1 2307 144 TRAINING TO YOGA RESPIRATION SELECTIVELY INCREASES RESPIRATORY SENSATION IN HEALTHY MAN. BECAUSE YOGA PRACTITIONERS THINK THEY ARE BENEFITING FROM THEIR BREATH TRAINING WE HYPOTHESIZED THAT YOGA RESPIRATION TRAINING (YRT) COULD MODIFY THE RESPIRATORY SENSATION. YOGA RESPIRATION (YR) ("UJJAI") CONSISTED OF VERY SLOW, DEEP BREATHS (2-3 MIN(-1)) WITH SUSTAINED BREATH-HOLD AFTER EACH INSPIRATION AND EXPIRATION. AT INCLUSION IN THE STUDY AND AFTER A 2-MONTH YRT PROGRAM, WE DETERMINED IN HEALTHY SUBJECTS THEIR EUPNEIC VENTILATORY PATTERN AND THEIR CAPACITY TO DISCRIMINATE EXTERNAL INSPIRATORY RESISTIVE LOADS (RESPIRATORY SENSATION), DIGITAL TACTILE MECHANICAL PRESSURES (SOMESTHETIC SENSATION) AND SOUND-PRESSURE STIMULATIONS (AUDITORY SENSATION). DATA WERE COMPARED TO A GENDER-, AGE-, AND WEIGHT-MATCHED CONTROL GROUP OF HEALTHY SUBJECTS WHO DID NOT UNDERGO THE YRT PROGRAM BUT WERE EXPLORED AT THE SAME EPOCHS. AFTER THE 2-MONTH YRT PROGRAM, THE RESPIRATORY SENSATION INCREASED. THUS, BOTH THE EXPONENT OF THE STEVEN'S POWER LAW (PSI=KPHIN) AND THE SLOPE OF THE LINEAR-LINEAR PLOT BETWEEN PSI AND MOUTH PRESSURE (PM) WERE SIGNIFICANTLY HIGHER, AND THE INTERCEPT WITH ORDINATE AXIS OF THE PSI VERSUS PM RELATIONSHIP WAS LOWER. AFTER YRT, THE PEAK PM DEVELOPED AGAINST INSPIRATORY LOADS WAS SIGNIFICANTLY LOWER, REDUCING THE LOAD-INDUCED ACTIVATION OF RESPIRATORY AFFERENTS. YRT INDUCED LONG-LASTING MODIFICATIONS OF THE VENTILATORY PATTERN WITH A SIGNIFICANT LENGTHENING OF EXPIRATORY DURATION AND A MODEST TIDAL VOLUME INCREASE. NO SIGNIFICANT CHANGES IN SOMESTHETIC AND AUDITORY SENSATIONS WERE NOTED. IN THE CONTROL GROUP, THE RESPIRATORY SENSATION WAS NOT MODIFIED DURING A 15-MIN PERIOD OF YOGA RESPIRATION, DESPITE THE PEAK PM CHANGES IN RESPONSE TO ADDED LOADS WERE THEN SIGNIFICANTLY REDUCED. THESE DATA SUGGEST THAT TRAINING TO YOGA RESPIRATION SELECTIVELY INCREASES THE RESPIRATORY SENSATION, PERHAPS THROUGH ITS PERSISTENT CONDITIONING OF THE BREATHING PATTERN. 2005 2 2079 24 THE EFFECT OF EXERCISE, YOGA AND PHYSIOTHERAPY ON THE QUALITY OF LIFE OF PEOPLE WITH MULTIPLE SCLEROSIS: SYSTEMATIC REVIEW AND META-ANALYSIS. INTRODUCTION: MULTIPLE SCLEROSIS (MS) IS A CHRONIC AUTOIMMUNE DISEASE AFFECTING THE MYELINATED AXONS OF THE CENTRAL NERVOUS SYSTEM CAUSING NEUROLOGICAL DETERIORATION. PEOPLE LIVING WITH MS HAVE A POOR QUALITY OF LIFE (QOL) BECAUSE OF THE SYMPTOMS CAUSED BY THE DISEASE AND THERE ARE VARIOUS TYPES OF TREATMENTS TO MANAGE THE SYMPTOMS ASIDE FROM MEDICATION. OBJECTIVE: THIS META-ANALYSIS EXAMINES THE EFFECT OF EXERCISE, YOGA AND PHYSIOTHERAPY ON THE PHYSICAL, MENTAL AND SOCIAL QOL AMONG INDIVIDUALS LIVING WITH MS. SETTING: A SYSTEMATIC REVIEW WITH META-ANALYSIS WAS CONDUCTED USING PUBMED, MEDLINE, AND SCOPUS FROM 1990 TO 2017. THE STANDARD MEAN DIFFERENCE SCORES WERE COMPUTED IN EACH STUDY FOR THE DOMAINS OF PHYSICAL, MENTAL AND SOCIAL FUNCTIONING. RESULTS: EIGHTEEN STUDIES MET THE INCLUSION CRITERIA FOR THIS META-ANALYSIS. AEROBIC EXERCISE WAS EFFECTIVE IN IMPROVING SATISFACTION WITH PHYSICAL FUNCTIONING,D = 0.35 (95% CI = 0.08 TO 0.62), MENTAL FUNCTIONING D = 0.42 (95% CI = 0.11 TO 0.72), AND SOCIAL FUNCTIONING D = 0.42 (95% CI = 0.15 TO 0.69). PHYSIOTHERAPY WAS ALSO FOUND TO BE EFFECTIVE FOR PHYSICAL FUNCTIONING D = 0.50 (95% CI 0.19 TO 0.80), MENTAL FUNCTIONING D = 0.44 (95% CI 0.14 TO 0.75) AND SOCIAL FUNCTIONING D = 0.60 (95% CI 0.21 TO 0.90). HOWEVER YOGA AND COMBINATION OF EXERCISES DID NOT HAVE A SIGNIFICANT EFFECT ON ANY OF THE QOL DOMAINS. CONCLUSION: THESE FINDINGS SUGGEST THAT AEROBIC EXERCISE AND PHYSIOTHERAPY IMPROVES THE SATISFACTION OF MS PATIENTS WITH THEIR PHYSICAL, MENTAL AND SOCIAL FUNCTIONING AND MAY BE INCLUDED AS NORMAL PRACTICE IN THE TREATMENT OF MS. 2019 3 1508 20 IS MAN ABLE TO BREATHE ONCE A MINUTE FOR AN HOUR?: THE EFFECT OF YOGA RESPIRATION ON BLOOD GASES. THE VENTILATORY RESPONSE TO HYPERCAPNIA AND ARTERIAL BLOOD GASES DURING UJJAI RESPIRATION OF ONCE PER MINUTE FOR AN HOUR WERE DETERMINED IN A PROFESSIONAL HATHA YOGI. THE RESULTS SUGGEST THAT LOWER CHEMOSENSITIVITY TO HYPERCAPNIA IN YOGA PRACTITIONERS MAY BE DUE TO AN ADAPTATION TO LOW ARTERIAL PH AND HIGH PACO2 FOR LONG PERIODS. 2002 4 1706 33 PATTERN OF BREATHING AND VENTILATORY RESPONSE TO CO2 IN SUBJECTS PRACTICING HATHA-YOGA. WE STUDIED EIGHT BELGIAN SUBJECTS WELL ADVANCED IN THE PRACTICE OF HATHA-YOGA AND COMPARED THEM WITH EIGHT SEX-, AGE-, AND HEIGHT-MATCHED CONTROL SUBJECTS. PRACTICE OF YOGA (RANGE 4-12 YR) INVOLVES CONTROL OF POSTURE AND MANIPULATION OF BREATHING, INCLUDING SLOW NEAR-VITAL CAPACITY MANEUVERS ACCOMPANIED BY APNEA AT END INSPIRATION AND END EXPIRATION. AVERAGE VALUES FOR THE YOGA AND THE CONTROL GROUP (IN PARENTHESES) ARE AS FOLLOWS: VENTILATION (VE) 5.53 1 X MIN-1 (7.07); TIDAL VOLUME (VT), 1.03 LITERS (0.56); RATE OF BREATHING, 5.5 MIN-1 (13.4); END-TIDAL PCO2, 39.0 TORR (35.3). ALL DIFFERENCES ARE SIGNIFICANT (P LESS THAN 0.05). VENTILATORY RESPONSE TO CO2 (REBREATHING TECHNIQUE) WAS SIGNIFICANTLY LOWER IN THE YOGA GROUP (P LESS THAN 0.01). THE REGRESSION RELATING VE TO VT DURING REBREATHING OF CO2 WAS VE = 8.1 (VT - 0.23) FOR THE YOGA GROUP AND VE = 15.8 (VT - 0.16) FOR THE CONTROL GROUP (P LESS THAN 0.005). WE ATTRIBUTE THESE CHANGES TO CHRONIC MANIPULATION OF RESPIRATION. 1981 5 741 32 EFFECT OF REGULAR YOGA PRACTICE ON RESPIRATORY REGULATION AND EXERCISE PERFORMANCE. YOGA ALTERS SPONTANEOUS RESPIRATORY REGULATION AND REDUCES HYPOXIC AND HYPERCAPNIC VENTILATORY RESPONSES. SINCE A LOWER VENTILATORY RESPONSE IS ASSOCIATED WITH AN IMPROVED ENDURANCE CAPACITY DURING WHOLE-BODY EXERCISE, WE TESTED WHETHER YOGIC SUBJECTS (YOGA) SHOW AN INCREASED ENDURANCE CAPACITY COMPARED TO MATCHED NON-YOGIC INDIVIDUALS (CON) WITH SIMILAR PHYSICAL ACTIVITY LEVELS. RESTING VENTILATION, THE VENTILATORY RESPONSE TO HYPERCAPNIA, PASSIVE LEG MOVEMENT AND EXERCISE, AS WELL AS ENDURANCE PERFORMANCE WERE ASSESSED. YOGA (N = 9), COMPARED TO CONTROL (N = 6), HAD A HIGHER TIDAL VOLUME AT REST (0.7+/-0.2 VS. 0.5+/-0.1 L, P = 0.034) AND A REDUCED VENTILATORY RESPONSE TO HYPERCAPNIA (33+/-15 VS. 47+/-15 L.MIN(-1), P = 0.048). A YOGA SUBGROUP (N = 6) WITH MAXIMAL PERFORMANCE SIMILAR TO CONTROL SHOWED A BLUNTED VENTILATORY RESPONSE TO PASSIVE CYCLING (11+/-2 VS. 14+/-2 L.MIN(-1), P = 0.039) AND A TENDENCY TOWARDS LOWER EXERCISE VENTILATION (33+/-2 VS. 36+/-3 L.MIN(-1), P = 0.094) WHILE CYCLING ENDURANCE (YOGA: 17.3+/-3.3; CON: 19.6+/-8.5 MIN, P = 0.276) DID NOT DIFFER. THUS, YOGA PRACTICE WAS NOT ASSOCIATED WITH IMPROVED EXERCISE CAPACITY NOR WITH SIGNIFICANT CHANGES IN EXERCISE VENTILATION DESPITE A SIGNIFICANTLY DIFFERENT RESPIRATORY REGULATION AT REST AND IN RESPONSE TO HYPERCAPNIA AND PASSIVE LEG MOVEMENT. 2016 6 887 22 EFFECT OF YOGA TYPE BREATHING ON HEART RATE AND CARDIAC AXIS OF NORMAL SUBJECTS. EFFECT OF INSPIRATORY AND EXPIRATORY PHASES OF NORMAL QUIET BREATHING, DEEP BREATHING AND SAVITRI PRANAYAM TYPE BREATHING ON HEART RATE AND MEAN VENTRICULAR QRS AXIS WAS INVESTIGATED IN YOUNG, HEALTHY UNTRAINED SUBJECTS. PRANAYAM TYPE BREATHING PRODUCED SIGNIFICANT CARDIOACCELERATION AND INCREASE IN QRS AXIS DURING THE INSPIRATORY PHASE AS COMPARED TO EUPNEA. ON THE OTHER HAND, EXPIRATORY EFFORT DURING PRANAYAM TYPE BREATHING DID NOT PRODUCE ANY SIGNIFICANT CHANGE IN HEART RATE OR QRS AXIS. THE CHANGES IN HEART RATE AND QRS AXIS DURING THE INSPIRATORY AND EXPIRATORY PHASES OF PRANAYAM TYPE BREATHING WERE SIMILAR TO THE CHANGES OBSERVED DURING THE CORRESPONDING PHASES OF DEEP BREATHING. 1986 7 134 33 A PRELIMINARY INVESTIGATION OF LUMBAR TACTILE ACUITY IN YOGA PRACTITIONERS. BACKGROUND: TACTILE ACUITY IN THE BACK RELATES TO VOLUNTARY LUMBO-PELVIC CONTROL AND IS LOWER IN CHRONIC LOW BACK PAIN (CLBP) PATIENTS. TWO-POINT DISCRIMINATION (TPD) THRESHOLDS ARE HIGHER, INDICATING DECREASED TACTILE ACUITY IN PATIENTS WITH CLBP. YOGA HAS BEEN SHOWN TO HELP RELIEVE CLBP. OBJECTIVES: THIS STUDY INVESTIGATED THE HYPOTHESIS THAT REGULAR PRACTITIONERS OF YOGA HAVE INCREASED TACTILE ACUITY (I.E., LOWER TPD THRESHOLDS) WHEN COMPARED TO MATCHED CONTROLS WHO REGULARLY PERFORM GYM-BASED (RESISTANCE TRAINING OR AEROBIC-TYPE) EXERCISE. METHOD: TACTILE ACUITY IN THE LOW BACK WAS ASSESSED USING TPD IN 16 LONG-TERM PRACTITIONERS OF YOGA (5 ASHTANGA, 5 BIKRAM, AND 6 IYENGAR PRACTITIONERS) AND 16 AGE- AND GENDER-MATCHED HEALTHY CONTROLS WHO EXERCISE (WITH WEIGHTS AND AEROBIC EXERCISE). RESULTS: THE YOGA PRACTITIONERS' TPD WAS LOWER THAN THAT OF THE EXERCISERS, INDICATING GREATER TACTILE ACUITY IN THE LOW BACK. WHILE THERE WAS NO DIFFERENCE BETWEEN THE TPD OF THE PRACTITIONERS OF DIFFERENT YOGA STYLES, THE TPD OF THE ASHTANGA YOGA PARTICIPANTS WERE SIGNIFICANTLY LOWER THAN THOSE OF THE EXERCISERS. THE YOGIS WHOSE MAIN REASONS TO PRACTICE YOGA WERE FOR "MEDITATION OR INCREASED MINDFULNESS" AND FOR "WELL-BEING" SHOWED A NONSIGNIFICANT TREND OF HIGHER TACTILE ACUITY THAN THOSE WHO DID YOGA FOR "PHYSICAL EXERCISE." THERE WAS NO ASSOCIATION BETWEEN TPD THRESHOLD AND CUMULATIVE AMOUNT OF YOGA PRACTICE IN TERMS OF HOURS PER WEEK AND YEARS OF EXPERIENCE. HOWEVER, INCREASED HOURS OF EXERCISE PER WEEK CORRELATED WITH HIGHER TPD. CONCLUSION: THE FINDINGS SUGGEST THAT THERE MAY BE A RELATIONSHIP BETWEEN YOGA PRACTICE AND ENHANCED TACTILE ACUITY IN THE LOW BACK. 2014 8 1305 24 HATHA YOGA PRACTICES: ENERGY EXPENDITURE, RESPIRATORY CHANGES AND INTENSITY OF EXERCISE. THE AIM OF THIS STUDY WAS TO CRITICALLY OBSERVE THE ENERGY EXPENDITURE, EXERCISE INTENSITY AND RESPIRATORY CHANGES DURING A FULL YOGA PRACTICE SESSION. OXYGEN CONSUMPTION ([FORMULA: SEE TEXT]), CARBON DIOXIDE OUTPUT ([FORMULA: SEE TEXT]), PULMONARY VENTILATION ([FORMULA: SEE TEXT]E), RESPIRATORY RATE (FR) AND TIDAL VOLUME (VT), WERE MEASURED IN 16 PHYSICAL POSTURE (ASANAS), FIVE YOGA BREATHING MANEUVERS (BM) AND TWO TYPES OF MEDITATION. TWENTY MALE (AGE 27.3 +/- 3.5 YEARS, HEIGHT 166.6 +/- 5.4 CM AND BODY WEIGHT 58.8 +/- 9.6 KG) YOGA INSTRUCTORS WERE STUDIED. THEIR MAXIMAL OXYGEN CONSUMPTION ([FORMULA: SEE TEXT]) WAS RECORDED. THE EXERCISE INTENSITY IN ASANAS WAS EXPRESSED IN PERCENTAGE [FORMULA: SEE TEXT] . IN ASANAS, EXERCISE INTENSITY VARIED FROM 9.9 TO 26.5% OF [FORMULA: SEE TEXT] . HIGHEST ENERGY COST WAS 3.02 KCAL MIN(-1). IN BM HIGHEST [FORMULA: SEE TEXT]E WAS 53.7 +/- 15.5 L MIN(-1). VT WAS 0.97 +/- 0.59, 1.41 +/- 1.27 AND 1.28 +/- L/BREATH WITH CORRESPONDING FR OF 14.0 +/- 5.3, 10.0 +/- 6.35, 10.0 +/- 5.8 BREATHS/MIN. AVERAGE ENERGY EXPENDITURE IN ASANAS, BM AND MEDITATION WERE 2.29, 1.91 AND 1.37 KCAL MIN(-1), RESPECTIVELY. METABOLIC RATE WAS GENERALLY IN THE RANGE OF 1-2 METABOLIC EQUIVALENTS (MET) EXCEPT IN THREE ASANAS WHERE IT WAS >2 MET. [FORMULA: SEE TEXT] WAS 0.27 +/- 0.05 AND 0.24 +/- 0.04 L MIN(-1) IN MEDITATION AND SHAVASANA, RESPECTIVELY. ALTHOUGH YOGIC PRACTICES ARE LOW INTENSITY EXERCISES WITHIN LACTATE THRESHOLD, PHYSICAL PERFORMANCE IMPROVEMENT IS POSSIBLE OWING TO BOTH BETTER ECONOMY OF BREATHING BY BM AND ALSO BY IMPROVEMENT IN CARDIOVASCULAR RESERVE. OTHER FACTORS SUCH AS PSYCHO-PHYSIOLOGICAL AND BETTER RELAXATION MAY CONTRIBUTE TO IT. 2011 9 1208 30 EXPLORATION OF LOWER FREQUENCY EEG DYNAMICS AND CORTICAL ALPHA ASYMMETRY IN LONG-TERM RAJYOGA MEDITATORS. BACKGROUND: RAJYOGA MEDITATION IS TAUGHT BY PRAJAPITA BRAHMAKUMARIS WORLD SPIRITUAL UNIVERSITY (BRAHMAKUMARIS) AND HAS BEEN FOLLOWED BY MORE THAN ONE MILLION FOLLOWERS ACROSS THE GLOBE. HOWEVER, RARE STUDIES WERE CONDUCTED ON PHYSIOLOGICAL ASPECTS OF RAJYOGA MEDITATION USING ELECTROENCEPHALOGRAPHY (EEG). BAND POWER AND CORTICAL ASYMMETRY WERE NOT STUDIED WITH RAJYOGA MEDITATORS. AIMS: THIS STUDY AIMS TO INVESTIGATE THE EFFECT OF REGULAR MEDITATION PRACTICE ON EEG BRAIN DYNAMICS IN LOW-FREQUENCY BANDS OF LONG-TERM RAJYOGA MEDITATORS. SETTINGS AND DESIGN: SUBJECTS WERE MATCHED FOR AGE IN BOTH GROUPS. LOWER FREQUENCY EEG BANDS WERE ANALYZED IN RESTING AND DURING MEDITATION. MATERIALS AND METHODS: TWENTY-ONE MALE LONG-TERM MEDITATORS (LTMS) AND SAME NUMBER OF CONTROLS WERE SELECTED TO PARTICIPATE IN STUDY AS PAR INCLUSION CRITERIA. SEMI HIGH-DENSITY EEG WAS RECORDED BEFORE AND DURING MEDITATION IN LTM GROUP AND RESTING IN CONTROL GROUP. THE MAIN OUTCOME OF THE STUDY WAS SPECTRAL POWER OF ALPHA AND THETA BANDS AND CORTICAL (HEMISPHERICAL) ASYMMETRY CALCULATED USING BAND POWER. STATISTICAL ANALYSIS: ONE-WAY ANOVA WAS PERFORMED TO FIND THE SIGNIFICANT DIFFERENCE BETWEEN EEG SPECTRAL PROPERTIES OF GROUPS. PEARSON'S CHI-SQUARE TEST WAS USED TO FIND DIFFERENCE AMONG DEMOGRAPHICS DATA. RESULTS: RESULTS REVEAL HIGH-BAND POWER IN ALPHA AND THETA SPECTRA IN MEDITATORS. CORTICAL ASYMMETRY CALCULATED THROUGH EEG POWER WAS ALSO FOUND TO BE HIGH IN FRONTAL AS WELL AS PARIETAL CHANNELS. HOWEVER, NO CORRELATION WAS SEEN BETWEEN THE EXPERIENCE OF MEDITATION (YEARS, HOURS) PRACTICE AND EEG INDICES. CONCLUSION: OVERALL FINDINGS INDICATE CONTRIBUTION OF SMALLER FREQUENCIES (ALPHA AND THETA) WHILE MAINTAINING MEDITATIVE EXPERIENCE. THIS SUGGESTS A POSITIVE IMPACT OF MEDITATION ON FRONTAL AND PARIETAL AREAS OF BRAIN, INVOLVED IN THE PROCESSES OF REGULATION OF SELECTIVE AND SUSTAINED ATTENTION AS WELL AS PROVIDE EVIDENCE ABOUT THEIR INVOLVEMENT IN EMOTION AND COGNITIVE PROCESSING. 2018 10 751 20 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 11 438 32 CARDIOVASCULAR AND RESPIRATORY EFFECT OF YOGIC SLOW BREATHING IN THE YOGA BEGINNER: WHAT IS THE BEST APPROACH? SLOW BREATHING INCREASES CARDIAC-VAGAL BAROREFLEX SENSITIVITY (BRS), IMPROVES OXYGEN SATURATION, LOWERS BLOOD PRESSURE, AND REDUCES ANXIETY. WITHIN THE YOGA TRADITION SLOW BREATHING IS OFTEN PAIRED WITH A CONTRACTION OF THE GLOTTIS MUSCLES. THIS RESISTANCE BREATH "UJJAYI" IS PERFORMED AT VARIOUS RATES AND RATIOS OF INSPIRATION/EXPIRATION. TO TEST WHETHER UJJAYI HAD ADDITIONAL POSITIVE EFFECTS TO SLOW BREATHING, WE COMPARED BRS AND VENTILATORY CONTROL UNDER DIFFERENT BREATHING PATTERNS (EQUAL/UNEQUAL INSPIRATION/EXPIRATION AT 6 BREATH/MIN, WITH/WITHOUT UJJAYI), IN 17 YOGA-NAIVE YOUNG HEALTHY PARTICIPANTS. BRS INCREASED WITH SLOW BREATHING TECHNIQUES WITH OR WITHOUT EXPIRATORY UJJAYI (P < 0.05 OR HIGHER) EXCEPT WITH INSPIRATORY + EXPIRATORY UJJAYI. THE MAXIMAL INCREASE IN BRS AND DECREASE IN BLOOD PRESSURE WERE FOUND IN SLOW BREATHING WITH EQUAL INSPIRATION AND EXPIRATION. THIS CORRESPONDED WITH A SIGNIFICANT IMPROVEMENT IN OXYGEN SATURATION WITHOUT INCREASE IN HEART RATE AND VENTILATION. UJJAYI SHOWED SIMILAR INCREASE IN OXYGEN SATURATION BUT SLIGHTLY LESSER IMPROVEMENT IN BAROREFLEX SENSITIVITY WITH NO CHANGE IN BLOOD PRESSURE. THE SLOW BREATHING WITH EQUAL INSPIRATION AND EXPIRATION SEEMS THE BEST TECHNIQUE FOR IMPROVING BAROREFLEX SENSITIVITY IN YOGA-NAIVE SUBJECTS. THE EFFECTS OF UJJAYI SEEMS DEPENDENT ON INCREASED INTRATHORACIC PRESSURE THAT REQUIRES GREATER EFFORT THAN NORMAL SLOW BREATHING. 2013 12 2490 10 YOGA AS AN INTERVENTION TO MANAGE MULTIPLE SCLEROSIS SYMPTOMS. MULTIPLE SCLEROSIS (MS) IS AN AUTOIMMUNE, DEMYELINATING, INFLAMMATORY DISEASE OF CENTRAL NERVOUS SYSTEM (CNS) WHICH IS CHARACTERIZED BY SPASTICITY, FATIGUE, DEPRESSION, ANXIETY, BOWEL AND BLADDER DYSFUNCTION, IMPAIRED MOBILITY, COGNITIVE IMPAIRMENT ETC. AND AFFECTS APPROXIMATELY 2.5 MILLION PEOPLE WORLDWIDE. DISEASE MODIFYING THERAPIES FOR MS WHICH HELP IN PREVENTING ACCUMULATION OF LESIONS IN WHITE MATTER OF CNS ARE COSTLY AND HAVE SIGNIFICANT ADVERSE EFFECTS. THEREFORE, PATIENTS WITH MS ARE USING COMPLEMENTARY AND ALTERNATIVE MEDICINE (CAM) AND YOGA IS ONE OF THE MOST POPULAR FORM OF CAM WHICH IS BEING USED IMMENSELY TO REDUCE OR OVERCOME THE SYMPTOMS OF MS. IN THE CURRENT REVIEW ATTEMPTED TO PRESENT THE POTENTIAL IMPACT OF YOGA PRACTICES ON REDUCING MS RELATED SYMPTOMS. 2020 13 1639 19 MODULATION OF IMMUNE RESPONSES IN STRESS BY YOGA. STRESS IS A CONSTANT FACTOR IN TODAY'S FASTPACED LIFE THAT CAN JEOPARDIZE OUR HEALTH IF LEFT UNCHECKED. IT IS ONLY IN THE LAST HALF CENTURY THAT THE ROLE OF STRESS IN EVERY AILMENT FROM THE COMMON COLD TO AIDS HAS BEEN EMPHASIZED, AND THE MECHANISMS INVOLVED IN THIS PROCESS HAVE BEEN STUDIED. STRESS INFLUENCES THE IMMUNE RESPONSE PRESUMABLY THROUGH THE ACTIVATION OF THE HYPOTHALAMIC-PITUITARY ADRENAL AXIS, HYPOTHALAMIC PITUITARY-GONADAL AXIS, AND THE SYMPATHETIC-ADRENAL-MEDULLARY SYSTEM. VARIOUS NEUROTRANSMITTERS, NEUROPEPTIDES, HORMONES, AND CYTOKINES MEDIATE THESE COMPLEX BIDIRECTIONAL INTERACTIONS BETWEEN THE CENTRAL NERVOUS SYSTEM (CNS) AND THE IMMUNE SYSTEM. THE EFFECTS OF STRESS ON THE IMMUNE RESPONSES RESULT IN ALTERATIONS IN THE NUMBER OF IMMUNE CELLS AND CYTOKINE DYSREGULATION. VARIOUS STRESS MANAGEMENT STRATEGIES SUCH AS MEDITATION, YOGA, HYPNOSIS, AND MUSCLE RELAXATION HAVE BEEN SHOWN TO REDUCE THE PSYCHOLOGICAL AND PHYSIOLOGICAL EFFECTS OF STRESS IN CANCERS AND HIV INFECTION. THIS REVIEW AIMS TO DISCUSS THE EFFECT OF STRESS ON THE IMMUNE SYSTEM AND EXAMINE HOW RELAXATION TECHNIQUES SUCH AS YOGA AND MEDITATION COULD REGULATE THE CYTOKINE LEVELS AND HENCE, THE IMMUNE RESPONSES DURING STRESS. 2008 14 996 30 EFFECTS OF INSPIRATORY MUSCLE TRAINING AND YOGA BREATHING EXERCISES ON RESPIRATORY MUSCLE FUNCTION IN INSTITUTIONALIZED FRAIL OLDER ADULTS: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: IN OLDER ADULTS, RESPIRATORY FUNCTION MAY BE SERIOUSLY COMPROMISED WHEN A MARKED DECREASE OF RESPIRATORY MUSCLE (RM) STRENGTH COEXISTS WITH COMORBIDITY AND ACTIVITY LIMITATION. RESPIRATORY MUSCLE TRAINING HAS BEEN WIDELY STUDIED AND RECOMMENDED AS A TREATMENT OPTION FOR PEOPLE WHO ARE UNABLE TO PARTICIPATE IN WHOLE-BODY EXERCISE TRAINING (WBET); HOWEVER, THE EFFECTS OF INSPIRATORY MUSCLE TRAINING AND YOGA BREATHING EXERCISES ON RM FUNCTION REMAIN UNKNOWN, SPECIFICALLY IN IMPAIRED OLDER ADULTS. PURPOSE: TO EVALUATE THE EFFECTS OF INSPIRATORY THRESHOLD TRAINING (ITT) AND YOGA RESPIRATORY TRAINING (YRT) ON RM FUNCTION IN INSTITUTIONALIZED FRAIL OLDER ADULTS. METHODS: EIGHTY-ONE RESIDENTS (90% WOMEN; MEAN AGE, 85 YEARS), WHO WERE UNABLE TO PERFORM WBET (INABILITY TO INDEPENDENTLY WALK MORE THAN 10 M), WERE RANDOMLY ASSIGNED TO A CONTROL GROUP OR ONE OF THE 2 EXPERIMENTAL GROUPS (ITT OR YRT). EXPERIMENTAL GROUPS PERFORMED A SUPERVISED INTERVAL-BASED TRAINING PROTOCOL, EITHER THROUGH THRESHOLD INSPIRATORY MUSCLE TRAINING DEVICE OR YOGA BREATHING EXERCISES, WHICH LASTED 6 WEEKS (5 DAYS PER WEEK). OUTCOME MEASURES WERE COLLECTED AT 4 TIME POINTS (PRETRAINING, INTERMEDIATE, POSTTRAINING, AND FOLLOW-UP) AND INCLUDED THE MAXIMUM RESPIRATORY PRESSURES (MAXIMUM INSPIRATORY PRESSURE [MIP] AND MAXIMUM EXPIRATORY PRESSURE [MEP]) AND THE MAXIMUM VOLUNTARY VENTILATION (MVV). RESULTS: SEVENTY-ONE RESIDENTS COMPLETED THE STUDY: CONTROL (N = 24); ITT (N = 23); YRT (N = 24). THE TREATMENT ON HAD A SIGNIFICANT EFFECT ON MIP YRT (F(6,204) = 6.755, P < .001, ETA2 = 0.166), MEP (F(6,204) = 4.257, P < .001, ETA2 = 0.111), AND MVV (F(6,204) = 5.322, P < .001, ETA2 = 0.135). ANALYSES SHOWED THAT THE YRT GROUP HAD A GREATER INCREASE OF RM STRENGTH (MIP AND MEP) AND ENDURANCE (MVV) THAN CONTROL AND/OR ITT GROUPS. CONCLUSION: YOGA RESPIRATORY TRAINING APPEARS TO BE AN EFFECTIVE AND WELL-TOLERATED EXERCISE REGIMEN IN FRAIL OLDER ADULTS AND MAY THEREFORE BE A USEFUL ALTERNATIVE TO ITT OR NO TRAINING, TO IMPROVE RM FUNCTION IN OLDER POPULATION, WHEN WBET IS NOT POSSIBLE. 2014 15 1329 27 HIGH-FREQUENCY CEREBRAL ACTIVATION AND INTERHEMISPHERIC SYNCHRONIZATION FOLLOWING SUDARSHAN KRIYA YOGA AS GLOBAL BRAIN RHYTHMS: THE STATE EFFECTS. CONTEXT: RESPIRATION IS KNOWN TO MODULATE NEURONAL OSCILLATIONS IN THE BRAIN AND IS MEASURED BY ELECTROENCEPHALOGRAM (EEG). SUDARSHAN KRIYA YOGA (SKY) IS A POPULAR BREATHING PROCESS AND IS ESTABLISHED FOR ITS SIGNIFICANT EFFECTS ON THE VARIOUS ASPECTS OF PHYSIOLOGY AND PSYCHOLOGY. AIMS: THIS STUDY AIMED TO OBSERVE NEURONAL OSCILLATIONS IN MULTIFREQUENCY BANDS AND INTERHEMISPHERIC SYNCHRONIZATION FOLLOWING SKY. SETTINGS AND DESIGN: THIS STUDY EMPLOYED BEFORE- AND AFTER-STUDY DESIGN. SUBJECTS AND METHODS: FORTY HEALTHY VOLUNTEERS (AVERAGE AGE 25.45 +/- 5.75, 23 MALES AND 17 FEMALES) PARTICIPATED IN THE STUDY. NINETEEN-CHANNEL EEG WAS RECORDED AND ANALYZED FOR 5 MIN EACH: BEFORE AND AFTER SKY. SPECTRAL POWER FOR DELTA, THETA, ALPHA, BETA, AND GAMMA FREQUENCY BAND WAS CALCULATED USING MULTI-TAPER FAST FOURIER TRANSFORM (CHRONUX TOOLBOX). THE ASYMMETRY INDEX WAS CALCULATED BY SUBTRACTING THE NATURAL LOG OF POWERS OF LEFT (L) HEMISPHERE FROM THE RIGHT((R)) TO SHOW INTERHEMISPHERIC SYNCHRONIZATION. STATISTICAL ANALYSIS: PAIRED T-TEST WAS USED FOR STATISTICAL ANALYSIS. RESULTS: SPECTRAL POWER INCREASED SIGNIFICANTLY IN ALL FREQUENCY BANDS BILATERALLY IN FRONTAL, CENTRAL, PARIETAL, TEMPORAL, AND OCCIPITAL REGIONS OF THE BRAIN AFTER LONG SKY. ELECTRICAL ACTIVITY SHIFTED FROM LOWER TO HIGHER FREQUENCY RANGE WITH A SIGNIFICANT RISE IN THE GAMMA AND BETA POWERS FOLLOWING SKY. ASYMMETRY INDEX VALUES TENDED TOWARD 0 FOLLOWING SKY. CONCLUSIONS: A SINGLE SESSION OF SKY GENERATES GLOBAL BRAIN RHYTHM DOMINANTLY WITH HIGH-FREQUENCY CEREBRAL ACTIVATION AND INITIATES APPROPRIATE INTERHEMISPHERIC SYNCHRONIZATION IN BRAIN RHYTHMS AS STATE EFFECTS. THIS SUGGESTS THAT SKY LEADS TO BETTER ATTENTION, MEMORY, AND EMOTIONAL AND AUTONOMIC CONTROL ALONG WITH ENHANCED COGNITIVE FUNCTIONS, WHICH FINALLY IMPROVES PHYSICAL AND MENTAL WELL-BEING. 2020 16 659 33 EFFECT OF 11 MONTHS OF YOGA TRAINING ON CARDIORESPIRATORY RESPONSES DURING THE ACTUAL PRACTICE OF SURYA NAMASKAR. BACKGROUND: SURYA NAMASKAR (SN), A POPULAR TRADITIONAL INDIAN YOGIC PRACTICE, INCLUDES PRACTICING 12 PHYSICAL POSTURES WITH ALTERNATE FORWARD AND BACKWARD BENDING MOVEMENT OF THE BODY ALONG WITH DEEP BREATHING MANEUVERS. THE PRACTICE OF SN HAS BECOME POPULAR AMONG YOGA PRACTITIONERS AND OTHER FITNESS CONSCIOUS PEOPLE. THE LONG-TERM EFFECT OF PRACTICING SN AND OTHER YOGIC PRACTICES ON CARDIORESPIRATORY RESPONSES DURING SN ARE LACKING. AIM: THE PRESENT STUDY WAS CONDUCTED TO STUDY THE EFFECT OF YOGIC TRAINING ON VARIOUS CARDIORESPIRATORY RESPONSES DURING THE SN PRACTICE IN YOGA TRAINEES AFTER A TIME INTERVAL OF 3, 6, AND 11 MONTHS. MATERIALS AND METHODS: THE PRESENT STUDY WAS CONDUCTED ON 9 HEALTHY MALE ARMY SOLDIERS WHO UNDERWENT TRAINING IN VARIOUS YOGA POSTURES INCLUDING SN, MEDITATION, AND PRANAYAMA FOR 1 H DAILY FOR 11 MONTHS. FIRST, SECOND, AND THIRD PHASE OF THE STUDY WAS CONDUCTED IN THE LABORATORY AFTER COMPLETION OF 3, 6, AND 11 MONTHS OF THE YOGA TRAINING. THE PARTICIPANTS PERFORMED SN ALONG WITH OTHER YOGIC PRACTICES IN THE LABORATORY AS PER THEIR DAILY PRACTICE SCHEDULE. THE CARDIORESPIRATORY RESPONSES OF THE VOLUNTEERS WERE RECORDED DURING ACTUAL PRACTICE OF SN. STATISTICAL ANALYSIS: ONE-WAY REPEATED MEASURE ANOVA FOLLOWED BY TUKEY HSD. RESULTS: OXYGEN CONSUMPTION AND HEART RATE DURING ACTUAL PRACTICE OF SN WAS 0.794 +/- 0.252, 0.738 +/- 0.229, AND 0.560 +/- 0.165 L/MIN AND 92.1 +/- 11.6, 97.9 +/- 7.3 AND 87.4 +/- 9.2 BEATS/MIN RESPECTIVELY AT 1(ST) , 2(ND) , AND 3(RD) PHASE OF YOGA TRAINING. MINUTE VENTILATION AND TIDAL VOLUME ALSO REDUCED FROM 19.9 +/- 4.65 TO 17.8 +/- 4.41 L/MIN AND 1.091 +/- 0.021 TO 0.952 L/BREATH FROM 1(ST) PHASE TO 3(RD) PHASE OF YOGA TRAINING. HOWEVER, RESPIRATORY PARAMETERS LIKE BREATHING RATE (FR) DID NOT SHOW ANY REDUCTION ACROSS THE THREE PHASES. CONCLUSION: THE RESULTS OF THE PRESENT STUDY INDICATED THAT YOGIC TRAINING CAUSED CONDITIONING OF CARDIORESPIRATORY PARAMETERS EXCEPT FR, WHICH DID NOT REDUCE ACROSS THREE PHASES OF TRAINING. 2014 17 1565 27 LOW AND THEN HIGH FREQUENCY OSCILLATIONS OF DISTINCT RIGHT CORTICAL NETWORKS ARE PROGRESSIVELY ENHANCED BY MEDIUM AND LONG TERM SATYANANDA YOGA MEDITATION PRACTICE. MEDITATION PROFICIENCY IS RELATED TO TRAIT-LIKE (LEARNED) EFFECTS ON BRAIN FUNCTION, DEVELOPED OVER TIME. PREVIOUS STUDIES SHOW INCREASES IN EEG POWER IN LOWER FREQUENCY BANDS (THETA, ALPHA) IN EXPERIENCED MEDITATORS IN BOTH MEDITATION STATES AND BASELINE CONDITIONS. HIGHER GAMMA BAND POWER HAS BEEN FOUND IN ADVANCED BUDDHIST MEDITATORS, YET IT IS NOT KNOWN IF THIS OCCURS IN YOGA MEDITATION PRACTICES. THIS STUDY USED ELORETA TO COMPARE DIFFERENCES IN CORTICAL SOURCE ACTIVITY UNDERLYING SCALP EEG FROM INTERMEDIATE (MEAN EXPERIENCE 4 YEARS) AND ADVANCED (MEAN EXPERIENCE 30 YEARS) AUSTRALIAN MEDITATORS FROM THE SATYANANDA YOGA TRADITION DURING A BODY-STEADINESS MEDITATION, MANTRA MEDITATION, AND NON-MEDITATION MENTAL CALCULATION CONDITION. INTERMEDIATE YOGA MEDITATORS SHOWED GREATER SOURCE ACTIVITY IN LOW FREQUENCIES (PARTICULARLY THETA AND ALPHA1) DURING MENTAL CALCULATION, BODY-STEADINESS AND MANTRA MEDITATION. A SIMILAR SPATIAL PATTERN OF SIGNIFICANT DIFFERENCES WAS FOUND IN ALL CONDITIONS BUT THE NUMBER OF SIGNIFICANT VOXELS WAS DOUBLE DURING BODY-STEADINESS AND MANTRA MEDITATION THAN IN THE NON-MEDITATION (CALCULATION) CONDITION. THESE DIFFERENCES WERE GREATEST IN RIGHT (R) SUPERIOR FRONTAL AND R PRECENTRAL GYRI AND EXTENDED BACK TO INCLUDE THE R PARIETAL AND OCCIPITAL LOBES. ADVANCED YOGA MEDITATORS SHOWED GREATER ACTIVITY IN HIGH FREQUENCIES (BETA AND ESPECIALLY GAMMA) IN ALL CONDITIONS BUT GREATLY EXPANDED DURING MEDITATION PRACTICE. ACROSS ALL CONDITIONS (MEDITATION AND NON-MEDITATION) DIFFERENCES WERE GREATEST IN THE SAME REGIONS: R INSULA, R INFERIOR FRONTAL GYRUS AND R ANTERIOR TEMPORAL LOBE. DISTINCT R CORE NETWORKS WERE IDENTIFIED IN ALPHA1 (8-10 HZ) AND GAMMA (25-42 HZ) BANDS, RESPECTIVELY. THE VOXELS RECRUITED TO THESE NETWORKS GREATLY EXPANDED DURING MEDITATION PRACTICE TO INCLUDE HOMOLOGOUS REGIONS OF THE LEFT HEMISPHERE. FUNCTIONAL INTERPRETATION PARALLELS TRADITIONALLY DESCRIBED STAGES OF DEVELOPMENT IN YOGA PROFICIENCY. 2014 18 2114 24 THE EFFECT OF YOGA ON THE QUALITY OF LIFE AND FATIGUE IN PATIENTS WITH MULTIPLE SCLEROSIS: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CLINICAL TRIALS. BACKGROUND: THE IMPACT OF YOGA ON THE QUALITY OF LIFE AND FATIGUE IN PATIENTS WITH MULTIPLE SCLEROSIS (MS) HAS SHOWN VARIOUS RESULTS IN DIFFERENT REPORTS. AS A RESULT, PERFORMING A SYSTEMATIC REVIEW AND META-ANALYSIS TO GUIDE PHYSICIANS AND PATIENTS SEEMS NECESSARY. THE PRESENT STUDY WAS CARRIED OUT TO EVALUATE THE EFFECT OF YOGA INTERVENTION ON THE QUALITY OF LIFE AND FATIGUE IN PATIENTS WITH MS. METHOD: THE PRESENT STUDY WAS DESIGNED BASED ON PRISMA GUIDELINES FROM THEIR INCEPTION UNTIL OCTOBER 2019. TWO RESEARCHERS INDEPENDENTLY PERFORMED ALL STEPS. WE SEARCHED SEVERAL INTERNATIONAL ONLINE DATABASES SUCH AS PUBMED/MEDILNE, SCOPUS, SCIENCE DIRECT, COCHRANE LIBRARY, PSYCINFO, WEB OF SCIENCE, CINAHL, CAM-QUEST, CAMBASE, INDMED AND GOOGLE SCHOLAR SEARCH ENGINE. THE DATA WERE ANALYZED USING COMPREHENSIVE META-ANALYSIS SOFTWARE VER. 2, WHILE P < 0.05 WAS CONSIDERED SIGNIFICANT. THE PROTOCOL OF THIS META-ANALYSIS WAS REGISTERED AT PROSPERO WITH NUMBER IDENTIFIER: CRD42019127168. RESULTS: OVERALL, 693 PATIENTS WITH MS (YOGA (N = 209), EXERCISE (N = 298), CONTROL (N = 186) GROUPS) WERE EXAMINED IN TEN RANDOMIZED CONTROLLED TRIALS (RCTS). ACCORDING TO THIS META-ANALYSIS, THE EFFECT OF YOGA INTERVENTION ON FATIGUE IN PATIENTS WITH MS WAS SIGNIFICANTLY BETTER COMPARED TO THE TYPICAL MS CARE GROUP [SMD = -0.872; 95%CI: -1.467 TO -0.277, P = 0.004], AND DID NOT SHOW SIGNIFICANT DIFFERENCE COMPARED TO THE EXERCISE GROUP [SMD = -0.093; 95%CI: -0.353 TO 0.167, P = 0.482]. THE EFFECT OF YOGA INTERVENTION ON THE OVERALL QUALITY OF LIFE (COMPARED TO THE TYPICAL MS CARE GROUP: [SMD = 0.710; 95%CI: -0.172 TO 1.592, P = 0.114], AND COMPARED TO THE EXERCISE GROUP: [SMD = -0.453; 95%CI: -0.233 TO 1.138, P = 0.195]), PHYSICAL COMPONENT (COMPARED TO THE TYPICAL MS CARE GROUP: [SMD = 0.281; 95%CI: -0.157 TO 0.719, P = 0.209], AND COMPARED TO THE EXERCISE GROUP: [SMD = 0.074; 95%CI: -0.125 TO 0.273, P = 0.467]), PSYCHOLOGICAL COMPONENT (COMPARED TO THE TYPICAL MS CARE GROUP: [SMD = 0.250; 95% CI: - 0.132 TO 0.631, P = 0.199], AND COMPARED TO THE EXERCISE GROUP: [SMD = - 0.270; 95%CI: -0.813 TO 0.272, P = 0.329]), SEXUAL FUNCTION (COMPARED TO THE TYPICAL MS CARE GROUP: [SMD = 0.438; 95%CI: -0.350 TO 1.226, P = 0.276]), AND COGNITIVE FUNCTION (COMPARED TO THE TYPICAL MS CARE GROUP: [SMD = -0.390; 95%CI: -0.008 TO 0.789, P = 0.055]) IN PATIENTS WITH MS WAS NOT SIGNIFICANT. CONCLUSION: YOGA IS A SIMPLE EXERCISE FOR PATIENTS WITH MS THAT IS CAPABLE OF DECREASING FATIGUE IN THESE PATIENTS. 2020 19 2916 25 [THE EFFECT OF HATHA YOGA ON POOR POSTURE IN CHILDREN AND THE PSYCHOPHYSIOLOGIC CONDITION IN ADULTS]. HATHA YOGA'S EFFECTS ON THE POSTURE OF 15 TEN YEAR-OLD CHILDREN AND ALSO ITS EFFECTS ON THE PSYCHOPHYSICAL CONDITION OF 15 GROWN-UPS WAS STUDIED. AS SYMPTOMS, DURING THE FIRST EXAMINATION, 12 OF THE 15 CHILDREN HAD HEAD PROTRUSION, 14 HAD SHORTENED BACK EXTENSORS, ALL 15 HAD BENT SHOULDERS, RELAXATION OF THE FRONTAL ABDOMINAL WALL AND SHORTENED FLEXORS OF BOTH THE CALF AND THIGH. THE CONDITION OF ALL THE CHILDREN WAS REMARKABLY BETTER AFTER SIX MONTHS OF PRACTICE, SOME OF THE SYMPTOMS HAVING COMPLETELY DISAPPEARED (HEAD PROTRUSION, ASYMMETRY OF THE SHOULDERS, MAMILLAS AND HIPS, SHORTENING OF THE PECTORALIS AND BACK EXTENSORS), 9 CHILDREN STILL HAD SLIGHT TO MEDIUM RELAXATION OF THE FRONTAL ABDOMINAL WALL, 8 CHILDREN STILL HAD BENT SHOULDERS, AND 1 CHILD STILL HAD SHORTENED CALF AND THIGH EXTENSORS. THE ADULTS WERE IN A WEAK OR VERY WEAK PSYCHOPHYSICAL CONDITION, THEY TIRED EASILY, THEY COMPLAINED OF SLEEP DISTURBANCES, FLUCTUATION OF EMOTIONAL STATE AND IRRITABILITY. AFTER 3 MONTHS OF PRACTICE, THE VITAL CAPACITY OF 8 OF THE ADULTS TESTED (53.3%) HAD INCREASED BY 435 ML. THE TIME DURATION OF APNOEA HAD LENGTHENED FOR ALL OF THE PRACTICING ADULTS, BUT WITH A TRULY LARGE VARIATION AMONG THEM (A MEDIAN OF 14%). THE DEEP WAIST-BEND LENGTH OF ALL THE PRACTICING ADULTS HAD LENGTHENED BY AN AVERAGE OF 9.5 CM, AND THE AVERAGE LENGTH INCREASE FOR THE 3-MINUTE RUNNING TEST WAS 42 M. ALL THOSE WHO PRACTICED, HAD EXPERIENCED AN ALLEVIATION OF PSYCHIC DIFFICULTIES. 1990 20 889 13 EFFECT OF YOGA-BASED AND FORCED UNINOSTRIL BREATHING ON THE AUTONOMIC NERVOUS SYSTEM. SOME REPORTS HAVE DESCRIBED THE EFFECTS OF FORCED UNINOSTRIL BREATHING ON AUTONOMIC ACTIVITY AS SEX-SPECIFIC, WHILE OTHER REPORTS DESCRIBED SELECTIVE EFFECTS OF BREATHING THROUGH A SPECIFIC NOSTRIL ON THE TWO DIVISIONS OF THE AUTONOMIC NERVOUS SYSTEM, IRRESPECTIVE OF SEX. THERE ARE ALSO YOGA BREATHING TECHNIQUES WHICH INVOLVE VOLUNTARY UNINOSTRIL BREATHING. THESE TECHNIQUES ALSO INFLUENCED THE AUTONOMIC ACTIVITY BASED ON THE PATENT NOSTRIL RATHER THAN SEX. THESE DESCRIPTIONS WERE IN LINE WITH EXPERIENTIAL OBSERVATIONS OF THE ANCIENT SAGES DESCRIBED IN CLASSICAL YOGA TEXTS. THIS PAPER SUMMARIZES THESE PERSPECTIVES ON UNINOSTRIL BREATHING. 2003