ACTIVITY FOLLOWING A YOGA INTERVENTION FOR ADULTS WITH OR AT RISK FOR TYPE 2 DIABETES. BACKGROUND: THE CURRENT STUDY DESCRIBED PATTERNS OF YOGA PRACTICE AND EXAMINED DIFFERENCES IN PHYSICAL ACTIVITY OVER TIME BETWEEN INDIVIDUALS WITH OR AT RISK FOR TYPE 2 DIABETES WHO COMPLETED AN 8-WEEK YOGA INTERVENTION COMPARED WITH CONTROLS. METHODS: A LONGITUDINAL COMPARATIVE DESIGN MEASURED THE EFFECT OF A YOGA INTERVENTION ON YOGA PRACTICE AND PHYSICAL ACTIVITY, USING DATA AT BASELINE AND POSTINTERVENTION MONTHS 3, 6, AND 15. RESULTS: DISPARATE PATTERNS OF YOGA PRACTICE OCCURRED BETWEEN INTERVENTION AND CONTROL PARTICIPANTS OVER TIME, BUT THE SUBJECTIVE DEFINITION OF YOGA PRACTICE LIMITS INTERPRETATION. MULTILEVEL MODEL ESTIMATES INDICATED THAT TREATMENT GROUP DID NOT HAVE A SIGNIFICANT INFLUENCE IN THE RATE OF CHANGE IN PHYSICAL ACTIVITY OVER THE STUDY PERIOD. WHILE AGE AND EDUCATION WERE NOT SIGNIFICANT INDIVIDUAL PREDICTORS, THE INCLUSION OF THESE VARIABLES IN THE MODEL DID IMPROVE FIT. CONCLUSIONS: FINDINGS INDICATE THAT AN 8-WEEK YOGA INTERVENTION HAD LITTLE EFFECT ON PHYSICAL ACTIVITY OVER TIME. FURTHER RESEARCH IS NECESSARY TO EXPLORE THE INFLUENCE OF YOGA ON BEHAVIORAL HEALTH OUTCOMES AMONG INDIVIDUALS WITH OR AT RISK FOR TYPE 2 DIABETES. 2012 8 2000 34 STRESS MANAGEMENT: A RANDOMIZED STUDY OF COGNITIVE BEHAVIOURAL THERAPY AND YOGA. IN THIS STUDY, A STRESS MANAGEMENT PROGRAM BASED ON COGNITIVE BEHAVIOURAL THERAPY PRINCIPLES WAS COMPARED WITH A KUNDALINIYOGA PROGRAM. A STUDY SAMPLE OF 26 WOMEN AND 7 MEN FROM A LARGE SWEDISH COMPANY WERE DIVIDED RANDOMLY INTO 2 GROUPS FOR EACH OF THE DIFFERENT FORMS OF INTERVENTION; A TOTAL OF 4 GROUPS. THE GROUPS WERE INSTRUCTED BY TRAINED GROUP LEADERS AND 10 SESSIONS WERE HELD WITH EACH OF GROUPS, OVER A PERIOD OF 4 MONTHS. PSYCHOLOGICAL (SELF-RATED STRESS AND STRESS BEHAVIOUR, ANGER, EXHAUSTION, QUALITY OF LIFE) AND PHYSIOLOGICAL (BLOOD PRESSURE, HEART RATE, URINARY CATECHOLAMINES, SALIVARY CORTISOL) MEASUREMENTS OBTAINED BEFORE AND AFTER TREATMENT SHOWED SIGNIFICANT IMPROVEMENTS ON MOST OF THE VARIABLES IN BOTH GROUPS AS WELL AS MEDIUM-TO-HIGH EFFECT SIZES. HOWEVER, NO SIGNIFICANT DIFFERENCE WAS FOUND BETWEEN THE 2 PROGRAMS. THE RESULTS INDICATE THAT BOTH COGNITIVE BEHAVIOUR THERAPY AND YOGA ARE PROMISING STRESS MANAGEMENT TECHNIQUES. 2006 9 2222 50 THE IMPACT OF MODIFIED HATHA YOGA ON CHRONIC LOW BACK PAIN: A PILOT STUDY. PURPOSE: THE PURPOSE OF THIS RANDOMIZED PILOT STUDY WAS TO EVALUATE A POSSIBLE DESIGN FOR A 6-WEEK MODIFIED HATHA YOGA PROTOCOL TO STUDY THE EFFECTS ON PARTICIPANTS WITH CHRONIC LOW BACK PAIN. PARTICIPANTS: TWENTY-TWO PARTICIPANTS (M = 4; F = 17), BETWEEN THE AGES OF 30 AND 65, WITH CHRONIC LOW BACK PAIN (CLBP) WERE RANDOMIZED TO EITHER AN IMMEDIATE YOGA BASED INTERVENTION, OR TO A CONTROL GROUP WITH NO TREATMENT DURING THE OBSERVATION PERIOD BUT RECEIVED LATER YOGA TRAINING. METHODS: A SPECIFIC CLBP YOGA PROTOCOL DESIGNED AND MODIFIED FOR THIS POPULATION BY A CERTIFIED YOGA INSTRUCTOR WAS ADMINISTERED FOR ONE HOUR, TWICE A WEEK FOR 6 WEEKS. PRIMARY FUNCTIONAL OUTCOME MEASURES INCLUDED THE FORWARD REACH (FR) AND SIT AND REACH (SR) TESTS. ALL PARTICIPANTS COMPLETED OSWESTRY DISABILITY INDEX (ODI) AND BECK DEPRESSION INVENTORY (BDI) QUESTIONNAIRES. GUIDING QUESTIONS WERE USED FOR QUALITATIVE DATA ANALYSIS TO ASCERTAIN HOW YOGA PARTICIPANTS PERCEIVED THE INSTRUCTOR, GROUP DYNAMICS, AND THE IMPACT OF YOGA ON THEIR LIFE. ANALYSIS: TO ACCOUNT FOR DROP OUTS, THE DATA WERE DIVIDED INTO BETTER OR NOT CATEGORIES, AND ANALYZED USING CHI-SQUARE TO EXAMINE DIFFERENCES BETWEEN THE GROUPS. QUALITATIVE DATA WERE ANALYZED THROUGH FREQUENCY OF POSITIVE RESPONSES. RESULTS: POTENTIALLY IMPORTANT TRENDS IN THE FUNCTIONAL MEASUREMENT SCORES SHOWED IMPROVED BALANCE AND FLEXIBILITY AND DECREASED DISABILITY AND DEPRESSION FOR THE YOGA GROUP BUT THIS PILOT WAS NOT POWERED TO REACH STATISTICAL SIGNIFICANCE. SIGNIFICANT LIMITATIONS INCLUDED A HIGH DROPOUT RATE IN THE CONTROL GROUP AND LARGE BASELINE DIFFERENCES IN THE SECONDARY MEASURES. IN ADDITION, ANALYSIS OF THE QUALITATIVE DATA REVEALED THE FOLLOWING FREQUENCY OF RESPONSES (1) GROUP INTERVENTION MOTIVATED THE PARTICIPANTS AND (2) YOGA FOSTERED RELAXATION AND NEW AWARENESS/LEARNING. CONCLUSION: A MODIFIED YOGA-BASED INTERVENTION MAY BENEFIT INDIVIDUALS WITH CLB, BUT A LARGER STUDY IS NECESSARY TO PROVIDE DEFINITIVE EVIDENCE. ALSO, THE IMPACT ON DEPRESSION AND DISABILITY COULD BE CONSIDERED AS IMPORTANT OUTCOMES FOR FURTHER STUDY. ADDITIONAL FUNCTIONAL OUTCOME MEASURES SHOULD BE EXPLORED. THIS PILOT STUDY SUPPORTS THE NEED FOR MORE RESEARCH INVESTIGATING THE EFFECT OF YOGA FOR THIS POPULATION. 2004 10 1076 34 EFFECTS OF YOGA ON PHYSIOLOGICAL INDICES, ANXIETY AND SOCIAL FUNCTIONING IN MULTIPLE SCLEROSIS PATIENTS: A RANDOMIZED TRIAL. INTRODUCTION: MULTIPLE SCLEROSIS (MS) AS A CHRONIC DISEASE COULD AFFECT PATIENTS' VARIOUS DOMAINS OF LIFE. AIM: THIS STUDY WAS CONDUCTED TO STUDY THE EFFECT OF YOGA ON THE PHYSIOLOGICAL INDICES, ANXIETY AND SOCIAL FUNCTIONING OF PATIENTS WITH MS IN SOUTHWEST, IRAN. MATERIALS AND METHODS: IN THIS CLINICAL TRIAL STUDY, 60 MS PATIENTS WERE ENROLLED ACCORDING TO INCLUSION CRITERIA AND RANDOMLY ASSIGNED TO TWO GROUPS OF 30 EACH. PRIOR TO AND AFTER INTERVENTION, THE PATIENTS' VITAL SIGNS WERE MEASURED. FOR CASE GROUP YOGA EXERCISES WERE PERFORMED THREE SESSIONS A WEEK FOR 12 WEEKS WHILE CONTROL GROUP PERFORMED NO EXERCISE. THE DATA WERE GATHERED BY QUESTIONNAIRE AND ANALYSED BY DESCRIPTIVE AND ANALYTICAL STATISTICS IN SPSS. RESULTS: PRIOR TO INTERVENTION, THERE WAS NO SIGNIFICANT DIFFERENCE IN FATIGUE SEVERITY AND PAIN BETWEEN THE TWO GROUPS BUT THE MEAN FATIGUE SEVERITY AND PAIN IN CASE GROUP DECREASED COMPARED TO THE CONTROL GROUP AFTER THE INTERVENTION. PRIOR TO INTERVENTION, THERE WAS NO SIGNIFICANT DIFFERENCE IN MEAN PHYSIOLOGICAL INDICES BETWEEN THE TWO GROUPS BUT THE MEAN PHYSIOLOGICAL INDICES IN CASE GROUP DECREASED SIGNIFICANTLY AFTER THE INTERVENTION (P<0.05). CONCLUSION: YOGA IS LIKELY TO INCREASE SELF-EFFICACY OF MS PATIENTS THROUGH ENHANCING PHYSICAL ACTIVITY, INCREASING THE STRENGTH OF LOWER LIMBS AND BALANCE, AND DECREASING FATIGUE AND PAIN, AND FINALLY TO PROMOTE SOCIAL FUNCTIONING AND TO RELIEVE STRESS AND ANXIETY IN THESE PATIENTS. 2016 11 452 39 CHANGES IN HEART RATE VARIABILITY AFTER YOGA ARE DEPENDENT ON HEART RATE VARIABILITY AT BASELINE AND DURING YOGA: A STUDY SHOWING AUTONOMIC NORMALIZATION EFFECT IN YOGA-NAIVE AND EXPERIENCED SUBJECTS. BACKGROUND: YOGA THERAPY IS WIDELY APPLIED TO THE MAINTENANCE OF HEALTH AND TO TREATMENT OF VARIOUS ILLNESSES. PREVIOUS RESEARCHES INDICATE THE INVOLVEMENT OF AUTONOMIC CONTROL IN ITS EFFECTS, ALTHOUGH THE GENERAL AGREEMENT HAS NOT BEEN REACHED REGARDING THE ACUTE MODULATION OF AUTONOMIC FUNCTION. AIM: THE PRESENT STUDY AIMED AT REVEALING THE ACUTE EFFECT OF YOGA ON THE AUTONOMIC ACTIVITY USING HEART RATE VARIABILITY (HRV) MEASUREMENT. METHODS: TWENTY-SEVEN HEALTHY CONTROLS PARTICIPATED IN THE PRESENT STUDY. FIFTEEN OF THEM (39.5 +/- 8.5 YEARS OLD) WERE NAIVE AND 12 (45.1 +/- 7.0 YEARS OLD) WERE EXPERIENCED IN YOGA. YOGA SKILLS INCLUDED BREATH AWARENESS, TWO TYPES OF ASANA, AND TWO TYPES OF PRANAYAMA. HRV WAS MEASURED AT THE BASELINE, DURING YOGA, AND AT THE RESTING STATE AFTER YOGA. RESULTS: IN BOTH YOGA-NAIVE AND EXPERIENCED PARTICIPANTS, THE CHANGES IN LOW-FREQUENCY (LF) COMPONENT OF HRV AND ITS RATIO TO HIGH-FREQUENCY (HF) COMPONENT (LF/HF) AFTER YOGA WERE FOUND TO BE CORRELATED NEGATIVELY WITH THE BASELINE DATA. THE CHANGES IN LF AFTER YOGA WERE ALSO CORRELATED WITH LF DURING YOGA. THE CHANGES IN HF AS WELL AS THE RAW HRV DATA AFTER YOGA WERE NOT RELATED TO THE BASELINE HRV OR THE HRV DURING YOGA. CONCLUSION: THE RESULTS INDICATE THAT YOGA LEADS TO AN INCREASE IN LF WHEN LF IS LOW AND LEADS TO A DECREASE IN LF WHEN IT IS HIGH AT THE BASELINE. THIS NORMALIZATION OF LF IS DEPENDENT ON THE AUTONOMIC MODULATION DURING YOGA AND MAY UNDERLIE THE CLINICAL EFFECTIVENESS OF YOGA THERAPY BOTH IN YOGA-NAIVE AND EXPERIENCED SUBJECTS. 2020 12 1402 41 IMPACT OF YOGA ON BLOOD PRESSURE AND QUALITY OF LIFE IN PATIENTS WITH HYPERTENSION - A CONTROLLED TRIAL IN PRIMARY CARE, MATCHED FOR SYSTOLIC BLOOD PRESSURE. BACKGROUND: MEDICAL TREATMENT OF HYPERTENSION IS NOT ALWAYS SUFFICIENT TO ACHIEVE BLOOD PRESSURE CONTROL. DESPITE THIS, PREVIOUS STUDIES ON SUPPLEMENTARY THERAPIES, SUCH AS YOGA, ARE RELATIVELY FEW. WE INVESTIGATED THE EFFECTS OF TWO YOGA INTERVENTIONS ON BLOOD PRESSURE AND QUALITY OF LIFE IN PATIENTS IN PRIMARY HEALTH CARE DIAGNOSED WITH HYPERTENSION. METHODS: ADULT PATIENTS (AGE 20-80 YEARS) WITH DIAGNOSED HYPERTENSION WERE IDENTIFIED BY AN ELECTRONIC CHART SEARCH AT A PRIMARY HEALTH CARE CENTER IN SOUTHERN SWEDEN. IN TOTAL, 83 SUBJECTS WITH BLOOD PRESSURE VALUES OF 120-179/