1 1388 154 IMPACT OF SHORT-TERM PRACTICE OF YOGA ON HEART RATE VARIABILITY. BACKGROUND: YOGA IS A SCIENCE THAT FACILITATES HOMEOSTASIS, AN ANCIENT WAY OF LIFE INTENDED TO IMPROVE THE QUALITY OF LIFE OF AN INDIVIDUAL. PRACTICE OF YOGA IS PROPOSED TO ALTER THE AUTONOMIC NERVOUS SYSTEM AND AFFECT THE CARDIOVASCULAR FUNCTIONING. THIS STUDY WAS INTENDED TO ASSESS THE INFLUENCE OF SHORT-TERM PRACTICE OF YOGA FOR A MONTH ON HEART RATE VARIABILITY (HRV). MATERIALS AND METHODS: TOTALLY, 40 HEALTHY MALE VOLUNTEERS IN THE AGE GROUP OF 30-60 YEARS WILLING TO PRACTICE YOGA FOR A MONTH WERE INCLUDED IN THE STUDY. HRV WAS ASSESSED USING HRV DEVICE (RMS VAGUS, INDIA). PREINTERVENTIONAL ASSESSMENT OF HRV WAS DONE IN THESE SUBJECTS. PRACTICE OF YOGA THAT INCLUDED A SET OF PHYSICAL POSTURES (ASANAS), BREATHING TECHNIQUES (PRANAYAMA), AND MEDITATION (DHYANA) WERE PERFORMED FOR AN HOUR DAILY FOR 1 MONTH UNDER THE GUIDANCE OF A CERTIFIED YOGA INSTRUCTOR. POSTINTERVENTIONAL ASSESSMENT OF HRV WAS DONE. THE VALUES WERE EXPRESSED IN MEDIAN AND THEIR INTERQUARTILE RANGE, AND STATISTICAL ANALYSIS WAS DONE TO COMPARE THE CHANGES USING WILCOXON SIGNED RANK TEST. RESULTS: THIRTY-TWO OF 40 SUBJECTS RECRUITED FOR YOGA PRACTICE COMPLETED THE STUDY PROTOCOL. ANALYSIS OF HRV REVEALED THAT IN TIME DOMAIN PARAMETERS, SDNN INCREASED FROM 33.60 (31.41-44.82) TO 42.11 (34.43-57.51), RMSSD INCREASED FROM 22.00 (16.00-33.80) TO 25.6 (17.0-34.8), AND PNN50 INCREASED FROM 2.45 (0.80-15.38) TO 7.35 (1.40-18.57) AFTER INTERVENTION. IN THE FREQUENCY DOMAIN PARAMETERS, THE LOW-FREQUENCY (LF) POWER SPECTRUM REDUCED FROM 39.30 (25.1-46.25) TO 30.40 (22.75-40.62) AND LF/HIGH-FREQUENCY RATIO WAS REDUCED FROM 2.62 (1.91-4.07) TO 2.28 (1.4-3.07) AFTER 1 MONTH PRACTICE OF YOGA. P < 0.05 WAS CONSIDERED STATISTICALLY SIGNIFICANT. CONCLUSION: AUTONOMIC BALANCE TILTS TOWARD PARASYMPATHETIC PREDOMINANCE AFTER 1 MONTH PRACTICE OF YOGA. 2016 2 850 39 EFFECT OF YOGA ON SHORT-TERM HEART RATE VARIABILITY MEASURE AS A STRESS INDEX IN SUBJUNIOR CYCLISTS: A PILOT STUDY. SUBJUNIOR ATHLETES EXPERIENCE MENTAL STRESS DUE TO PRESSURE FROM THE COACH, TEACHERS AND PARENTS FOR BETTER PERFORMANCE. STRESS, IF REMAINS FOR LONGER PERIOD AND NOT MANAGED APPROPRIATELY CAN LEADS TO NEGATIVE PHYSICAL, MENTAL AND COGNITIVE IMPACT ON CHILDREN. THE PRESENT STUDY WAS AIMED TO EVALUATE THE EFFECT OF INTEGRATED YOGA MODULE ON HEART RATE VARIABILITY (HRV) MEASURE AS A STRESS INDEX IN SUBJUNIOR CYCLISTS. FAST FURRIER TRANSFORM TECHNIQUE OF FREQUENCY DOMAIN METHOD WAS USED FOR THE ANALYSIS OF HRV. WE HAVE FOUND A SIGNIFICANT INCREASE IN HIGH FREQUENCY (HF) COMPONENT BY 14.64% (P < 0.05) AND DECREASE IN THE LOW FREQUENCY COMPONENT (LF) OF HRV SPECTRUM BY 5.52% (P < 0.05) AND A DECREASE IN LF/HF RATIO BY 19.63% (P < 0.01) IN YOGA GROUP. IN THE CONTROL GROUP, THERE WAS DECREASE IN THE HF COMPONENT AND, NO SIGNIFICANT DIFFERENCE IN THE LF COMPONENT OF HRV SPECTRUM AND LF/HF RATIO. THE RESULTS SHOW THAT YOGA PRACTICE DECREASES SYMPATHETIC ACTIVITY AND CAUSES A SHIFT IN THE AUTONOMIC BALANCE TOWARDS PARASYMPATHETIC DOMINANCE INDICATING A REDUCTION IN STRESS. IN CONCLUSION, YOGA PRACTICE HELPS TO REDUCE STRESS BY OPTIMIZING THE AUTONOMIC FUNCTIONS. SO, IT IS SUGGESTED TO INCORPORATE YOGA MODULE AS A REGULAR FEATURE TO KEEP SUBJUNIOR ATHLETES BOTH MENTALLY AND PHYSICALLY FIT. 2013 3 890 43 EFFECT OF YOGA-BASED CARDIAC REHABILITATION ON HEART RATE VARIABILITY: RANDOMIZED CONTROLLED TRIAL IN PATIENTS POST-MI. AUTONOMIC DYSFUNCTION IS AN INDEPENDENT PREDICTOR OF CARDIOVASCULAR AND ALL-CAUSE MORTALITY AFTER MYOCARDIAL INFARCTION (MI). WE TESTED THE EFFECTS OF A 12-WEEK YOGA-BASED CARDIAC REHABILITATION PROGRAM ON HEART RATE VARIABILITY (HRV) IN 80 PATIENTS POST-MI. THIS RANDOMIZED CONTROLLED TRIAL WITH TWO PARALLEL GROUPS WAS CARRIED OUT IN A TERTIARY CARE INSTITUTION IN INDIA. THE YOGA GROUP RECEIVED 13 HOSPITAL-BASED STRUCTURED YOGA SESSIONS AS AN ADJUNCT TO STANDARD CARE. CONTROL GROUP PARTICIPANTS RECEIVED ENHANCED STANDARD CARE INVOLVING THREE BRIEF EDUCATIONAL SESSIONS WITH A LEAFLET ON THE IMPORTANCE OF DIET AND PHYSICAL ACTIVITY. HRV WAS MEASURED IN ALL PARTICIPANTS WITH LEAD II ELECTROCARDIOGRAM (ECG) SIGNALS. ONE YOGA GROUP PATIENT'S DATA WERE EXCLUDED DUE TO ECG ABNORMALITIES. BASELINE MEASUREMENT WAS DONE 3 WEEKS POST-MI, AND POSTINTERVENTION ASSESSMENT TOOK PLACE AT THE 13TH WEEK. HRV FREQUENCY AND TIME DOMAIN INDICES WERE ANALYZED. THERE WERE NO SIGNIFICANT BETWEEN-GROUP DIFFERENCES IN THE HRV TIME DOMAIN INDICES. FREQUENCY DOMAIN INDICES SHOWED SIGNIFICANT BETWEEN-GROUP DIFFERENCES IN HF POWER (ABSOLUTE) (YOGA VS. CONTROL: 114.42 [-794.80-7,993.78] VS. -38.14 [-4,843.50-1,617.87], P = 0.005) AND TOTAL POWER (NU) (YOGA VS. CONTROL: 44.96 [21.94] VS. -19.55 [15.42], P = 0.01) WITH HIGHER HF POWER AND TOTAL POWER (NU) IN THE YOGA GROUP. IT SHOULD BE NOTED THAT THESE RESULTS CANNOT BE GENERALIZED TO HIGH RISK PATIENTS. RESPIRATORY FREQUENCY CONTROL TO CHECK FOR INFLUENCE OF RESPIRATORY RATE ON RR INTERVAL WAS NOT EVALUATED. THIS SHORT-TERM YOGA-BASED CARDIAC REHABILITATION PROGRAM HAD ADDITIVE EFFECTS IN SHIFTING SYMPATHOVAGAL BALANCE TOWARD PARASYMPATHETIC PREDOMINANCE WHILE INCREASING OVERALL HRV IN OPTIMALLY MEDICATED POST-MI PATIENTS. 2019 4 797 41 EFFECT OF YOGA INTERVENTION ON SHORT-TERM HEART RATE VARIABILITY IN CHILDREN WITH AUTISM SPECTRUM DISORDER. BACKGROUND: AUTISM SPECTRUM DISORDER (ASD) IS A NEURODEVELOPMENTAL DISORDER CHARACTERIZED BY IMPAIRMENT IN SOCIAL INTERACTIONS, COMMUNICATION, RESTRICTED, AND REPETITIVE BEHAVIORS. EVIDENCE-BASED TREATMENT OPTIONS FOR ASD ARE LIMITED. YOGA IS PRACTICED BY OVER 20 MILLION PEOPLE WORLDWIDE, AND MULTIPLE STUDIES HAVE INVESTIGATED YOGA AS A POSSIBLE EFFECTIVE INTERVENTION FOR CHILDREN WITH ASD. AIM: THE AIM OF THIS STUDY IS TO INVESTIGATE THE EFFECT OF YOGA INTERVENTION ON SHORT-TERM HEART RATE VARIABILITY (HRV) IN CHILDREN WITH ASD. METHODOLOGY: IN THIS STUDY, 50 CHILDREN (38 BOYS AND 12 GIRLS) WITH ASD WERE RECRUITED FROM SWABHIMAAN TRUST, PALAVAKKAM, CHENNAI. THEY WERE RANDOMLY GROUPED INTO ASD WITH YOGA INTERVENTION GROUP (N = 25) AND ASD WITHOUT YOGA INTERVENTION GROUP (N = 25) BY SIMPLE LOTTERY METHOD. YOGA GROUP CHILDREN UNDERWENT YOGA TRAINING FOR 3 MONTHS, AND THE CONTROL GROUP DID NOT RECEIVE ANY SUCH TRAINING. FOR SHORT-TERM HRV, 15 MIN ELECTROCARDIOGRAM RECORDING IN SITTING POSTURE WAS RECORDED IN LEAD II USING A SIMPLE ANALOG AMPLIFIER. RESULTS: IN HRV, TIME DOMAIN PARAMETERS SUCH AS MEAN RR INTERVAL (0.72 [0.74] TO 0.94 [0.92]), STANDARD DEVIATION OF THE NN INTERVALS (52.04 [54.23] TO 74.48 [72.80]), AND ROOT OF THE MEAN SQUARED DIFFERENCES OF SUCCESSIVE NN INTERVAL (32.60 [34.40] TO 40.83 [42.90]) SIGNIFICANTLY INCREASED IN ASD CHILDREN AFTER YOGA INTERVENTION. IN FREQUENCY-DOMAIN PARAMETERS, HIGH FREQUENCY (HF) IN N. U (48.08 [47.24] TO 58.37 [59.22]) SHOWS A SIGNIFICANT INCREASE AND LOW FREQUENCY (LF) IN N. U (52.4 [51.82] TO 40.51 [40.12]), AND LF/HF RATIO (1.29 [1.31] TO 0.78 [0.79]) SHOWS A SIGNIFICANT DECREASE IN ASD WITH YOGA INTERVENTION GROUP CHILDREN AFTER 3 MONTHS OF YOGA TRAINING. CONCLUSION: YOGA INTERVENTIONS HAVE BEEN SUCCESSFUL IN BRINGING PARASYMPATHETIC DOMINANCE IN ASD CHILDREN, AND THE GREATER ADVANTAGE IS BEING A NONINVASIVE WAY OF INTERVENTION TO SUPPORT CHILDREN WITH ASD AND HELP THEM TO ACHIEVE PHYSIOLOGICAL AS WELL AS PSYCHOLOGICAL BALANCE. 2019 5 553 41 CORRELATION OF HEART RATE VARIABILITY WITH CAROTID INTIMA MEDIA THICKNESS AFTER 6 MONTH OF YOGA INTERVENTION IN PREDIABETICS. INTRODUCTION: ATHEROSCLEROTIC CAROTID INTIMAMEDIA THICKNESS (CIMT) MAY BE ASSOCIATED WITH ALTERATIONS IN THE AUTONOMIC FUNCTIONS. THE AIM OF THIS STUDY WAS TO INVESTIGATE THE EFFECT OF 6-MONTH YOGA INTERVENTION ON HEART RATE VARIABILITY (HRV) AND CIMT IN ELDERLY SUBJECTS AND THE CORRELATION BETWEEN HRV AND CIMT. METHODOLOGY: THIS WAS A RANDOMIZED CONTROLLED STUDY, IN WHICH A TOTAL OF 250 SUBJECTS WERE ENROLLED. RANDOMIZATION AND ALLOCATION IN YOGA AND CONTROL GROUPS WERE PERFORMED USING COMPUTER-GENERATED RANDOM NUMBERS. THE CIMT WAS DETERMINED BY B-MODE ULTRASONOGRAPHY, AND CARDIAC AUTONOMIC FUNCTION WAS DETERMINED THROUGH FREQUENCY DOMAIN PARAMETER OF HRV MEASURES AT BASELINE AND AFTER 6 MONTHS OF YOGA INTERVENTION. RESULTS: PARTICIPANTS HAD A MEAN AGE OF 45.4 +/- 6.4 YEARS, AND A MEAN CIMT IN CONTROL (0.70 +/- 0.05) AND STUDY GROUP (0.69 +/- 0.073), AND LOW FREQUENCY/HIGH FREQUENCY (LF/HF) RATIO IN CONTROL (2.20 +/- 1.05) AND STUDY GROUP (0.57 +/- 0.54). YOGA GROUP HAD EVIDENCE OF INCREASED VAGAL ACTIVITY IN THE FREQUENCY DOMAIN (HF AND LF/HF RATIO, P < 0.001) WITH RESPECT TO CONTROL GROUP. MOREOVER, A STUDY GROUP SHOWED LOWER INTIMAMEDIA THICKNESS (IMT) THAN CONTROL SUBJECTS (P < 0.01). IN THE WHOLE POPULATION, LF/HF RATIO POSITIVELY AND SIGNIFICANTLY CORRELATED (R = 0.665, P < 0.01) TO IMT. CONCLUSION: THIS STUDY DEMONSTRATED THAT, AFTER YOGA INTERVENTION, LF/HF RATIO IS POSITIVELY CORRELATED WITH CIMT, A PUTATIVE INDEX OF ATHEROSCLEROSIS, CONFIRMING CARDIAC AUTONOMIC NEUROPATHY AS A PART OF THE PATHOPHYSIOLOGICAL PATHWAY FOR ATHEROSCLEROSIS. IT CONFIRMS THAT THE REGULAR YOGA REPRESENTS A VALUABLE STRATEGY TO COUNTER IMPAIRMENTS OF CARDIAC AUTONOMIC ACTIVITY AND ARTERY STRUCTURAL CHANGES. 2021 6 1988 42 SPECTRAL PARAMETERS OF HRV IN YOGA PRACTITIONERS, ATHLETES AND SEDENTARY MALES. PHYSICAL INACTIVITY IS AN IMPORTANT RISK FACTOR FOR CARDIOVASCULAR MORTALITY AND MORBIDITY. EXERCISE IS CONSIDERED AN ACCEPTABLE METHOD FOR IMPROVING AND MAINTAINING PHYSICAL AND EMOTIONAL HEALTH. ALTHOUGH YOGA IS HISTORICALLY A SPIRITUAL DISCIPLINE, A GROWING BODY OF EVIDENCE SUPPORTS THE BELIEF THAT YOGA BENEFITS PHYSICAL AND MENTAL HEALTH. THE OBJECTIVE OF THIS STUDY WAS TO EVALUATE HEART RATE VARIABILITY WHICH REFLECTS AUTONOMIC CONTROL OF HEART AMONG YOGA PRACTITIONERS, ATHLETES AND INDIVIDUALS WITH SEDENTARY LIFESTYLE. THE STUDY WAS CARRIED OUT IN THE DEPARTMENTS OF PHYSIOLOGY AT MAMC AGROHA, HISAR AND PT. BD SHARMA PGIMS ROHTAK, HARYANA. THE STUDY GROUP COMPRISED OF 1200 HEALTHY MALE VOLUNTEERS OF 16 TO 55 YEARS OF AGE. THE STUDY GROUP WAS DIVIDED INTO FOUR AGE GROUPS: GROUP A OF AGE 16 TO 25 YEARS; GROUP B OF AGE 26 TO 35 YEARS; GROUP C OF AGE 36 TO 45 YEARS AND GROUP D OF AGE 46 TO 55 YEARS. ALL AGE GROUPS WERE FURTHER DIVIDED INTO THREE CATEGORIES I.E ATHLETE (RUNNER), YOGA (YOGA PRACTITIONERS) AND SEDENTARY IN WHICH INDIVIDUALS WITH SEDENTARY LIFE STYLE WERE INCLUDED. THE BASAL RECORDING OF ECG IN LEAD II WAS DONE FOR 5 MINUTES. THE POLYRITE-D ECG DATA WAS USED FOR ANALYSIS OF HEART RATE VARIABILITY BY FREQUENCY DOMAIN METHOD. TWO SPECTRAL COMPONENTS WERE RECORDED NAMELY HIGH FREQUENCY (HF) COMPONENT (0.15-0.4 HZ), AN INDICATOR OF VAGAL EFFERENT ACTIVITY AND LOW FREQUENCY (LF) COMPONENT (0.04-.15 HZ), REPLICATOR OF COMPOSITE SYMPATHO-VAGAL INTERPLAY. HF COMPONENT IN NORMALIZED UNIT WAS FOUND SIGNIFICANTLY HIGH IN AGE GROUP B AND C IN YOGA PRACTITIONERS AND ATHLETES AS COMPARED TO SEDENTARY INDIVIDUALS AND IN AGE GROUP D SIGNIFICANTLY HIGH IN YOGA PRACTITIONERS AS COMPARED TO ATHLETES AND SEDENTARY INDIVIDUALS. SIGNIFICANTLY DECREASED LF/HF RATIO WAS FOUND IN AGE GROUP B AND C IN YOGA AND ATHLETE SUBJECTS AS COMPARED TO SEDENTARY INDIVIDUALS AND IN AGE GROUP D IN YOGA PRACTITIONERS AS COMPARED TO ATHLETES AND SEDENTARY INDIVIDUALS. THIS INDICATES THAT PARASYMPATHETIC ACTIVITY IS SUBSTANTIALLY GREATER IN YOGA PRACTITIONERS. 2015 7 295 37 AGE RELATED DIFFERENCES OF SELECTED HATHA YOGA PRACTICES ON ANTHROPOMETRIC CHARACTERISTICS, MUSCULAR STRENGTH AND FLEXIBILITY OF HEALTHY INDIVIDUALS. BACKGROUND: PHYSIOLOGICAL BENEFITS OF YOGA ON VOLUNTEERS OF A PARTICULAR AGE GROUP ARE AVAILABLE. HOWEVER, REPORTS ON EFFICACY OF A SPECIFIC YOGA PACKAGE ON THE POPULACE OF DIFFERENT AGE GROUPS FROM SIMILAR OCCUPATIONAL BACKGROUND IS STILL VERY LIMITED. THEREFORE, THE PRESENT STUDY WAS CONDUCTED TO APPRAISE THE EFFECT OF A SPECIFIC HATHA YOGA PACKAGE ON ANTHROPOMETRIC CHARACTERISTICS, FLEXIBILITY AND MUSCULAR STRENGTH OF HEALTHY INDIVIDUALS OF DIFFERENT AGE GROUPS FROM SIMILAR OCCUPATIONAL TRADE. MATERIALS AND METHODS: A TOTAL OF 71 PARTICIPANTS (GROUP ALL) FROM INDIAN AIR FORCE GROUND PERSONNEL VOLUNTEERED AND AGE WISE DIVIDED INTO 3 GROUPS - (I) GROUP I (GR. - I) (N1 = 27, 20-29 YEARS), (II) GROUP II (GR. - II) (N2 = 21, 30-39 YEARS) AND (III) GROUP III (GR. - III) (N3 = 23, 40-49 YEARS). ALL THE PARTICIPANTS UNDERGONE SELECTED HATHA YOGA TRAINING FOR 1 H DAILY FOR A PERIOD OF 12 WEEKS. PARAMETERS WERE RECORDED BEFORE AND AFTER THE TRAINING. PRE AND POST TRAINING DIFFERENCES WERE ASSESSED BY STUDENT'S T-TEST. RESULTS: BODY WEIGHT (ALL, GR. - II AND GR. - III [ALL P < 0.05]), BODY MASS INDEX (GR. - II AND GR. - III [BOTH P < 0.01]) AND FAT% (GR. - II AND III [BOTH P < 0.05]) WERE DECREASED SIGNIFICANTLY. NECK CIRCUMFERENCE WAS INCREASED SIGNIFICANTLY IN GR. - I (P < 0.05) BUT DECREASED SIGNIFICANTLY IN GR. - III (P < 0.05). CHEST CIRCUMFERENCE (ALL (P < 0.001), IN GR. - I AND II [BOTH P < 0.05]), GRIP STRENGTH (ALL [LEFT: P < 0.01 AND RIGHT: P < 0.05], IN GR. - I [LEFT: P < 0.05 AND RIGHT: P < 0.01], IN GR. - II [RIGHT: P < 0.05] AND IN GR. - III [LEFT: P < 0.05 AND RIGHT: P < 0.01]), BACK LEG STRENGTH (GROUP WISE P < 0.001, P < 0.05, P < 0.01 AND P < 0.05 RESPECTIVELY) AND FLEXIBILITY (ALL P < 0.001) WERE INCREASED SIGNIFICANTLY. SUMMARY AND CONCLUSION: HATHA YOGA CAN IMPROVE ANTHROPOMETRIC CHARACTERISTICS, MUSCULAR STRENGTH AND FLEXIBILITY AMONG VOLUNTEERS OF DIFFERENT AGE GROUP AND CAN ALSO BE HELPFUL IN PREVENTING AND ATTENUATING AGE RELATED DETERIORATION OF THESE PARAMETERS. 2015 8 2005 27 STUDY OF PULMONARY AND AUTONOMIC FUNCTIONS OF ASTHMA PATIENTS AFTER YOGA TRAINING. "THE CONCEPT OF YOGA IS HELPFUL FOR THE TREATMENT OF BRONCHIAL ASTHMA", HAS CREATED A GREAT INTEREST IN THE MEDICAL RESEARCH FIELD. IN ORDER TO INVESTIGATE WHETHER AUTONOMIC FUNCTIONS AND PULMONARY FUNCTIONS ARE IMPROVED IN ASTHMA PATIENTS AFTER SHORT TERM YOGA TRAINING, A STUDY WAS CONDUCTED WITH NINE DIAGNOSED BRONCHIAL ASTHMA PATIENTS. YOGA TRAINING WAS GIVEN FOR SEVEN DAYS IN A CAMP IN ADHYATMA SADHNA KENDRA, NEW DELHI. THE AUTONOMIC FUNCTION TESTS TO MEASURE THE PARASYMPATHETIC REACTIVITY (DEEP BREATHING TEST, VALSALVA MANOUEVER), SYMPATHETIC REACTIVITY (HAND GRIP TEST, COLD PRESSURE TEST), AND PULMONARY FUNCTION TESTS FVC, FEV1, PEFR, PIF, BHT AND CE WERE RECORDED BEFORE AND AFTER YOGA TRAINING. THE RESTING HEART RATE AFTER YOGA TRAINING (P < 0.05) WAS SIGNIFICANTLY DECREASED (89.55 +/- 18.46/MIN TO 76.22 +/- 16.44/MIN). THE SYMPATHETIC REACTIVITY WAS REDUCED FOLLOWING YOGA TRAINING AS INDICATED BY SIGNIFICANT (P < 0.01) REDUCTION IN DBP AFTER HGT. THERE WAS NO CHANGE IN PARASYMPATHETIC REACTIVITY. THE FVC, FEV1, PEFR DID NOT SHOW ANY SIGNIFICANT CHANGE. THE PIF (P < 0.01), BHT (P < 0.01) AND CE (P < 0.01) SHOWED SIGNIFICANT IMPROVEMENT. THE RESULTS CLOSELY INDICATED THE REDUCTION IN SYMPATHETIC REACTIVITY AND IMPROVEMENT IN THE PULMONARY VENTILATION BY WAY OF RELAXATION OF VOLUNTARY INSPIRATORY AND EXPIRATORY MUSCLES. THE "COMPREHENSIVE YOGIC LIFE STYLE CHANGE PROGRAMME FOR PATIENTS OF BRONCHIAL ASTHMA" HAVE SHOWN SIGNIFICANT BENEFIT EVEN WITHIN A SHORT PERIOD. 1996 9 712 34 EFFECT OF INTEGRATED YOGA ON ANTI-PSYCHOTIC INDUCED SIDE EFFECTS AND COGNITIVE FUNCTIONS IN PATIENTS SUFFERING FROM SCHIZOPHRENIA. BACKGROUND TWENTY ONE (12 FEMALES) SUBJECTS, DIAGNOSED WITH SCHIZOPHRENIA BY A PSYCHIATRIST USING ICD-10, IN THE AGES 52.87 + 9.5YEARS AND SUFFERING SINCE 24.0 +/- 3.05YEARS WERE RECRUITED INTO THE STUDY FROM A SCHIZOPHRENIA REHABILITATION CENTER IN BENGALURU. METHODS ALL SUBJECTS WERE TAKING ANTI-PSYCHOTIC MEDICATIONS AND WERE IN STABLE STATE FOR MORE THAN A MONTH. PSYCHIATRIC MEDICATIONS WERE KEPT CONSTANT DURING THE STUDY PERIOD. ASSESSMENTS WERE DONE AT THREE POINTS OF TIME: (1) BASELINE, (2) AFTER ONE MONTH OF USUAL ROUTINE (PRE) AND (3) AFTER FIVE MONTHS OF VALIDATED INTEGRATED YOGA (IY) INTERVENTION (POST). VALIDATED 1H YOGA MODULE (CONSISTING OF ASANAS, PRANAYAMA, RELAXATION TECHNIQUES AND CHANTINGS) WAS PRACTICED FOR 5MONTHS, FIVE SESSIONS PER WEEK. ANTIPSYCHOTIC-INDUCED SIDE EFFECTS WERE ASSESSED USING SIMPSON ANGUS SCALE (SAS) AND UDVALG FOR KLINISKE UNDERSOGELSER (UKU) SIDE EFFECT RATING SCALE. COGNITIVE FUNCTIONS (USING TRAIL MAKING TEST A AND B), CLINICAL SYMPTOMS AND ANTHROPOMETRY WERE ASSESSED AS SECONDARY VARIABLES. COMPARISONS BETWEEN "PRE" AND "POST" DATA WAS DONE USING PAIRED SAMPLES T-TESTS AFTER SUBTRACTING BASELINE SCORES FROM THEM RESPECTIVELY. RESULTS AT THE END OF FIVE MONTHS, SIGNIFICANT REDUCTION IN DRUG-INDUCED PARKINSONIAN SYMPTOMS (SAS SCORE; P=0.001) AND 38 ITEMS OF UKU SCALE WAS OBSERVED ALONG WITH SIGNIFICANT IMPROVEMENT IN PROCESSING SPEED, EXECUTIVE FUNCTIONS AND NEGATIVE SYMPTOMS OF SCHIZOPHRENIA PATIENTS. NO SIDE EFFECTS OF YOGA WERE REPORTED. CONCLUSIONS THE PRESENT STUDY PROVIDES PRELIMINARY EVIDENCE FOR USEFULNESS OF INTEGRATED YOGA INTERVENTION IN MANAGING ANTI-PSYCHOTIC-INDUCED SIDE EFFECTS. 2018 10 1027 45 EFFECTS OF YOGA BREATHING PRACTICE ON HEART RATE VARIABILITY IN HEALTHY ADOLESCENTS: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: THIS STUDY WAS CONDUCTED AMONG HEALTHY ADOLESCENTS TO ASSESS THE EFFECTS OF A YOGA BREATHING PRACTICE (BHRAMARI PRANAYAMA, BHR.P) TOWARDS CARDIAC AUTONOMIC FUNCTION USING HEART RATE VARIABILITY (HRV) PARAMETERS. METHODS: OF THE 730 ELIGIBLE SUBJECTS SCREENED, 520 HEALTHY ADOLESCENTS WHO MET THE INCLUSION AND EXCLUSION CRITERIA WERE RANDOMLY ASSIGNED TO EITHER YOGA BREATHING GROUP (N=260) OR CONTROL GROUP (N=260). THE YOGA BREATHING GROUP PRACTICED BHR.P. FIVE DAYS A WEEK FOR A DURATION OF SIX MONTHS WHILE THE CONTROL GROUP CONTINUED WITH THEIR DAILY ROUTINE WITHOUT ANY INTERVENTION. OUTCOME MEASURES WERE TIME AND FREQUENCY DOMAIN OF HRV IN BOTH GROUPS WHICH WERE ASSESSED BEFORE AND AFTER THE INTERVENTION USING LEAD II ECG. LINEAR MODELS WERE USED IN THE ANALYSIS OF SHORT TERM HRV. RESULTS: AFTER 6 MONTHS OF YOGA BREATHING, THE TIME DOMAIN PARAMETERS OF SHORT TERM HRV SHOWED SIGNIFICANT (P<0.05) IMPROVEMENT TOWARDS THE PARASYMPATHETIC DOMAIN. FREQUENCY DOMAIN PARAMETERS ALSO SHOWED THE SAME DIRECTION OF CHANGES. IN CONTRAST, CONTROL GROUP SUBJECTS SHOWED A TREND TOWARDS A SYMPATHETIC DOMAIN. CONCLUSION: THE PRESENT STUDY SHOWED A POSITIVE SHIFT IN CARDIAC AUTONOMIC MODULATION TOWARDS PARASYMPATHETIC PREDOMINANCE AFTER 6 MONTHS OF YOGA BREATHING PRACTICE AMONG APPARENTLY HEALTHY ADOLESCENTS. 2020 11 2905 31 [LONG-TERM EFFECTS OF BREATHING EXERCISES AND YOGA IN PATIENTS WITH BRONCHIAL ASTHMA]. TO COMPARE THE EFFECTS OF BREATHING EXERCISES (BE) OR YOGA (Y) ON THE COURSE OF BRONCHIAL ASTHMA WE STUDIED 36 SUBJECTS WITH A MILD DISEASE. THE PATIENTS WERE RANDOMLY DIVIDED INTO 3 GROUPS. 2 OF THEM PARTICIPATED IN A 3 WEEKS TRAINING PROGRAM OF BE OR Y WHILE THE THIRD GROUP RESTED WITHOUT ANY ADDITIONAL TREATMENT (CONTROL GROUP, C). AT THE END OF THE TRAINING PERIOD THE PATIENTS WERE ASKED TO PRACTISE BE OR Y ON THEIR OWN. DRUG THERAPY AND LUNG FUNCTION PARAMETERS BEFORE AND AFTER A BETA 2-AGONIST METERED DOSE INHALER (ALBUTEROL, ALB) WERE RECORDED PRIOR TO THE TRAINING PROGRAM AND IN 4 WEEKS INTERVALS FOR 4 MONTHS THEREAFTER. THE RESPONSE TO THE BETA 2-AGONIST WAS DOCUMENTED CONTINUOUSLY IN 28 PATIENTS. THE MENTAL STATE OF THE PATIENTS WAS ELUCIDATED BY QUESTIONNAIRES.--PRIOR TO THE STUDY A SIGNIFICANT EFFECT OF INHALED ALB ON THE FEV1 WAS SHOWN WITHOUT ANY SIGNIFICANT BETWEEN GROUP DIFFERENCES. BOTH, BE AND Y, CAUSED A SIGNIFICANT AMELIORATION OF THE MENTAL STATE BUT ONLY THE BE INDUCED A SIGNIFICANT IMPROVEMENT OF LUNG FUNCTION PARAMETERS COMPARED TO THE INDIVIDUAL BASELINE VALUES. THE FEV1 INCREASED SIGNIFICANTLY BY 356.3 +/- 146.2 ML (P < 0.05) AND THE VC BY 225.0 +/- 65.5 ML (P < 0.01). THESE LONG-TERM CHANGES WERE NOT SIGNIFICANTLY DIFFERENT FROM THE ACTUAL RESPONSE TO ALB. BE DECREASED THE RV SIGNIFICANTLY BY 306.3 +/- 111.6 ML (P < 0.05), AN EFFECT SIGNIFICANTLY HIGHER COMPARED TO THE BETA 2-AGONIST (P < 0.01). BE IN COMBINATION WITH ALB CAUSED AN ADDITIVE EFFECT.(ABSTRACT TRUNCATED AT 250 WORDS) 1994 12 2757 30 YOGA PRACTICES AND PSYCHOLOGICAL WELL-BEING OF STUDENT NURSES. YOGA HAS BEEN WITH US SINCE TIME IMMEMORIAL, BUT IT IS ONLY DURING RECENT YEARS THAT IT HAS ASSUMED WORLDWIDE IMPORTANCE. THE AIM OF THE STUDY WAS TO ASSESS THE CT OF SELECTED YOGA PRACTICES ON PSYCHOLOGICAL WELLBEING. IN THIS QUASI-EXPERIMENTAL ONE GROUP PRE-TEST AND POST- TEST STUDY, 83 UNDER GRADUATE STUDENT NURSES. WERE TAUGHT SELECTED YOGA EXERCISES. THE SE- LECTED YOGA EXERCISES WERE SYSTEMATIC RELAXATION, BREATHING, AND STRETCHING THAT WERE PER- FORMED IN THE FORMATIVE MANNER. THE' INTERVENTION WAS CARRIED OUT FOR THE MINIMAL DURATION OF ONE HOUR PER DAY, THREE DAYS A WEEK FOR A PERIOD OF 6 WEEKS. ASSESSMENT WAS- CARRIED OUT ON THE FIRST AND LAST- DAY OF THE INTERVENTION, USING-A MODIFIED HINDI VERSION OF POSITIVE AFFECT AND NEGATIVE AFFECT SCALE, (PANAS-H). IT,HAS 10 QUESTIONS EACH TO MEASURE POSITIVE (PA) AND NEGA- TIVE AFFECT (NA). SINCE THE DATA WAS TESTED AND FORMED A NORMAL DISTRIBUTION, THE PAIRED 'T' TEST WAS USED FOR STATISTICAL ANALYSIS. THE. MEAN PA SCORE OF 42.92 AFTER YOGA PRACTICE WAS STATISTI- CALLY HIGHER THAN THE MEAN PA SCORE OF 32. 50 BEFORE YOGA PRACTICE (P=O. 01). THE MEAN NA SCORE OF 20.75 AFTER YOGA PRACTICE WAS LOWER THAN THE MEAN NA SCORE OF 23.33 BEFORE YOGA PRACTICE (P=0.427). THE YOGA PRACTICE CAN BE TAUGHT TO NORMALPARTICIPANTS AS IT MAY REDUCE NEGATIVE AFFECT AND INCREASE THE POSITIVE AFFECT WITHIN A FEW WEEKS. 2015 13 1301 35 HATHA YOGA ON BODY BALANCE. BACKGROUND: A GOOD BODY BALANCE REQUIRES A PROPER FUNCTION OF VESTIBULAR, VISUAL, AND SOMATOSENSORY SYSTEMS WHICH CAN BE REACH WITH EXERCISE PRACTICE AND/OR YOGA. AIM: TO DETERMINE THE EFFECTS OF A 5-MONTH HATHA YOGA TRAINING PROGRAM ON BODY BALANCE IN YOUNG ADULTS. MATERIALS AND METHODS: THIS STUDY USED A CONTROLLED, NONRANDOMIZED DESIGN, WHERE THE EXPERIMENTAL GROUP UNDERWENT A 5-MONTH TRAINING PROGRAM AND WERE THEN COMPARED WITH THE CONTROL GROUP THAT HAD A SEDENTARY LIFESTYLE. A CONVENIENCE SAMPLE OF 34 OUT OF 40 MEN AGED 25-55 YEARS OLD (34.0 +/- 0.9) WERE DEEMED ELIGIBLE FOR THIS STUDY. THEY WERE RANDOMLY DIVIDED INTO TWO GROUPS: EXPERIMENTAL AND CONTROL GROUPS. SUBJECTS IN THE EXPERIMENTAL GROUP WERE ENGAGED IN 60 MIN SESSIONS OF HATHA YOGA THREE TIMES A WEEK FOR 5 MONTHS. WE EVALUATED POSTURAL CONTROL BY MEASURING THE LIMIT OF STABILITY AND VELOCITY OF OSCILLATION (VOS) IN THREE CONDITIONS OF THE BALANCE REHABILITATION UNIT (BRU) AND THROUGH FIELD PROCEDURES (FOUR POSITION, PLANE, FLAMINGO, HOPSCOTCH, AND DYNAMIC TEST). RESULTS: WE OBSERVED DIFFERENCES (P < 0.05) IN POSTINTERVENTION SCORES BETWEEN THE GROUPS REGARDLESS OF BRU PARAMETERS AND FIELD PROCEDURES (EXCEPT FOR FLAMINGO) EVEN AFTER ADJUSTING FOR PREINTERVENTION SCORES, SUGGESTING THAT THESE CHANGES WERE INDUCED BY HATHA YOGA TRAINING. THE PARTIAL ETA SQUARED ON BRU PARAMETERS RANGED FROM 0.78 (VOS1)-0.97 (COP2), AND FROM 0.00 (FLAMINGO)-0.94 (FOUR POSITION) FOR THE FIELD PROCEDURES. CONCLUSIONS: OUR RESULTS PROVIDE SUBSTANTIAL EVIDENCE THAT POSTURAL CONTROL IN HEALTHY YOUNG ADULTS CAN BE IMPROVED THROUGH PRACTICING HATHA YOGA. 2014 14 509 41 COMPARATIVE IMMEDIATE EFFECT OF DIFFERENT YOGA ASANAS ON HEART RATE AND BLOOD PRESSURE IN HEALTHY YOUNG VOLUNTEERS. INTRODUCTION: THIS STUDY PLANNED TO COMPARE IMMEDIATE CARDIOVASCULAR EFFECTS OF DIFFERENT YOGA ASANAS IN HEALTHY YOUNG VOLUNTEERS. MATERIALS AND METHODS: HEART RATE (HR), SYSTOLIC PRESSURE (SP), AND DIASTOLIC PRESSURE (DP), BLOOD PRESSURE (BP), WERE RECORDED USING THE NON INVASIVE BLOOD PRESSURE (NIBP) APPARATUS IN 22 HEALTHY YOUNG SUBJECTS, BEFORE AND AFTER THE PERFORMANCE OF DHANURASANA (DA), VAKRASANA (VA) (BOTH SIDES), JANUSIRASASANA (JSA) (BOTH SIDES), MATSYASANA AND SHAVASANA FOR 30 S. HR AND BP WERE FURTHER RECORDED DURING SUPINE RECOVERY AT 2, 4, 6, 8, AND 10 MIN. A REPEATED MEASURE OF ANOVA WAS USED FOR STATISTICAL ANALYSIS. RESULTS: THERE WERE SIGNIFICANT CHANGES IN HR AND BP BOTH IMMEDIATELY AFTER THE ASANAS AS WELL AS DURING THE RECOVERY PERIOD. OVERALL COMPARISONS OF % CHANGES IMMEDIATELY AFTER THE PERFORMANCE OF THE ASANAS REVEALED SIGNIFICANT DIFFERENCES WITH REGARD TO HR THAT INCREASED SIGNIFICANTLY AFTER DA. IN THE RECOVERY PHASE, THERE WERE SIGNIFICANT INTERGROUP DIFFERENCES FROM 2 MIN ONWARD IN BOTH SP AND DP. THE DECREASE OF SP AFTER VA (RIGHT SIDE) (VA-R) WAS SIGNIFICANTLY GREATER THAN SHAVASANA (4(TH), 6(TH), AND 8(TH) MIN) AND JSA (LEFT SIDE) (JSA-L) AT 6(TH) AND 8(TH) MIN. DP DECREASED SIGNIFICANTLY AFTER PERFORMING JSA-L COMPARED TO VA-R AT THE 6(TH) AND 8(TH) MIN. DISCUSSION: THE CARDIOVASCULAR CHANGES IMMEDIATELY AFTER THE ASANAS AND DURING THE RECOVERY PHASE REVEAL INHERENT DIFFERENCES BETWEEN THE SELECTED POSTURES. THE RISE OF HR IN DA MAY BE ATTRIBUTED TO INCREASED SYMPATHETIC RESPONSE DUE TO THE RELATIVE DIFFICULTY OF THE POSTURE AS WELL AS ABDOMINAL COMPRESSION OCCURRING IN IT. THE EFFECT OF SUPINE RELAXATION IS MORE PRONOUNCED AFTER THE PERFORMANCE OF THE ASANAS AS COMPARED TO MERE RELAXATION IN SHAVASANA. THIS MAY BE ATTRIBUTED TO A NORMALIZATION AND RESULTANT HOMEOSTATIC EFFECT OCCURRING DUE TO A GREATER, HEALTHIER DE-ACTIVATION OF THE AUTONOMIC NERVOUS SYSTEM OCCURRING TOWING TO THE PRESENCE OF PRIOR ACTIVATION. THERE WERE ALSO SUBTLE DIFFERENCES BETWEEN THE RIGHT SIDED AND LEFT SIDED PERFORMANCE OF VA AND JSA THAT MAY BE OCCURRING DUE TO THE DIFFERENT INTERNAL STRUCTURES BEING EITHER COMPRESSED OR RELAXED ON EITHER SIDE. CONCLUSION: OUR STUDY PROVIDES INITIAL EVIDENCE OF DIFFERENTIAL CARDIOVASCULAR EFFECTS OF ASANAS AND SUBTLE DIFFERENCES BETWEEN RIGHT AND LEFT SIDED PERFORMANCE. FURTHER, CARDIOVASCULAR RECOVERY IS GREATER AFTER THE PERFORMANCE OF THE ASANAS AS COMPARED TO SHAVASAN; THUS, IMPLYING A BETTER RESPONSE WHEN EFFORT PRECEDES RELAXATION. 2014 15 1932 36 ROLE OF YOGA IN MODIFYING ANXIETY LEVEL IN WOMEN. ANXIETY LEADS TO DERANGEMENT IN PHYSICAL AND MENTAL HEALTH. ANXIETY LEVELS ARE MORE IN FULL TIME HOUSEWIVES THAN WORKING WOMEN. THERE IS A NEED FOR SIMPLE, EASY TREATMENT FOR ANXIETY TO ALLEVIATE THE BURDEN ON HEALTH CAUSED BY ANXIETY. YOGA IS AMONG THE TOP TEN COMPLEMENTARY AND ALTERNATIVE MEDICINE THERAPIES. OUR STUDY AIMED TO DETERMINE THE ANXIETY LEVELS IN APPARENTLY HEALTHY FULL TIME HOUSEWIVES AND TO STUDY THE EFFECTS OF YOGA ON ANXIETY LEVELS AMONG THEM. PRESENT STUDY IS A COMPARATIVE INTERVENTIONAL STUDY. STUDY WAS CONDUCTED ON 50 APPARENTLY HEALTHY FULL TIME HOUSEWIVES (20-50 YEARS) WHO ATTENDED ONE MONTH YOGA CAMP. HAMILTON ANXIETY (HAMA) SCALE WAS USED TO EVALUATE ANXIETY LEVELS BEFORE AND AT THE END OF THE YOGA CAMP. STATISTICAL ANALYSIS WAS DONE BY PAIRED T TEST USING SPSS 9.0. THE BASELINE PULSE RATE, SBP, DBP WERE 82.90 +/- 4.25 BPM, 124.84 +/- 11.022 MM HG, 85.20 +/- 10.81 MM HG RESPECTIVELY. AFTER FOUR WEEKS YOGA CAMP THERE WAS STATISTICALLY SIGNIFICANT LOWERING OF PULSE RATE (77.58 +/- 3.86 BPM), SBP (117.92 +/- 6.76 MM HG), DBP (78.68 +/- 6.62 MM HG). BEFORE YOGA TRAINING, PERCENTAGE DISTRIBUTIONS OF SUBJECTS WITH MILD, MODERATE AND SEVERE ANXIETY WERE 6%, 18% AND 76% RESPECTIVELY. AT THE END OF FOUR WEEK YOGA TRAINING, PERCENTAGE DISTRIBUTIONS OF SUBJECTS WITH MILD, MODERATE AND SEVERE ANXIETY WERE 44.23%, 19.23% AND 36.53% RESPECTIVELY. THERE WAS HIGHLY SIGNIFICANT (P = 0.000) DIFFERENCE IN THE MEAN VALUES OF TOTAL SCORE BEFORE (33.71 +/- 4.90) AND AFTER (26.93 +/- 4.53) YOGA. THESE RESULTS INDICATE THAT THERE WAS A REDUCTION IN THE SEVERITY OF ANXIETY FROM SEVERE TO MODERATE AND MILD INDICATING DECREASE IN ANXIETY FOLLOWING YOGA. BASED ON THE RESULTS OF OUR STUDY, WE CONCLUDE THAT REGULAR YOGIC PRACTICES AND ADAPTING AND IMPLEMENTING THE PRINCIPALS AND PHILOSOPHY OF YOGA IN DAY TO DAY LIFE MAY DECREASE THE ANXIETY LEVEL. 2014 16 918 32 EFFECTIVENESS OF TRAINING PROGRAM COMBINING CHAKRAYOGA AND MEDITATION. BACKGROUND THIS STUDY WAS DESIGNED TO EXAMINE THE EFFECTIVENESS OF PROGRAM COMBINING CHAKRAYOGA AND MEDITATION ON THE PHYSICAL HEALTH AND DISEASE-RELATED FACTORS AND PSYCHOLOGICAL FACTORS OF PEOPLE. METHODS NINETY-SEVEN SUBJECTS (32-83 YEARS OLD) WHO HAD FREE FROM PRIOR EXPERIENCES IN MEDITATION PROGRAMS OR CHAKRAYOGA TRAINING COURSES WERE ASSIGNED TO EITHER THE EXPERIMENTAL GROUP (EXP) (45 SUBJECTS; 13 MALE SUBJECTS AND 32 FEMALE SUBJECTS; AVERAGE AGE OF 60.67 YEARS, SD=11.09 YEARS) OR THE CONTROL GROUP (CONT) OF REMAINING SUBJECTS (52 SUBJECTS; 14 MALE SUBJECTS AND 38 FEMALE SUBJECTS; AVERAGE AGE OF 61.58 YEARS, SD=9.70 YEARS). SUBJECTS IN THE EXP PARTICIPATED IN THE CHAKRAYOGA MEDITATION PROGRAM FOR TWICE A WEEK FOR 2 H DURING 6 WEEKS IN EACH SESSION CONSISTED OF 1 H OF CHAKRAYOGA AND 1 H OF MEDITATION. THE MEASUREMENTS IN THIS STUDY INCLUDED THE MINDFULNESS, STRESS RESPONSE, SUBJECTIVE QUALITY OF LIFE, MEDICAL SYMPTOM CHECKLIST, DIFFICULTY IN EMOTIONAL REGULATION AND OBJECTIVE OF LIFE AND SENSE OF CONTROL. RESULTS RESULTS REVEALED THAT PARTICIPANTS IN THE EXP REPORTED SIGNIFICANTLY MORE RELIEF OF MINDFULNESS, STRESS RESPONSE, SUBJECTIVE QUALITY OF LIFE AND MEDICAL SYMPTOM CHECKLIST THAN THOSE IN THE CONT. CONCLUSIONS THESE FINDINGS PROVIDE EVIDENCE THAT THE CHAKRAYOGA MEDITATION PROGRAM CAN HELP RELIEVE THE PHYSICAL HEALTH AND DISEASE-RELATED FACTORS AND PSYCHOLOGICAL FACTORS. 2019 17 1629 25 MINDFULNESS-BASED YOGA FOR YOUTH WITH PERSISTENT CONCUSSION: A PILOT STUDY. OBJECTIVE: WE EXPLORED THE POTENTIAL IMPACT OF MINDFULNESS-BASED YOGA (MBY) FOR YOUTH WITH PERSISTENT CONCUSSION BY EXAMINING OCCUPATION-BASED AND NEUROPHYSIOLOGICAL OUTCOMES. METHOD: IN THIS CASE SERIES DESIGN STUDY, 6 YOUTHS AGES 13-17 YR WITH CONCUSSION SYMPTOMS FOR >4 WK PARTICIPATED IN AN 8-WK MBY INTERVENTION, 1X/WK FOR 45 MIN. PARTICIPATION, SELF-EFFICACY, AND HEART RATE VARIABILITY (24 HR) WERE COLLECTED BEFORE, AFTER, AND 3 MO AFTER THE INTERVENTION. HEART RATE VARIABILITY WAS ALSO MEASURED DURING EACH SESSION. RESULTS: TRENDS OF INCREASED SELF-EFFICACY IN ACADEMIC, SOCIAL, AND EMOTIONAL DOMAINS WERE FOUND AFTER MBY AND MAINTAINED AT 3-MO FOLLOW-UP. TRENDS OF INCREASING HEART RATE VARIABILITY WERE ALSO FOUND PRE- TO POSTINTERVENTION AND WITHIN THE EIGHT MBY SESSIONS. CONCLUSION: PRELIMINARY RESULTS REVEAL POSITIVE TRENDS AFTER A NOVEL, SAFE INTERVENTION FOR YOUTH WITH PERSISTENT CONCUSSION SYMPTOMS AND THE VALUE OF EXPLORING BOTH OCCUPATION-BASED AND NEUROPHYSIOLOGICAL MEASURES. FUTURE RESEARCH WITH A LARGER SAMPLE AND CONTROL GROUP IS WARRANTED. 2019 18 898 22 EFFECT OF YOGASANAS ON THE VISUAL AND AUDITORY REACTION TIME. VISUAL AND AUDITORY REACTION TIME (VRT, ART) WAS STUDIED IN 83 HEALTHY MALE SUBJECTS OF 30-40 YEARS OF AGE WHO HAD NEVER PRACTICED YOGASANAS BEFORE. THESE SUBJECTS WERE DIVIDED INTO TWO GROUPS VIZ. GROUP A WHOSE VRT AND ART WAS DETERMINED AFTER 1 HR. YOGASANAS AND GROUP B WHOSE ART AND VRT WAS DETERMINED AFTER 6 WEEKS YOGASANAS TRAINING PROGRAMME. VRT AND ART SHOWED A SIGNIFICANT REDUCTION IN GROUP A (P LESS THAN .05) AND GROUP B (P LESS THAN .001). 1989 19 830 38 EFFECT OF YOGA ON MENTAL HEALTH: COMPARATIVE STUDY BETWEEN YOUNG AND SENIOR SUBJECTS IN JAPAN. BACKGROUND: JAPAN HAS A LARGE NUMBER OF SENIOR CITIZENS. YOGA CAN BE WISELY APPLIED IN OLD AGE CARE. THERE IS NO ANY AGE RESTRICTION TO PRACTICE YOGA. THE EFFECT MAY DIFFER BY AGE. THERE IS A NEED TO STUDY THE MECHANISM OF ACTION OF YOGA WITH RESPECT TO AGE. AIM: THIS STUDY WAS CONDUCTED IN JAPAN TO FIND THE EFFECT OF YOGA ON MENTAL HEALTH BETWEEN YOUNG AND SENIOR PEOPLE. MATERIALS AND METHODS: TWENTY-FIVE NORMAL HEALTHY VOLUNTEERS OF BOTH SEXES WERE DIVIDED INTO TWO GROUPS ACCORDING TO AGE. FIFTEEN PARTICIPANTS OF THE AGE GROUP BETWEEN 65 TO 75 YEARS AND 10 PARTICIPANTS OF THE AGE GROUP BETWEEN 20 TO 30 YEARS WERE SELECTED. THIS STUDY WAS APPROVED BY THE ETHICAL COMMITTEE OF KAWASAKI UNIVERSITY OF MEDICAL WELFARE. SELECTED INDIVIDUALS WERE SUBJECTED TO 90 MIN OF YOGA CLASSES ONCE OR TWICE A WEEK FOR A MONTH. SALIVARY AMYLASE ACTIVITY WAS ASSESSED BEFORE AND AFTER YOGA PRACTICE. STATE TRAIT ANXIETY INVENTORY (STAI) WAS GIVEN BEFORE YOGA ON THE FIRST DAY AND AFTER ONE MONTH OF PRACTICE TO ASSESS THE CHANGE IN STATE ANXIETY AND TRAIT ANXIETY. RESULTS: SENIOR GROUP - SALIVARY AMYLASE ACTIVITY DECREASED FROM 111.2+/-42.7 TO 83.48+/-39.5 KU/L [AVERAGE+/-STANDARD DEVIATION]. YOUNGER GROUP - SALIVARY AMYLASE ACTIVITY REDUCED FROM 60.74+/-31.8 TO 42.39+/-24 KU/L. SENIOR GROUP - STATE ANXIETY SCORE DECREASED FROM 41.13 +/-8.43 TO 30.8+/-6.49, TRAIT ANXIETY SCORE REDUCED FROM 45.66+/-7.5 TO 40.73+/-8.3. YOUNGER GROUP - STATE ANXIETY SCORE REDUCED FROM 38.7+/-4.8 TO 30.8+/-4.1,TRAIT ANXIETY SCORE REDUCED FROM 46.2+/-7.9 TO 42.9+/-9.1. CHANGES WERE STATISTICALLY SIGNIFICANT WITH P<0.05. CONCLUSION: DECREASE IN SALIVARY AMYLASE ACTIVITY MAY BE DUE TO REDUCTION IN SYMPATHETIC RESPONSE. REDUCTION IN STATE AND TRAIT ANXIETY SCORE SIGNIFIES THAT YOGA HAS BOTH IMMEDIATE AS WELL AS LONG-TERM EFFECT ON ANXIETY REDUCTION. THUS YOGA HELPS TO IMPROVE THE MENTAL HEALTH IN BOTH THE GROUPS. 2011 20 492 35 COGNITIVE BEHAVIOR EVALUATION BASED ON PHYSIOLOGICAL PARAMETERS AMONG YOUNG HEALTHY SUBJECTS WITH YOGA AS INTERVENTION. OBJECTIVE: TO INVESTIGATE THE EFFECT OF YOGA PRACTICE ON COGNITIVE SKILLS, AUTONOMIC NERVOUS SYSTEM, AND HEART RATE VARIABILITY BY ANALYZING PHYSIOLOGICAL PARAMETERS. METHODS: THE STUDY WAS CONDUCTED ON 30 NORMAL YOUNG HEALTHY ENGINEERING STUDENTS. THEY WERE RANDOMLY SELECTED INTO TWO GROUPS: YOGA GROUP AND CONTROL GROUP. THE YOGA GROUP PRACTICED YOGA ONE AND HALF HOUR PER DAY FOR SIX DAYS IN A WEEK, FOR A PERIOD OF FIVE MONTHS. RESULTS: THE YOGA PRACTISING GROUP SHOWED INCREASED ALPHA, BETA, AND DELTA EEG BAND POWERS AND SIGNIFICANT REDUCTION IN THETA AND GAMMA BAND POWERS. THE INCREASED ALPHA AND BETA POWER CAN REPRESENT ENHANCED COGNITIVE FUNCTIONS SUCH AS MEMORY AND CONCENTRATION, AND THAT OF DELTA SIGNIFIES SYNCHRONIZATION OF BRAIN ACTIVITY. THE HEART RATE INDEX THETA/ALPHA DECREASED, NEURAL ACTIVITY BETA/THETA INCREASED, ATTENTION RESOURCE INDEX BETA/(ALPHA + THETA) INCREASED, EXECUTIVE LOAD INDEX (DELTA + THETA)/ALPHA DECREASED, AND THE RATIO (DELTA + THETA)/(ALPHA + BETA) DECREASED. THE YOGA PRACTICE GROUP SHOWED IMPROVEMENT IN HEART RATE VARIABILITY, INCREASED SDNN/RMSSD, AND REDUCTION IN LF/HF RATIO. CONCLUSION: YOGA PRACTISING GROUP SHOWED SIGNIFICANT IMPROVEMENT IN VARIOUS COGNITIVE FUNCTIONS, SUCH AS PERFORMANCE ENHANCEMENT, NEURAL ACTIVITY, ATTENTION, AND EXECUTIVE FUNCTION. IT ALSO RESULTED IN INCREASE IN THE HEART RATE VARIABILITY, PARASYMPATHETIC NERVOUS SYSTEM ACTIVITY, AND BALANCED AUTONOMIC NERVOUS SYSTEM REACTIVITY. 2015