1 865 130 EFFECT OF YOGA PRACTICES ON PULMONARY FUNCTION TESTS INCLUDING TRANSFER FACTOR OF LUNG FOR CARBON MONOXIDE (TLCO) IN ASTHMA PATIENTS. PRANA IS THE ENERGY, WHEN THE SELF-ENERGIZING FORCE EMBRACES THE BODY WITH EXTENSION AND EXPANSION AND CONTROL, IT IS PRANAYAMA. IT MAY AFFECT THE MILIEU AT THE BRONCHIOLES AND THE ALVEOLI PARTICULARLY AT THE ALVEOLO-CAPILLARY MEMBRANE TO FACILITATE DIFFUSION AND TRANSPORT OF GASES. IT MAY ALSO INCREASE OXYGENATION AT TISSUE LEVEL. AIM OF OUR STUDY IS TO COMPARE PULMONARY FUNCTIONS AND DIFFUSION CAPACITY IN PATIENTS OF BRONCHIAL ASTHMA BEFORE AND AFTER YOGIC INTERVENTION OF 2 MONTHS. SIXTY STABLE ASTHMATIC-PATIENTS WERE RANDOMIZED INTO TWO GROUPS I.E GROUP 1 (YOGA TRAINING GROUP) AND GROUP 2 (CONTROL GROUP). EACH GROUP INCLUDED THIRTY PATIENTS. LUNG FUNCTIONS WERE RECORDED ON ALL PATIENTS AT BASELINE, AND THEN AFTER TWO MONTHS. GROUP 1 SUBJECTS SHOWED A STATISTICALLY SIGNIFICANT IMPROVEMENT (P<0.001) IN TRANSFER FACTOR OF THE LUNG FOR CARBON MONOXIDE (TLCO), FORCED VITAL CAPACITY (FVC), FORCED EXPIRATORY VOLUME IN 1ST SEC (FEV1), PEAK EXPIRATORY FLOW RATE (PEFR), MAXIMUM VOLUNTARY VENTILATION (MVV) AND SLOW VITAL CAPACITY (SVC) AFTER YOGA PRACTICE. QUALITY OF LIFE ALSO INCREASED SIGNIFICANTLY. IT WAS CONCLUDED THAT PRANAYAMA & YOGA BREATHING AND STRETCHING POSTURES ARE USED TO INCREASE RESPIRATORY STAMINA, RELAX THE CHEST MUSCLES, EXPAND THE LUNGS, RAISE ENERGY LEVELS, AND CALM THE BODY. 2012 2 1123 35 EFFICACY OF NATUROPATHY AND YOGA IN BRONCHIAL ASTHMA. THE AIM OF THE STUDY WAS TO TEST THE EFFICACY OF A ONE MONTH IN-PATIENT NATUROPATHY AND YOGA PROGRAMME FOR PATIENTS WITH ASTHMA. RETROSPECTIVE DATA OF 159 BRONCHIAL ASTHMA PATIENTS, UNDERGOING THE NATUROPATHY AND YOGA PROGRAMME, WAS ANALYZED FOR FORCED VITAL CAPACITY, FORCED EXPIRATORY VOLUME AT THE END OF 1 SECOND, MAXIMUM VOLUNTARY VENTILATION AND PEAK EXPIRATORY FLOW RATE ON ADMISSION, 11TH DAY, ON DISCHARGE AND ONCE IN THREE MONTHS FOR THREE YEARS. THE PAIRED SAMPLE T TEST RESULTS SHOWED SIGNIFICANT INCREASE IN THE FORCED VITAL CAPACITY AND FORCED EXPIRATORY VOLUME FROM THE DATE OF ADMISSION UP TO 6TH MONTH (P < 0.0035) POST BONFERRONI CORRECTION. MAXIMUM VOLUNTARY VENTILATION SIGNIFICANTLY INCREASED FROM ADMISSION TILL THE DATE OF DISCHARGE (P < 0.0035) AND PEAK EXPIRATORY FLOW RATE SIGNIFICANTLY INCREASED FROM ADMISSION TILL THE 36TH MONTH OF FOLLOW-UP (P < 0.0035), POST BONFERRONI CORRECTION. THIS VALIDATED THE BENEFICIAL EFFECT OF COMBINING NATUROPATHY AND YOGA FOR THE MANAGEMENT OF BRONCHIAL ASTHMA. 2014 3 880 46 EFFECT OF YOGA TRAINING ON HANDGRIP, RESPIRATORY PRESSURES AND PULMONARY FUNCTION. ALTHOUGH THERE ARE A NUMBER OF REPORTS ON THE EFFECT OF YOGA TRAINING ON PULMONARY FUNCTIONS, VERY FEW STUDIES HAVE BEEN UNDERTAKEN ON THE EFFECT OF YOGA TRAINING ON RESPIRATORY PRESSURES AND HANDGRIP ENDURANCE. HENCE THE PRESENT WORK WAS PLANNED TO STUDY THE EFFECT OF YOGA TRAINING ON HAND GRIP STRENGTH (HGS), HAND GRIP ENDURANCE (HGE), MAXIMUM EXPIRATORY PRESSURE (MEP), MAXIMUM INSPIRATORY PRESSURE (MIP), FORCED EXPIRATORY VOLUME (FEV), FORCED EXPIRATORY VOLUME IN FIRST SECOND (FEV1) AND PEAK EXPIRATORY FLOW RATE (PEFR). 20 SCHOOL CHILDREN IN THE AGE GROUP OF 12 TO 15 YEARS WERE GIVEN YOGA TRAINING (ASANS AND PRANAYAMS) FOR 6 MONTHS. 20 AGE AND GENDER-MATCHED STUDENTS FORMED THE CONTROL GROUP. YOGA TRAINING PRODUCED STATISTICALLY SIGNIFICANT (P < 0.05) INCREASE IN HGS AND HGE. MEP, MIP, FEV, FEV1 AND PEFR ALSO INCREASED SIGNIFICANTLY (P < 0.001) AFTER THE YOGA TRAINING. IN CONTRAST, THE INCREASE IN THESE PARAMETERS IN THE CONTROL GROUP WAS STATISTICALLY INSIGNIFICANT. OUR STUDY SHOWS THAT YOGA TRAINING FOR 6 MONTHS IMPROVES LUNG FUNCTION, STRENGTH OF INSPIRATORY AND EXPIRATORY MUSCLES AS WELL AS SKELETAL MUSCLE STRENGTH AND ENDURANCE. IT IS SUGGESTED THAT YOGA BE INTRODUCED AT SCHOOL LEVEL IN ORDER TO IMPROVE PHYSIOLOGICAL FUNCTIONS, OVERALL HEALTH AND PERFORMANCE OF STUDENTS. 2003 4 214 55 A STUDY OF THE EFFECT OF YOGA TRAINING ON PULMONARY FUNCTIONS IN PATIENTS WITH BRONCHIAL ASTHMA. THE ROLE OF YOGA BREATHING EXERCISES, AS AN ADJUNCT TREATMENT FOR BRONCHIAL ASTHMA IS WELL RECOGNIZED. ONE HUNDRED TWENTY PATIENTS OF ASTHMA WERE RANDOMIZED INTO TWO GROUPS I.E GROUP A (YOGA TRAINING GROUP) AND GROUP B (CONTROL GROUP). EACH GROUP INCLUDED SIXTY PATIENTS. PULMONARY FUNCTION TESTS WERE PERFORMED ON ALL THE PATIENTS AT BASELINE, AFTER 4 WEEKS AND THEN AFTER 8 WEEKS. MAJORITY OF THE SUBJECTS IN THE TWO GROUPS HAD MILD DISEASE (34 PATIENTS IN GROUP A AND 32 IN GROUP B). GROUP A SUBJECTS SHOWED A STATISTICALLY SIGNIFICANT INCREASING TREND (P < 0.01) IN % PREDICTED PEAK EXPIRATORY FLOW RATE (PEFR), FORCED EXPIRATORY VOLUME IN THE FIRST SECOND (FEV1), FORCED VITAL CAPACITY (FVC), FORCED MID EXPIRATORY FLOW IN 0.25-0.75 SECONDS (FEF25-75) AND FEV1/FVC% RATIO AT 4 WEEKS AND 8 WEEKS AS COMPARED TO GROUP B. THUS, YOGA BREATHING EXERCISES USED ADJUNCTIVELY WITH STANDARD PHARMACOLOGICAL TREATMENT SIGNIFICANTLY IMPROVES PULMONARY FUNCTIONS IN PATIENTS WITH BRONCHIAL ASTHMA. 2009 5 878 44 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 6 457 25 CHANGES IN P300 FOLLOWING ALTERNATE NOSTRIL YOGA BREATHING AND BREATH AWARENESS. THIS STUDY ASSESSED THE EFFECT OF ALTERNATE NOSTRIL YOGA BREATHING (NADISUDDHI PRANAYAMA) ON P300 AUDITORY EVOKED POTENTIALS COMPARED TO A SESSION OF BREATH AWARENESS OF EQUAL DURATION, IN 20 MALE ADULT VOLUNTEERS WHO HAD AN EXPERIENCE OF YOGA BREATHING PRACTICES FOR MORE THAN THREE MONTHS. PEAK AMPLITUDES AND PEAK LATENCIES OF THE P300 WERE ASSESSED BEFORE AND AFTER THE RESPECTIVE SESSIONS. THERE WAS A SIGNIFICANT INCREASE IN THE P300 PEAK AMPLITUDES AT FZ, CZ, AND PZ AND A SIGNIFICANT DECREASE IN THE PEAK LATENCY AT FZ ALONE FOLLOWING ALTERNATE NOSTRIL YOGA BREATHING. FOLLOWING BREATH AWARENESS THERE WAS A SIGNIFICANT INCREASE IN THE PEAK AMPLITUDE OF P300 AT CZ. THIS SUGGESTS THAT ALTERNATE NOSTRIL YOGA BREATHING POSITIVELY INFLUENCES COGNITIVE PROCESSES WHICH ARE REQUIRED FOR SUSTAINED ATTENTION AT DIFFERENT SCALP SITES (FRONTAL, VERTEX AND PARIETAL), WHEREAS BREATH AWARENESS BRINGS ABOUT CHANGES AT THE VERTEX ALONE. 2013 7 751 27 EFFECT OF SHORT TERM YOGA PRACTICE ON VENTILATORY FUNCTION TESTS. TWENTYFIVE NORMAL MALE VOLUNTEERS UNDERGOING A TEN WEEKS COURSE IN THE PRACTICE OF YOGA HAVE BEEN STUDIED BY SOME PARAMETERS OF VENTILATORY FUNCTIONS TESTS. THE OBSERVATIONS RECORDED AT THE END OF TEN WEEKS OF THE COURSE HAVE SHOWN IMPROVED VENTILATORY FUNCTIONS IN THE FORM OF LOWERED RESPIRATORY RATE, INCREASED FORCED VITAL CAPACITY, FEV1, MAXIMUM BREATHING CAPACITY AND BREATH HOLDING TIME, WHILE TIDAL VOLUME AND %FEV1, DID NOT REVEAL ANY SIGNIFICANT CHANGE. THUS, A COMBINED PRACTICE OF YOGA SEEMS TO BE BENEFICIAL ON RESPIRATORY EFFICIENCY. 1988 8 442 26 CEREBROVASCULAR DYNAMICS ASSOCIATED WITH YOGA BREATHING AND BREATH AWARENESS. AIMS: BREATH FREQUENCY CAN ALTER CEREBRAL BLOOD FLOW. THE STUDY AIMED TO DETERMINE BILATERAL MIDDLE CEREBRAL ARTERIAL HEMODYNAMICS IN HIGH-FREQUENCY YOGA BREATHING (HFYB) AND SLOW FREQUENCY ALTERNATE NOSTRIL YOGA BREATHING (ANYB) USING TRANSCRANIAL DOPPLER SONOGRAPHY. METHODS: HEALTHY MALE VOLUNTEERS WERE ASSESSED IN TWO SEPARATE TRIALS BEFORE, DURING, AND AFTER HFYB (2.0 HZ FOR 1 MIN, N = 16) AND ANYB (12 BREATHS PER MINUTE FOR 5 MIN, N = 22). HFYB AND ANYB WERE SEPARATELY COMPARED TO BREATH AWARENESS (BAW) AND TO CONTROL SESSIONS. STATISTICAL ANALYSIS: THE DATA WERE ANALYZED USING REPEATED-MEASURES ANOVA WITH BONFERRONI ADJUSTED POST HOC TESTS. RESULTS: DURING HFYB THERE WAS A DECREASE IN END-DIASTOLIC VELOCITY (EDV) AND MEAN FLOW VELOCITY (MFV) (P < 0.01 FOR LEFT AND P < 0.05 FOR RIGHT MIDDLE CEREBRAL ARTERIES; MCA) WITH AN INCREASE IN PULSATILITY INDEX (PI) FOR THE RIGHT MCA (P < 0.05). DURING ANYB, THERE WAS A BILATERAL DECREASE IN PEAK SYSTOLIC VELOCITY (P < 0.05 FOR LEFT AND P < 0.01 FOR RIGHT MCA), EDV (P < 0.01) AND MFV (P < 0.01 FOR LEFT AND P < 0.001 FOR RIGHT MCA) AND AN INCREASE IN PI (P < 0.01). DURING BAW OF THE TWO SESSIONS THERE WAS A DECREASE IN LATERALIZED FLOW AND END-DIASTOLIC VELOCITIES (P < 0.05) AND AN INCREASE IN PI (P < 0.05). CONCLUSIONS: CHANGES IN PEAK FLOW VELOCITIES AND PULSATILITY INDICES DURING AND AFTER HFYB, ANYB, AND BAW SUGGEST DECREASED CEREBROVASCULAR BLOOD FLOW AND INCREASED FLOW RESISTANCE BASED ON DIFFERENT MECHANISMS. 2022 9 454 27 CHANGES IN MIDLATENCY AUDITORY EVOKED POTENTIALS FOLLOWING TWO YOGA-BASED RELAXATION TECHNIQUES. PRACTICING MEDITATION WHILE FOCUSING ON A SOUND OR A SYMBOL INFLUENCED MIDLATENCY AUDITORY EVOKED POTENTIALS (MLAEPS). CYCLIC MEDITATION (CM) IS A TECHNIQUE COMBINING YOGA POSTURES WITH MEDITATION WHILE SUPINE, WHICH HAS INFLUENCED THE P300 EVENT-RELATED POTENTIAL. THE EFFECTS OF CM ON MLAEPS HAVE NOT BEEN PREVIOUSLY STUDIED. THE MLAEPS WERE STUDIED BEFORE AND AFTER THE PRACTICE OF CM COMPARED TO AN EQUAL DURATION OF SUPINE REST (SR) IN 47 MALE VOLUNTEERS (GROUP MEAN AGE 26.5 +/- 4.4 YEARS), RECORDED FROM THE VERTEX REFERENCED TO LINKED EARLOBES. THE SESSIONS WERE ONE DAY APART AND SUBJECTS WERE RANDOMLY ASSIGNED TO EACH SESSION. THE PA WAVE PEAK LATENCY AND NB WAVE PEAK LATENCY SIGNIFICANTLY INCREASED FOLLOWING CM COMPARED TO BEFORE CM (REPEATED MEASURES ANOVA, POST-HOC ANALYSIS WITH LEAST SIGNIFICANT DIFFERENCE, P<0.05). THERE WAS A SIGNIFICANT INCREASE IN THE PEAK AMPLITUDE OF THE NB WAVE (P<0.05) COMPARED TO BEFORE CM. POST SR THERE WAS A SIGNIFICANT INCREASE IN THE PEAK LATENCY OF THE NA WAVE (P<0.05) COMPARED TO BEFORE SR. IN CONCLUSION FOLLOWING CM THE LATENCIES OF NEURAL GENERATORS CORRESPONDING TO CORTICAL AREAS IS PROLONGED, WHEREAS FOLLOWING SR A SIMILAR CHANGE OCCURS AT MESENCEPHALIC-DIENCEPHALIC LEVELS. 2009 10 867 70 EFFECT OF YOGA REGIMEN ON LUNG FUNCTIONS INCLUDING DIFFUSION CAPACITY IN CORONARY ARTERY DISEASE PATIENTS: A RANDOMIZED CONTROLLED STUDY. BACKGROUND: LUNG FUNCTIONS ARE FOUND TO BE IMPAIRED IN CORONARY ARTERY DISEASE (CAD), CONGESTIVE HEART FAILURE, LEFT VENTRICULAR DYSFUNCTION, AND AFTER CARDIAC SURGERY. DIFFUSION CAPACITY PROGRESSIVELY WORSENS AS THE SEVERITY OF CAD INCREASES DUE TO REDUCTION IN LUNG TISSUE PARTICIPATING IN GAS EXCHANGE. AIMS AND OBJECTIVES: PRANAYAMA BREATHING EXERCISES AND YOGIC POSTURES MAY PLAY AN IMPRESSIVE ROLE IN IMPROVING CARDIO-RESPIRATORY EFFICIENCY AND FACILITATING GAS DIFFUSION AT THE ALVEOLO-CAPILLARY MEMBRANE. THIS STUDY WAS DONE TO SEE THE EFFECT OF YOGA REGIMEN ON LUNG FUNCTIONS PARTICULARLY DIFFUSION CAPACITY IN CAD PATIENTS. MATERIALS AND METHODS: A TOTAL OF 80 STABLE CAD PATIENTS BELOW 65 YEARS OF AGE OF BOTH SEXES WERE SELECTED AND RANDOMIZED INTO TWO GROUPS OF 40 EACH. GROUP I CAD PATIENTS WERE GIVEN YOGA REGIMEN FOR 3 MONTHS WHICH CONSISTED OF YOGIC POSTURES, PRANAYAMA BREATHING EXERCISES, DIETARY MODIFICATION, AND HOLISTIC TEACHING ALONG WITH THEIR CONVENTIONAL MEDICINE WHILE GROUP II CAD PATIENTS WERE PUT ONLY ON CONVENTIONAL MEDICINE. LUNG FUNCTIONS INCLUDING DIFFUSION CAPACITY WERE RECORDED THRICE IN BOTH THE GROUPS: 0 DAY AS BASELINE, 22(ND) DAY AND ON 90(TH) DAY BY USING COMPUTERIZED MS MEDISOFT CARDIO-RESPIRATORY INSTRUMENT, HYP'AIR COMPACT MODEL OF CARDIO-RESPIRATORY TESTING MACHINE WAS MANUFACTURED BY P K MORGAN, INDIA. THE RECORDED PARAMETERS WERE STATISTICALLY ANALYZED BY REPEATED MEASURES ANOVA FOLLOWED BY TUKEY'S TEST IN BOTH THE GROUPS. CARDIOVASCULAR PARAMETERS WERE ALSO COMPARED BEFORE AND AFTER INTERVENTION IN BOTH THE GROUPS. RESULTS: STATISTICALLY SIGNIFICANT IMPROVEMENTS WERE SEEN IN SLOW VITAL CAPACITY, FORCED VITAL CAPACITY, PEAK EXPIRATORY FLOW RATE, MAXIMUM VOLUNTARY VENTILATION, AND DIFFUSION FACTOR/ TRANSFER FACTOR OF LUNG FOR CARBON MONOXIDE AFTER 3 MONTHS OF YOGA REGIMEN IN GROUP I. FORCED EXPIRATORY VOLUME IN 1(ST) SEC (FEV1), AND FEV1 % ALSO SHOWED A TREND TOWARD IMPROVEMENT ALTHOUGH NOT STATISTICALLY SIGNIFICANT. HR, SBP AND DBP ALSO SHOWED SIGNIFICANT IMPROVEMENT IN GROUP-I PATIENTS WHO FOLLOWED YOGA REGIMEN. CONCLUSIONS: YOGA REGIMEN WAS FOUND TO IMPROVE LUNG FUNCTIONS AND DIFFUSION CAPACITY IN CAD PATIENTS BESIDES IMPROVING CARDIOVASCULAR FUNCTIONS. THUS, IT CAN BE USED AS A COMPLIMENTARY OR ADJUNCT THERAPY ALONG WITH THE CONVENTIONAL MEDICINE FOR THEIR TREATMENT AND REHABILITATION. 2015 11 787 40 EFFECT OF YOGA BREATHING EXERCISES (PRANAYAMA) ON AIRWAY REACTIVITY IN SUBJECTS WITH ASTHMA. THE EFFECTS OF TWO PRANAYAMA YOGA BREATHING EXERCISES ON AIRWAY REACTIVITY, AIRWAY CALIBRE, SYMPTOM SCORES, AND MEDICATION USE IN PATIENTS WITH MILD ASTHMA WERE ASSESSED IN A RANDOMISED, DOUBLE-BLIND, PLACEBO-CONTROLLED, CROSSOVER TRIAL. AFTER BASELINE ASSESSMENT OVER 1 WEEK, 18 PATIENTS WITH MILD ASTHMA PRACTISED SLOW DEEP BREATHING FOR 15 MIN TWICE A DAY FOR TWO CONSECUTIVE 2-WEEK PERIODS. DURING THE ACTIVE PERIOD, SUBJECTS WERE ASKED TO BREATHE THROUGH A PINK CITY LUNG (PCL) EXERCISER--A DEVICE WHICH IMPOSES SLOWING OF BREATHING AND A 1:2 INSPIRATION:EXPIRATION DURATION RATIO EQUIVALENT TO PRANAYAMA BREATHING METHODS; DURING THE CONTROL PERIOD, SUBJECTS BREATHED THROUGH A MATCHED PLACEBO DEVICE. MEAN FORCED EXPIRATORY VOLUME IN 1 S (FEV1), PEAK EXPIRATORY FLOW RATE, SYMPTOM SCORE, AND INHALER USE OVER THE LAST 3 DAYS OF EACH TREATMENT PERIOD WERE ASSESSED IN COMPARISON WITH THE BASELINE ASSESSMENT PERIOD; ALL IMPROVED MORE WITH THE PCL EXERCISER THAN WITH THE PLACEBO DEVICE, BUT THE DIFFERENCES WERE NOT SIGNIFICANT. THERE WAS A STATISTICALLY SIGNIFICANT INCREASE IN THE DOSE OF HISTAMINE NEEDED TO PROVOKE A 20% REDUCTION IN FEV1 (PD20) DURING PRANAYAMA BREATHING BUT NOT WITH THE PLACEBO DEVICE. THE USEFULNESS OF CONTROLLED VENTILATION EXERCISES IN THE CONTROL OF ASTHMA SHOULD BE FURTHER INVESTIGATED. 1990 12 985 52 EFFECTS OF HATHA YOGA AND OMKAR MEDITATION ON CARDIORESPIRATORY PERFORMANCE, PSYCHOLOGIC PROFILE, AND MELATONIN SECRETION. OBJECTIVES: TO EVALUATE EFFECTS OF HATHA YOGA AND OMKAR MEDITATION ON CARDIORESPIRATORY PERFORMANCE, PSYCHOLOGIC PROFILE, AND MELATONIN SECRETION. SUBJECTS AND METHODS: THIRTY HEALTHY MEN IN THE AGE GROUP OF 25-35 YEARS VOLUNTEERED FOR THE STUDY. THEY WERE RANDOMLY DIVIDED IN TWO GROUPS OF 15 EACH. GROUP 1 SUBJECTS SERVED AS CONTROLS AND PERFORMED BODY FLEXIBILITY EXERCISES FOR 40 MINUTES AND SLOW RUNNING FOR 20 MINUTES DURING MORNING HOURS AND PLAYED GAMES FOR 60 MINUTES DURING EVENING HOURS DAILY FOR 3 MONTHS. GROUP 2 SUBJECTS PRACTICED SELECTED YOGIC ASANAS (POSTURES) FOR 45 MINUTES AND PRANAYAMA FOR 15 MINUTES DURING THE MORNING, WHEREAS DURING THE EVENING HOURS THESE SUBJECTS PERFORMED PREPARATORY YOGIC POSTURES FOR 15 MINUTES, PRANAYAMA FOR 15 MINUTES, AND MEDITATION FOR 30 MINUTES DAILY, FOR 3 MONTHS. ORTHOSTATIC TOLERANCE, HEART RATE, BLOOD PRESSURE, RESPIRATORY RATE, DYNAMIC LUNG FUNCTION (SUCH AS FORCED VITAL CAPACITY, FORCED EXPIRATORY VOLUME IN 1 SECOND, FORCED EXPIRATORY VOLUME PERCENTAGE, PEAK EXPIRATORY FLOW RATE, AND MAXIMUM VOLUNTARY VENTILATION), AND PSYCHOLOGIC PROFILE WERE MEASURED BEFORE AND AFTER 3 MONTHS OF YOGIC PRACTICES. SERIAL BLOOD SAMPLES WERE DRAWN AT VARIOUS TIME INTERVALS TO STUDY EFFECTS OF THESE YOGIC PRACTICES AND OMKAR MEDITATION ON MELATONIN LEVELS. RESULTS: YOGIC PRACTICES FOR 3 MONTHS RESULTED IN AN IMPROVEMENT IN CARDIORESPIRATORY PERFORMANCE AND PSYCHOLOGIC PROFILE. THE PLASMA MELATONIN ALSO SHOWED AN INCREASE AFTER THREE MONTHS OF YOGIC PRACTICES. THE SYSTOLIC BLOOD PRESSURE, DIASTOLIC BLOOD PRESSURE, MEAN ARTERIAL PRESSURE, AND ORTHOSTATIC TOLERANCE DID NOT SHOW ANY SIGNIFICANT CORRELATION WITH PLASMA MELATONIN. HOWEVER, THE MAXIMUM NIGHT TIME MELATONIN LEVELS IN YOGA GROUP SHOWED A SIGNIFICANT CORRELATION (R = 0.71, P < 0.05) WITH WELL-BEING SCORE. CONCLUSION: THESE OBSERVATIONS SUGGEST THAT YOGIC PRACTICES CAN BE USED AS PSYCHOPHYSIOLOGIC STIMULI TO INCREASE ENDOGENOUS SECRETION OF MELATONIN, WHICH, IN TURN, MIGHT BE RESPONSIBLE FOR IMPROVED SENSE OF WELL-BEING. 2004 13 458 23 CHANGES IN P300 FOLLOWING TWO YOGA-BASED RELAXATION TECHNIQUES. CYCLIC MEDITATION (CM) IS A TECHNIQUE THAT COMBINES "STIMULATING" AND "CALMING" PRACTICES, BASED ON A STATEMENT IN ANCIENT YOGA TEXTS SUGGESTING THAT SUCH A COMBINATION MAY BE ESPECIALLY HELPFUL TO REACH A STATE OF MENTAL EQUILIBRIUM. THE CHANGES IN THE PEAK LATENCY AND PEAK AMPLITUDE OF P300 AUDITORY EVENT-RELATED POTENTIALS WERE STUDIED BEFORE AND AFTER THE PRACTICE OF CYCLIC MEDITATION COMPARED TO AN EQUAL DURATION OF SUPINE REST IN 42 VOLUNTEERS (GROUP MEAN AGE +/- SD, 27 +/- 6.3 YEARS), FROM FZ, CZ, AND PZ ELECTRODE SITES REFERENCED TO LINKED EARLOBES. THE SESSIONS WERE ONE DAY APART AND THE ORDER WAS ALTERNATED. THERE WAS REDUCTION IN THE PEAK LATENCIES OF P300 AFTER CYCLIC MEDITATION AT FZ, CZ, AND PZ COMPARED TO THE "PRE" VALUES. A SIMILAR TREND OF REDUCTION IN P300 PEAK LATENCIES AT FZ, CZ, AND PZ WAS ALSO OBSERVED AFTER SUPINE REST, COMPARED TO THE RESPECTIVE "PRE" VALUES, ALTHOUGH THE MAGNITUDE OF CHANGE IN EACH CASE WAS LESS AFTER SUPINE REST COMPARED TO AFTER CYCLIC MEDITATION. THE P300 PEAK AMPLITUDES AFTER CM WERE HIGHER AT FZ, CZ, AND PZ SITES COMPARED TO THE "PRE" VALUES. IN CONTRAST, NO SIGNIFICANT CHANGES WERE OBSERVED IN THE P300 PEAK AMPLITUDES AT FZ, CZ, AND PZ AFTER SUPINE REST COMPARED TO THE RESPECTIVE "PRE" STATE. THE PRESENT RESULTS SUPPORT THE IDEA THAT "CYCLIC" MEDITATION ENHANCES COGNITIVE PROCESSES UNDERLYING THE GENERATION OF THE P300. 2006 14 572 22 DEFINITION OF A YOGA BREATHING (PRANAYAMA) PROTOCOL THAT IMPROVES LUNG FUNCTION. THIS STUDY TESTS THE HYPOTHESIS THAT YOGA BREATHING (PRANAYAMA) IMPROVES LUNG FUNCTION IN HEALTHY VOLUNTEERS DURING A 6-WEEK PROTOCOL. A RANDOMIZED CONTROLLED PILOT STUDY DEMONSTRATED AN IMPROVEMENT IN PEAK EXPIRATORY FLOW RATE AND FORCED EXPIRATORY VOLUME. THE EASY-TO-LEARN APPROACH CAN BE TRANSLATED TO THE INPATIENT AND OUTPATIENT SETTINGS. 2019 15 98 38 A NONRANDOMIZED NON-NAIVE COMPARATIVE STUDY OF THE EFFECTS OF KAPALABHATI AND BREATH AWARENESS ON EVENT-RELATED POTENTIALS IN TRAINED YOGA PRACTITIONERS. OBJECTIVES: THE STUDY WAS CONDUCTED TO COMPARE THE P300 EVENT-RELATED POTENTIALS RECORDED BEFORE AND AFTER (1) HIGH-FREQUENCY YOGA BREATHING (HFYB) AND (2) BREATH AWARENESS. DESIGN: THE P300 WAS RECORDED IN PARTICIPANTS OF TWO GROUPS BEFORE AND AFTER THE INTERVENTION SESSION (1 MINUTE IN DURATION). SETTINGS AND LOCATION: ALL PARTICIPANTS WERE RECEIVING YOGA TRAINING IN A RESIDENTIAL YOGA CENTER, SWAMI VIVEKANADA YOGA RESEARCH FOUNDATION IN BANGALORE, INDIA. SUBJECTS: THIRTY (30) MALE PARTICIPANTS FORMED TWO GROUPS (N = 15 EACH) WITH COMPARABLE AGES (WITHIN AN AGE RANGE OF 20-35 YEARS) AND COMPARABLE EXPERIENCE OF THE TWO TECHNIQUES, THE MINIMUM EXPERIENCE BEING 3 MONTHS. INTERVENTIONS: THE TWO GROUPS WERE EACH GIVEN A SEPARATE INTERVENTION. ONE GROUP PRACTICED A HFYB AT A FREQUENCY OF APPROXIMATELY 2.0 HZ, CALLED KAPALABHATI. THE OTHER GROUP PRACTICED BREATH AWARENESS DURING WHICH PARTICIPANTS WERE AWARE OF THEIR BREATH WHILE SEATED, RELAXED. OUTCOME MEASURES: THE P300 EVENT-RELATED POTENTIAL, WHICH IS GENERATED WHEN ATTENDING TO AND DISCRIMINATING BETWEEN AUDITORY STIMULI, WAS RECORDED BEFORE AND AFTER BOTH TECHNIQUES. RESULTS: THE P300 PEAK LATENCY DECREASED AFTER HFYB AND THE P300 PEAK AMPLITUDE INCREASED AFTER BREATH AWARENESS. CONCLUSIONS: BOTH PRACTICES (HFYB AND BREATH AWARENESS), THOUGH VERY DIFFERENT, INFLUENCED THE P300. HFYB REDUCED THE PEAK LATENCY, SUGGESTING A DECREASE IN TIME NEEDED FOR THIS TASK, WHICH REQUIRES SELECTIVE ATTENTION. BREATH AWARENESS INCREASED THE P300 PEAK AMPLITUDE, SUGGESTING AN INCREASE IN THE NEURAL RESOURCES AVAILABLE FOR THE TASK. 2009 16 1610 34 METABOLIC AND VENTILATORY CHANGES DURING AND AFTER HIGH-FREQUENCY YOGA BREATHING. BACKGROUND PRACTICING HIGH-FREQUENCY YOGA BREATHING (HFYB) INDUCED A HYPERMETABOLIC STATE IN A SINGLE SUBJECT DURING THE PRACTICE BUT THE EFFECT HAS NOT BEEN STUDIED IN MULTIPLE PRACTITIONERS. MATERIAL AND METHODS HEALTHY MALE VOLUNTEERS (N=47, GROUP MEAN AGE +/- S.D., 23.2 +/- 4.1 YEARS) WERE RECRUITED AS AN EXPERIMENTAL GROUP AND ANOTHER TWENTY VOLUNTEERS WERE RECRUITED AS A CONTROL GROUP. THE EXPERIMENTAL GROUP PRACTICED EITHER HFYB (BREATH RATE 1.0 HZ) OR BREATH AWARENESS (BAW) ON TWO SEPARATE DAYS. THE SEQUENCE WAS REVERSED FOR ALTERNATE PARTICIPANTS. THE CONTROL GROUP WAS ASSESSED UNDER SIMILAR CONDITIONS WHILE SITTING AT EASE. THE BREATH RATE (RR), TIDAL VOLUME (VT), VENTILATION (VE), VO2, VCO2, ARTERIAL PCO2 AND ENERGY EXPENDITURE (EE KCAL/DAY) WERE ASSESSED FOR 35 MINUTES USING AN OPEN CIRCUIT OXYGEN CONSUMPTION ANALYZER. THE ASSESSMENT PERIOD WAS DIVIDED INTO BEFORE, DURING AND AFTER CONDITIONS. REPEATED MEASURES ANALYSES OF VARIANCE (ANOVA) WERE USED TO COMPARE DATA RECORDED DURING AND AFTER THE TWO PRACTICES WITH DATA RECORDED BEFORE. BEFORE-AFTER COMPARISONS IN THE CONTROL GROUP WERE WITH PAIRED T-TESTS. RESULTS THE MOST RELEVANT SIGNIFICANT CHANGES WERE INCREASES IN VE, VO2, VCO2 AND EE DURING HFYB, WHILE THE SAME VARIABLES DECREASED DURING THE CONTROL PERIOD. HOWEVER AFTER HFYB THERE WAS NO CHANGE IN VO2 OR EE, ALTHOUGH VE DECREASED AS IT DID AFTER THE CONTROL PERIOD. CONCLUSIONS HFYB INDUCES A HYPERMETABOLIC STATE FOR THE DURATION OF THE PRACTICE WHICH RETURNS TO BASELINE AFTER HFYB SUGGESTING A POSSIBLE APPLICATION FOR HFYB IN HYPOMETABOLIC STATES. 2015 17 1520 57 IS YOGA TRAINING BENEFICIAL FOR EXERCISE-INDUCED BRONCHOCONSTRICTION? BACKGROUND: SOME STUDIES HAVE SHOWN THE BENEFICIAL EFFECTS OF YOGA FOR INDIVIDUALS WITH BRONCHIAL HYPERREACTIVITY WITH REGARD TO (1) A REDUCTION IN THE USE OF RESCUE MEDICATION, (2) AN INCREASE IN EXERCISE CAPACITY, AND (3) AN IMPROVEMENT IN LUNG FUNCTION. DESPITE THE FACT THAT YOGA IS PROMISING AS A NEW TREATMENT FOR PEDIATRIC PATIENTS, FURTHER STUDIES ARE NEEDED TO ASSESS THE USE OF THIS TRAINING FOR ASTHMA MANAGEMENT. OBJECTIVE: THIS STUDY WAS PERFORMED TO ASSESS THE BENEFICIAL EFFECTS OF YOGA IN EXERCISE-INDUCED BRONCHOCONSTRICTION (EIB) IN CHILDREN. DESIGN: THE STUDY WAS PROSPECTIVE, WITH NO CONTROL GROUP. PARTICIPANTS WERE RANDOMLY CHOSEN AMONG THE NEW PATIENTS AT THE UNIT. SETTING: THIS STUDY WAS CONDUCTED IN THE ERCIYES UNIVERSITY SCHOOL OF MEDICINE, PEDIATRIC ALLERGY UNIT, IN KAYSERI, TURKEY. PARTICIPANTS: TWO GROUPS OF ASTHMATIC CHILDREN AGED 6-17 Y WERE ENROLLED IN THE STUDY: (1) CHILDREN WITH POSITIVE RESPONSES TO AN EXERCISE CHALLENGE (N = 10), AND (2) THOSE WITH NEGATIVE RESPONSES (N = 10). INTERVENTION: BOTH GROUPS ATTENDED 1-H SESSIONS OF YOGA TRAINING 2 X/WK FOR 3 MO. OUTCOME MEASURES: RESEARCHERS ADMINISTERED SPIROMETRIC MEASUREMENT TO ALL CHILDREN BEFORE AND IMMEDIATELY AFTER PARTICIPATING IN AN EXERCISE CHALLENGE. THIS PROCESS WAS PERFORMED AT BASELINE AND AT THE STUDY'S END. AGE, GENDER, IGE LEVELS, EOSINOPHIL NUMBERS, AND SPIROMETRIC MEASUREMENT PARAMETERS INCLUDING FORCED EXPIRATORY VOLUME IN 1 SEC (FEV1), FORCED EXPIRATORY FLOW 25%-75% (FEF25%-75%), FORCED VITAL CAPACITY (FVC), PEAK EXPIRATORY FLOW PERCENTAGE (PEF%), AND PEAK EXPIRATORY FLOW RATE (PEFR) WERE COMPARED USING THE MANN-WHITNEY U TEST AND THE WILCOXON TEST. A P VALUE < .05 WAS CONSIDERED SIGNIFICANT. RESULTS: AT BASELINE, NO SIGNIFICANT DIFFERENCES WERE OBSERVED BETWEEN THE GROUPS REGARDING DEMOGRAPHICS OR PRE-EXERCISE SPIROMETRIC MEASUREMENTS (P > .05, MANN-WHITNEY U TEST). LIKEWISE, NO SIGNIFICANT DIFFERENCES IN SPIROMETRIC MEASUREMENTS EXISTED BETWEEN THE GROUPS REGARDING THE CHANGE IN RESPONSES TO AN EXERCISE CHALLENGE AFTER YOGA TRAINING (P > .05, WILCOXON TEST). FOR THE EXERCISE-RESPONSE-POSITIVE GROUP, THE RESEARCH TEAM OBSERVED A SIGNIFICANT IMPROVEMENT IN MAXIMUM FORCED EXPIRATORY VOLUME 1% (FEV1%) FALL FOLLOWING THE EXERCISE CHALLENGE AFTER YOGA TRAINING (P > .05, WILCOXON TEST). ALL EXERCISE-RESPONSE-POSITIVE ASTHMATICS BECAME EXERCISERESPONSE-NEGATIVE ASTHMATICS AFTER YOGA TRAINING. CONCLUSION: THIS STUDY SHOWED THAT TRAINING CHILDREN IN THE PRACTICE OF YOGA HAD BENEFICIAL EFFECTS ON EIB. IT IS THE RESEARCH TEAM'S OPINION THAT YOGA TRAINING CAN SUPPLEMENT DRUG THERAPY TO ACHIEVE BETTER CONTROL OF ASTHMA. 2014 18 2511 32 YOGA BREATHING THROUGH A PARTICULAR NOSTRIL IS ASSOCIATED WITH CONTRALATERAL EVENT-RELATED POTENTIAL CHANGES. BACKGROUND: IN EARLIER STUDIES UNINOSTRIL YOGA BREATHING WAS SHOWN TO INFLUENCE THE ACTIVITY OF THE CEREBRAL HEMISPHERES DIFFERENTLY, BASED ON (I) AUDITORY EVOKED POTENTIALS RECORDED FROM BILATERAL SCALP SITES, AND (II) PERFORMANCE IN HEMISPHERE-SPECIFIC TASKS. BUT CHANGE IN P300 (EVENT-RELATED POTENTIAL GENERATED WHEN SUBJECTS ATTEND TO AND DISCRIMINATE BETWEEN STIMULI) FROM BILATERAL SCALP SITES WHEN SUBJECTS WERE PRACTICING UNI- AND ALTERNATE-NOSTRIL BREATHING ARE YET TO BE EXPLORED. AIM: THE PRESENT STUDY WAS DESIGNED TO DETERMINE WHETHER OR NOT IMMEDIATELY AFTER UNINOSTRIL OR ALTERNATE NOSTRIL YOGA BREATHING THERE WOULD BE A CHANGE IN THE ABILITY TO PAY ATTENTION TO A GIVEN STIMULUS. MATERIALS AND METHODS: TWENTY-NINE HEALTHY MALE VOLUNTEERS, WITH AGES BETWEEN 20 AND 45 YEARS WERE RANDOMLY ALLOCATED TO FIVE SESSIONS, VIZ., (I) RIGHT-, (II) LEFT-, (III) ALTERNATE-NOSTRIL YOGA BREATHING, (IV) BREATH AWARENESS AND (V) NO INTERVENTION, EACH FOR 45 MIN ON SEPARATE DAYS. THE P300 EVENT RELATED POTENTIAL WAS RECORDED USING AN AUDITORY ODDBALL PARADIGM FROM SITES ON THE LEFT (C3) AND RIGHT (C4), REFERENCED TO LINKED EARLOBES, BEFORE AND AFTER EACH SESSION. RESULTS: POST-HOC ANALYSIS WITH BONFERRONI ADJUSTMENT SHOWED THAT THE P300 PEAK LATENCY WAS SIGNIFICANTLY LOWER AT C3 COMPARED TO THAT AT C4, FOLLOWING RIGHT NOSTRIL YOGA BREATHING (P<0.05). CONCLUSION: THESE RESULTS SUGGEST THAT RIGHT NOSTRIL YOGA BREATHING FACILITATES THE ACTIVITY OF CONTRALATERAL (LEFT) HEMISPHERE, IN THE PERFORMANCE OF THE P300 TASK. 2012 19 2823 32 YOGA VERSUS AEROBIC ACTIVITY: EFFECTS ON SPIROMETRY RESULTS AND MAXIMAL INSPIRATORY PRESSURE. OBJECTIVE: TO CLARIFY WHETHER, IN HEALTHY INDIVIDUALS, PRACTICING YOGA CAN MODIFY MAXIMAL INSPIRATORY PRESSURE AND SPIROMETRIC INDICES WHEN COMPARED WITH THE PRACTICE OF AEROBIC EXERCISE. MEYHODS: A CONTROLLED CLINICAL TRIAL. A TOTAL OF 31 HEALTHY VOLUNTEERS WERE ALLOCATED TO PRACTICE AEROBIC EXERCISE (N = 15) OR TO PRACTICE YOGA (N = 16). THOSE IN THE FIRST GROUP SERVED AS CONTROLS AND ENGAGED IN AEROBIC EXERCISE FOR 45-60 MINUTES, TWICE A WEEK FOR THREE MONTHS. THOSE IN THE SECOND GROUP PRACTICED SELECTED YOGIC TECHNIQUES, ALSO IN SESSIONS OF 45-60 MINUTES, TWICE A WEEK FOR THREE MONTHS. FORCED VITAL CAPACITY, FORCED EXPIRATORY VOLUME IN ONE SECOND AND MAXIMAL INSPIRATORY PRESSURE WERE MEASURED BEFORE AND AFTER THE THREE MONTHS OF TRAINING. RESULTS: NO SIGNIFICANT ALTERATIONS WERE SEEN IN THE SPIROMETRIC INDICES. A SLIGHT, ALTHOUGH NOT SIGNIFICANT, IMPROVEMENT IN MAXIMAL INSPIRATORY PRESSURE WAS SEEN IN BOTH GROUPS. HOWEVER, THERE WAS A SIGNIFICANT DIFFERENCE, SEEN IN BOTH GENDERS, BETWEEN THE ABSOLUTE DELTA (FINAL VALUE MINUS BASELINE VALUE) OF MAXIMAL INSPIRATORY PRESSURE FOR THE GROUP PRACTICING YOGA AND THAT OBTAINED FOR THE GROUP ENGAGING IN AEROBIC EXERCISE (MALES: 19.5 CM H2O VERSUS 2.8 CM H2O, P = 0.05; FEMALES: 20 CM H2O VERSUS 3.9 CM H2O, P = 0.01). CONCLUSION: NEITHER YOGA NOR AEROBIC EXERCISE PROVIDED A STATISTICALLY SIGNIFICANT IMPROVEMENT IN MAXIMAL INSPIRATORY PRESSURE AFTER THREE MONTHS. HOWEVER, THE ABSOLUTE VARIATION IN MAXIMAL INSPIRATORY PRESSURE WAS GREATER AMONG THOSE PRACTICING YOGA. 2006 20 844 38 EFFECT OF YOGA ON PULMONARY FUNCTION TESTS OF HYPOTHYROID PATIENTS. AIM OF THIS STUDY WAS TO SEE ANY EFFECT ON RESPIRATORY FUNCTIONS IN HYPOTHYROID PATIENTS AFTER PRANAYAMA (YOGA). THE SUBJECTS FOR THE STUDY WERE 20 HYPOTHYROID FEMALES, 39.70 +/- 8.27 YEARS OF MEAN AGE REFERRED FROM MEDICINE DEPARTMENT OF UCMS & G.T.B. HOSPITAL. SPIRO METRIC RECORDINGS WERE TAKEN WITH HYPAIR (VERSION-1.28). BASELINE (FIRST) RECORDINGS WERE TAKEN WHEN PATIENT CAME FOR THE FIRST TIME. PATIENTS CAME TO YOGA LAB IN PHYSIOLOGY DEPARTMENT FOR 21 DAYS CONTINUOUSLY WHERE THEY WERE TRAINED BY THE YOGA INSTRUCTORS AND THEN TOLD TO DO PRANAYAMA AT HOME AND CALLED AT REGULAR INTERVALS AFTER 7 DAYS TO SEE THE COMPLIANCE. THE BREATHING EXERCISES WERE DONE FOR 45 MINUTES EVERYDAY. AFTER 6 MONTHS OF PRANAYAMA SECOND RECORDING WAS TAKEN AND COMPARED WITH THE BASELINE. THERE WERE SIGNIFICANT IMPROVEMENT IN FORCED EXPIRATORY VOLUME IN FIRST SECOND (FEV1), MAXIMUM VOLUNTARY VENTILATION (MVV) AND INSPIRATORY CAPACITY(IC). THUS PRANAYAMA AND MEDITATION HAS BENEFICIAL EFFECT ON PULMONARY FUNCTIONS OF HYPOTHYROID PATIENTS ALONG WITH CONVENTIONAL TREATMENT. 2010