1 883 96 EFFECT OF YOGA TRAINING ON MAZE LEARNING. THE PERFORMANCE IN A MAZE LEARNING TASK WAS ASSESSED IN ADULTS OF EITHER SEX (N = 31) BEFORE AND AFTER 30 DAYS OF YOGA TRAINING AND IN AN AGE AND GENDER MATCHED CONTROL GROUP OF SUBJECTS WHO DID NOT RECEIVE TRAINING IN YOGA. SUBJECTS WERE BLIND FOLDED AND USED THE DOMINANT HAND TO TRACE THE PATH IN A WOODEN PENCIL MAZE. AT EACH ASSESSMENT, SUBJECTS WERE GIVEN 5 TRIALS, WITHOUT A GAP BETWEEN THEM. PERFORMANCE WAS BASED ON THE TIME TAKEN TO COMPLETE THE MAZE AND THE NUMBER OF BLIND ALLEYS TAKEN. THE TIME AND ERROR SCORES OF TRIAL 1 WERE SIGNIFICANTLY LESS AFTER YOGA (TWO-FACTOR ANOVA, TUKEY TEST). REPEATING TRIALS SIGNIFICANTLY DECREASED TIME SCORES AT TRIAL 5 VERSUS TRIAL 1, FOR BOTH GROUPS ON DAY 1 AND FOR THE CONTROL GROUP ON DAY 30. HENCE THE YOGA GROUP SHOWED IMPROVED PERFORMANCE IN MAZE TRACING AT RETEST 30 DAYS LATER, WHICH MAY BE RELATED TO THIS GROUP BEING FASTER LEARNERS AND ALSO THE EFFECT OF YOGA ITSELF. YOGA TRAINING DID NOT INFLUENCE MAZE LEARNING, BASED ON THE PERFORMANCE IN 5 REPEAT TRIALS. 2000 2 2510 31 YOGA BREATHING THROUGH A PARTICULAR NOSTRIL INCREASES SPATIAL MEMORY SCORES WITHOUT LATERALIZED EFFECTS. UNINOSTRIL BREATHING FACILITATES THE PERFORMANCE ON SPATIAL AND VERBAL COGNITIVE TASKS, SAID TO BE RIGHT AND LEFT BRAIN FUNCTIONS, RESPECTIVELY. SINCE HEMISPHERIC MEMORY FUNCTIONS ARE ALSO KNOWN TO BE LATERALIZED, THE PRESENT STUDY ASSESSED THE EFFECTS OF UNINOSTRIL BREATHING ON THE PERFORMANCE IN VERBAL AND SPATIAL MEMORY TESTS. SCHOOL CHILDREN (N = 108 WHOSE AGES RANGED FROM 10 TO 17 YEARS) WERE RANDOMLY ASSIGNED TO FOUR GROUPS. EACH GROUP PRACTICED A SPECIFIC YOGA BREATHING TECHNIQUE: (I) RIGHT NOSTRIL BREATHING, (II) LEFT NOSTRIL BREATHING, (III) ALTERNATE NOSTRIL BREATHING, OR (IV) BREATH AWARENESS WITHOUT MANIPULATION OF NOSTRILS. THESE TECHNIQUES WERE PRACTICED FOR 10 DAYS. VERBAL AND SPATIAL MEMORY WAS ASSESSED INITIALLY AND AFTER 10 DAYS. AN AGE-MATCHED CONTROL GROUP OF 27 WERE SIMILARLY ASSESSED. ALL 4 TRAINED GROUPS SHOWED A SIGNIFICANT INCREASE IN SPATIAL TEST SCORES AT RETEST, BUT THE CONTROL GROUP SHOWED NO CHANGE. AVERAGE INCREASE IN SPATIAL MEMORY SCORES FOR THE TRAINED GROUPS WAS 84%. IT APPEARS YOGA BREATHING INCREASES SPATIAL RATHER THAN VERBAL SCORES, WITHOUT A LATERALIZED EFFECT. 1997 3 1354 25 IMMEDIATE EFFECT OF THREE YOGA BREATHING TECHNIQUES ON PERFORMANCE ON A LETTER-CANCELLATION TASK. THE EFFECTS OF THREE YOGA BREATHING PRACTICES WERE EVALUATED ON PERFORMANCE ON A LETTER-CANCELLATION TASK WHICH IS A LEFT-HEMISPHERE DOMINANT TASK. THE THREE YOGA BREATHING PRACTICES (RIGHT, LEFT, AND ALTERNATE NOSTRIL BREATHING) WERE SELECTED BECAUSE UNILATERAL FORCED NOSTRIL BREATHING STIMULATES THE CONTRALATERAL HEMISPHERE. THERE WERE 20 MALE VOLUNTEERS WHOSE AGES RANGED FROM 20 TO 45 YEARS (M AGE=28.4 YR., SD=5.7). ALL SUBJECTS WERE ASSESSED BEFORE AND AFTER FOUR SESSIONS, I.E., RIGHT NOSTRIL YOGA BREATHING, LEFT NOSTRIL YOGA BREATHING, ALTERNATE NOSTRIL YOGA BREATHING, AND BREATH AWARENESS AS A CONTROL. THE LETTER-CANCELLATION TASK SCORES WERE SIGNIFICANTLY IMPROVED, I.E., THERE WERE FEWER ERRORS FOLLOWING RIGHT AND ALTERNATE NOSTRIL YOGA BREATHING (WILCOXON PAIRED SIGNED-RANKS TEST). THE IMPROVED PERFORMANCE MAY BE RELATED TO THE ENHANCEMENT OF CONTRALATERAL HEMISPHERE FUNCTION FOUND WITH SELECTIVE NOSTRIL BREATHING. 2007 4 885 24 EFFECT OF YOGA TRAINING ON REACTION TIME, RESPIRATORY ENDURANCE AND MUSCLE STRENGTH. THERE IS EVIDENCE THAT THE PRACTICE OF YOGA IMPROVES PHYSICAL AND MENTAL PERFORMANCE. THE PRESENT INVESTIGATION WAS UNDERTAKEN TO STUDY THE EFFECT OF YOGA TRAINING ON VISUAL AND AUDITORY REACTION TIMES (RTS), MAXIMUM EXPIRATORY PRESSURE (MEP), MAXIMUM INSPIRATORY PRESSURE (MIP), 40 MMHG TEST, BREATH HOLDING TIME AFTER EXPIRATION (BHTEXP), BREATH HOLDING TIME AFTER INSPIRATION (BHTINSP), AND HAND GRIP STRENGTH (HGS). TWENTY SEVEN STUDENT VOLUNTEERS WERE GIVEN YOGA TRAINING FOR 12 WEEKS. THERE WAS A SIGNIFICANT (P < 0.001) DECREASE IN VISUAL RT (FROM 270.0 +/- 6.20 (SE) TO 224.81 +/- 5.76 MS) AS WELL AS AUDITORY RT (FROM 194.18 +/- 6.00 TO 157.33 +/- 4.85 MS). MEP INCREASED FROM 92.61 +/- 9.04 TO 126.46 +/- 10.75 MMHG, WHILE MIP INCREASED FROM 72.23 +/- 6.45 TO 90.92 +/- 6.03 MMHG, BOTH THESE CHANGES BEING STATISTICALLY SIGNIFICANT (P < 0.05). 40 MMHG TEST AND HGS INCREASED SIGNIFICANTLY (P < 0.001) FROM 36.57 +/- 2.04 TO 53.36 +/- 3.95 S AND 13.78 +/- 0.58 TO 16.67 +/- 0.49 KG RESPECTIVELY. BHTEXP INCREASED FROM 32.15 +/- 1.41 TO 44.53 +/- 3.78S (P < 0.01) AND BHTINSP INCREASED FROM 63.69 +/- 5.38 TO 89.07 +/- 9.61 S (P < 0.05). OUR RESULTS SHOW THAT YOGA PRACTICE FOR 12 WEEKS RESULTS IN SIGNIFICANT REDUCTION IN VISUAL AND AUDITORY RTS AND SIGNIFICANT INCREASE IN RESPIRATORY PRESSURES, BREATH HOLDING TIMES AND HGS. 1992 5 482 19 CLINICAL EFFICACY OF HERBAL PADMAPATRADI YOGA IN BRONCHIAL ASTHMA (TAMAKA SWASA). AYURVEDA REFERS TO BRONCHIAL ASTHMA AS TAMAKA SWASA AND IT IS WELL EXPLAINED IN CHARAKA SAMHITA. IT CONTRIBUTES SEVERAL MODALITIES OF THE TREATMENT FOR SWASA ROGA(ASTHMA). AMONG ALL MODALITIES OF TREATMENT, POLYHERBAL COMBINATIONS ARE SAID TO BE WELL-ACCEPTED, SAFE AND EFFECTIVE IN ASTHMA. A STUDY WAS CARRIED OUT IN 40 PATIENTS OF EITHER SEX IN BETWEEN THE AGE OF 15-65 YEARS TO ASSURE THE CLINICAL RESPONSE OF PADMAPATRADI YOGA IN BRONCHIAL ASTHMA (TAMAKA SWASA) AT P.G. DEPARTMENT OF KAYACHIKITSA, D.G.M. AYURVEDIC MEDICAL COLLEGE, GADAG, KARNATAKA. THE SUM TOTAL PROPERTIES OF PADMAPATRADI YOGA IS TIKTA KATU RASA, LAGHU AND TIKNA GUNA (LIGHT AND PENETRATING PROPERTIES), USHNA VIRYA (HOT POTENCY) AND VATAKAPHAGNA (DECREASE VATA AND KAPHA DOSA) PADMAPATRADI YOGA IS EFFECTIVE IN INCREASED PEAK EXPIRATORY FLOW RATE, BREATH HOLDING TIME, AND REDUCES THE ABSOLUTE EOSINOPHIL COUNT OF STUDIED CASES AND ALSO FOUND STATISTICALLY HIGHLY SIGNIFICANT AT P<0.001 LEVEL. THE DRUG IS QUITE SAFE AND ACTS AS A BRONCHODILATOR, ANTIHISTAMINIC AND ANTI-INFLAMMATORY. 2011 6 1909 18 RIGHT UNINOSTRIL YOGA BREATHING INFLUENCES IPSILATERAL COMPONENTS OF MIDDLE LATENCY AUDITORY EVOKED POTENTIALS. A PREVIOUS REPORT DESCRIBED SELECTIVE ELECTRICAL ACTIVITY OF THE CEREBRAL HEMISPHERES WITH UNINOSTRIL BREATHING. IN THE PRESENT STUDY, MIDDLE LATENCY AUDITORY EVOKED POTENTIALS (MLAEPS) WERE RECORDED FROM SYMMETRICAL SCALP SITES DURING THE PRACTICE OF UNINOSTRIL YOGA BREATHING. THERE WERE TWO SESSIONS (40 MIN EACH) OF RIGHT NOSTRIL YOGA BREATHING (RNB) AND OF BREATH AWARENESS (BAW), WITH (I) 'BEFORE', (II) TEST (EITHER RNB OR BAW) AND (III) 'AFTER' PERIODS. THE PARTICIPANTS WERE 14 MALE VOLUNTEERS AGED BETWEEN 18 AND 33 YEARS, AND THE SETTING WAS A YOGA CENTRE. MLAEPS WERE RECORDED FROM SYMMETRICAL SCALP SITES (C4 AND C3). DURING RNB, THE PEAK AMPLITUDES OF TWO NEGATIVE COMPONENTS (VIZ. NA WAVE AND NB WAVE) WERE SIGNIFICANTLY INCREASED ON THE RIGHT SIDE. INCREASED PEAK AMPLITUDES OF NA AND NB WAVES SUGGESTED THAT RNB INCREASED THE NUMBER OF NEURONS RECRUITED ON THE RIGHT SIDE, SUGGESTING A POSSIBLE APPLICATION OF RNB IN CERTAIN PSYCHIATRIC DISORDERS WITH CEREBRAL HEMISPHERIC IMBALANCE. 2004 7 673 34 EFFECT OF A ONE-MONTH YOGA TRAINING PROGRAM ON PERFORMANCE IN A MIRROR-TRACING TASK. THE PERFORMANCE IN A MIRROR STAR TRACING TASK WAS ASSESSED IN TWO GROUPS OF VOLUNTEERS (YOGA AND CONTROL) WITH 26 PEOPLE IN EACH GROUP, AND AGE RANGE BETWEEN 18 AND 45 YEARS. THE STAR TO BE TRACED WAS SIX POINTED AND THE OUTLINE WAS MADE UP OF 60 CIRCLES (4 MM IN DIAMETER). AT THE END OF ONE MONTH THE YOGA GROUP SHOWED A SIGNIFICANT IMPROVEMENT IN TERMS OF AN INCREASE IN THE NUMBER OF CIRCLES CROSSED (P<0.001, WILCOXON PAIRED SIGNED RANKS TEST) FOR BOTH HANDS AND A DECREASE IN THE NUMBER OF CIRCLES LEFT OUT FOR THE RIGHT HAND (P<0.05). THE CONTROL GROUP SHOWED A SIGNIFICANT INCREASE IN NUMBER OF CIRCLES CROSSED FOR THE LEFT HAND ALONE (P<0.05) AT THE END OF A MONTH ATTRIBUTED TO RE-TEST. THE STUDY SUGGESTS THAT ONE MONTH OF YOGA IMPROVED REVERSAL ABILITY, EYE-HAND CO-ORDINATION, SPEED AND ACCURACY WHICH ARE NECESSARY FOR MIRROR STAR TRACING. 2006 8 1013 23 EFFECTS OF ONLINE YOGA AND TAI CHI ON PHYSICAL HEALTH OUTCOME MEASURES OF ADULT INFORMAL CAREGIVERS. AIMS: THIS STUDY AIMED TO INVESTIGATE THE EFFECTS OF ONLINE VINYASA YOGA (VY) AND TAIJIFIT (12 WEEKS) IN INFORMAL CAREGIVERS (>/=18 YEARS OF AGE). METHODS: TWENTY-NINE PARTICIPANTS WERE RANDOMIZED TO TWO GROUPS: VY (N = 16, 55.87 +/- 12.31 YEARS) OR TAIJIFIT (N = 13, 55.07 +/- 12.65 YEARS). MAIN OUTCOME MEASURES: PRIOR TO AND FOLLOWING THE STUDY, ASSESSMENTS WERE MADE FOR MUSCLE STRENGTH (1-RM LEG PRESS, CHEST PRESS, AND HANDGRIP), MUSCLE ENDURANCE (LEG PRESS AND CHEST PRESS; MAXIMAL NUMBER OF REPETITIONS PERFORMED TO FATIGUE AT 80% AND 70% BASELINE 1-RM, RESPECTIVELY), ABDOMINAL ENDURANCE (MAXIMUM NUMBER OF CONSECUTIVE CURL-UPS TO FATIGUE), TASKS OF FUNCTIONALITY (DYNAMIC BALANCE AND WALKING SPEED), AND FLEXIBILITY (SIT AND REACH). RESULTS: THERE WAS A SIGNIFICANT INCREASE OVER TIME FOR MUSCLE STRENGTH, MUSCLE ENDURANCE, TASKS OF FUNCTIONALITY, AND FLEXIBILITY (P = 0.001). THE VY GROUP EXPERIENCED A GREATER IMPROVEMENT IN CHEST PRESS ENDURANCE (VY: PRE 19.25 +/- 5.90, POST 28.06 +/- 7.60 REPS; TAIJIFIT PRE 15.69 +/- 4.49, POST 21.07 +/- 5.85 REPS; P = 0.019) AND ABDOMINAL ENDURANCE (VY: PRE 37.12 +/- 31.26, POST 68.43 +/- 55.07 REPS; TAIJIFIT PRE 19.23 +/- 19.00, POST 32.07 +/- 20.87 REPS; P = 0.034) COMPARED TO THE TAIJIFIT GROUP. CONCLUSIONS: VY AND TAIJIFIT ARE EFFECTIVE FOR IMPROVING MUSCLE STRENGTH AND ENDURANCE, TASKS OF FUNCTIONALITY, AND FLEXIBILITY IN INFORMAL CAREGIVERS. VY LED TO GREATER GAINS IN CHEST PRESS ENDURANCE AND ABDOMINAL CURL-UPS. 2019 9 1420 32 IMPROVED PERFORMANCE IN THE TOWER OF LONDON TEST FOLLOWING YOGA. TWENTY GIRLS BETWEEN 10 AND 13 YEARS OF AGE, STUDYING AT A RESIDENTIAL SCHOOL WERE RANDOMLY ASSIGNED TO TWO GROUPS. ONE GROUP PRACTICED YOGA FOR ONE HOUR FIFTEEN MINUTES PER DAY, 7 DAYS A WEEK, WHILE THE OTHER GROUP WAS GIVEN PHYSICAL TRAINING FOR THE SAME TIME. TIME FOR PLANNING AND FOR EXECUTION AND THE NUMBER OF MOVES REQUIRED TO COMPLETE THE TOWER OF LONDON TASK WERE ASSESSED FOR BOTH GROUPS AT THE BEGINNING AND END OF A MONTH. THESE THREE ASSESSMENTS WERE SEPARATELY TESTED IN INCREASINGLY COMPLEX TASKS REQUIRING 2-MOVES, 4-MOVES AND 5-MOVES. THE PRE-POST DATA WERE COMPARED USING THE WILCOXON PAIRED SIGNED RANKS TEST. THE YOGA GROUP SHOWED A SIGNIFICANT REDUCTION IN PLANNING TIME FOR BOTH 2-MOVES AND 4-MOVES TASKS (53.9 AND 59.1 PERCENT RESPECTIVELY), EXECUTION TIME IN BOTH 4-MOVES AND 5-MOVES TASKS (63.7 AND 60.3 PERCENT RESPECTIVELY), AND IN THE NUMBER OF MOVES IN THE 4-MOVES TASKS (20.9 PERCENT). THE PHYSICAL TRAINING GROUP SHOWED NO CHANGE. HENCE YOGA TRAINING FOR A MONTH REDUCED THE PLANNING AND EXECUTION TIME IN SIMPLE (2-MOVES) AS WELL AS COMPLEX TASKS (4, 5-MOVES) AND FACILITATED REACHING THE TARGET WITH A SMALLER NUMBER OF MOVES IN A COMPLEX TASK (4-MOVES). 2001 10 2814 35 YOGA TRAINING AND MOTOR SPEED BASED ON A FINGER TAPPING TASK. A FINGER TAPPING TASK WAS USED TO ASSESS MOTOR SPEED (MS) OF BOTH HANDS IN 53 ADULTS AND 152 CHILDREN BEFORE AND AFTER YOGA TRAINING AND IN 38 ADULTS OF A NON-YOGA (CONTROL) GROUP. ALL SUBJECTS WERE RIGHT HAND DOMINANT. THE 30-SECOND TAPPING SPEED (TS) TEST WAS CONSIDERED AS THREE TIME INTERVALS, I.E. 0-10 SECOND (TS1), 10-20 SECONDS (TS2) AND 20-30 SECONDS (TS3). THERE WAS A SIGNIFICANT (STUDENT'S T-TEST) INCREASE IN ALL THREE TS VALUES FOLLOWING 10 DAYS OF YOGA IN CHILDREN AND 30 DAYS OF YOGA IN ADULTS. HOWEVER FOR BOTH GROUPS AT BASELINE AND FINAL ASSESSMENTS, TS2 AND TS3 WERE SIGNIFICANTLY LOWER THAN TS1. HENCE THE TS WAS INCREASED AFTER YOGA TRAINING DURING THE FIRST 10-SECONDS OF THE TEST BUT NOT DURING THE NEXT 20 SECONDS. THESE RESULTS SUGGEST AN INCREASE IN MOTOR SPEED FOR REPETITIVE FINGER MOVEMENTS FOLLOWING YOGA TRAINING, BUT NOT IN STRENGTH OR ENDURANCE, AS THE INCREASE WAS NOT SUSTAINED OVER 30 SEC. 1999 11 379 11 BASILAR ARTERY OCCLUSION FOLLOWING YOGA EXERCISE: A CASE REPORT. BASILAR ARTERY OCCLUSION DEVELOPED IN A 34 YEAR OLD WOMAN 2 MONTHS AFTER ADOPTING UNUSUAL NECK POSTURES DURING YOGA PRACTICE. ON ANGIOGRAPHY, HER BASILAR ARTERY WAS FILLED WITH INTRALUMINAL CLOT WHILE THE VERTEBRAL ARTERIES WERE NORMAL. WE POSTULATE THAT A SEVERE REDUCTION IN BLOOD FLOW AND POSSIBLY AN INTIMAL TEAR TRIGGERED THROMBOSIS OF THE VERTEBRAL ARTERY AND THAT THE FINAL STROKE MECHANISM WAS ARTERY-TO-ARTERY EMBOLISM. 1993 12 1323 26 HEMODYNAMIC OBSERVATIONS OF TUMO YOGA PRACTITIONERS IN A HIMALAYAN ENVIRONMENT. BACKGROUND: FEW ATTEMPTS HAVE BEEN MADE TO EVALUATE THE PHYSIOLOGY OF TRADITIONAL EASTERN HEALTH PRACTICES. THE GOAL OF THIS STUDY WAS TO EVALUATE THE HEMODYNAMIC EFFECTS OF THE MYSTERIOUS BUDDHIST PRACTICE OF TUMO. TUMO IS A MEDITATIVE PRACTICE THAT PRODUCES INNER HEAT THROUGH THE ALLEGED CULTIVATION OF BODY ENERGY-CHANNELS. METHODS: THIS STUDY WAS PERFORMED BY MEMBERS OF AN INTERNATIONAL EXPEDITION TO THE HIMALAYAN MOUNTAINS IN THE REPUBLIC OF INDIA. THE STUDY WAS PERFORMED IN AN UNPOPULATED OUTDOOR MOUNTAINOUS AREA AT AN ALTITUDE OF 16,400 FT WITH AMBIENT TEMPERATURES BETWEEN -10 AND -15( DEGREES )C. TWO (2) COHORTS OF SUBJECTS WERE STUDIED: HEALTHY NON-YOGI VOLUNTEERS AND TUMO PRACTITIONERS. ALL OF THE SUBJECTS WERE STRIPPED DOWN TO THEIR UNDERCLOTHES AND EXPOSED TO THE SUBZERO ATMOSPHERIC TEMPERATURES FOR 5 MINUTES. THE VOLUNTEERS WERE THEN PASSIVELY REWARMED WHILE THE TUMO PRACTITIONERS PERFORMED TUMO FOR UP TO 10 MINUTES. BLOOD PRESSURE, HEART RATE, AND STROKE VOLUME INDEX (SVI) AND CARDIAC INDEX WERE MEASURED NONINVASIVELY USING A NICOM HEMODYNAMIC MONITOR, WHILE CAROTID BLOOD FLOW AND BIVENTRICULAR PERFORMANCE WERE DETERMINED ECHOCARDIOGRAPHICALLY AT EACH STAGE OF THE EXPERIMENT. THE TOTAL PERIPHERAL RESISTANCE INDEX (TPRI), LEFT VENTRICULAR EJECTION FRACTION (LVEF), AND TRICUSPID ANNULAR PLANE SYSTOLIC EXCURSION (TAPSE) WERE DETERMINED USING STANDARD FORMULA. RESULTS: FOURTEEN (14) SUBJECTS (SIX VOLUNTEERS AND EIGHT TUMO PRACTITIONERS) COMPLETED THE STUDY. THERE WAS ONE FEMALE SUBJECT IN EACH GROUP. WITH COLD EXPOSURE, THE SVI AND CAROTID BLOOD FLOW DECREASED WHILE THE TPRI INCREASED SIGNIFICANTLY IN BOTH GROUPS. IN THE VOLUNTEER GROUP, THESE CHANGES RETUNED TO BASELINE WITH REWARMING. FOLLOWING TUMO, THE CARDIAC INDEX (4.8+/-0.6 VERSUS 4.0+/-0.5 L/M(2); P<0.01), CAROTID BLOOD FLOW (445+/-127 VERSUS 325+/-100 ML/MIN/M(2), P<0.01), LVEF (68+/-5 VERSUS 64+/-7%; P<0.05) AND TAPSE (2.9+/-0.4 VERSUS 2.4+/-0.5 CM; P<0.01) WERE SIGNIFICANTLY HIGHER WHEN COMPARED WITH BASELINE, WHILE THE TPRI WAS SIGNIFICANTLY LOWER (1786+/-189 VERSUS 2173+/-281; P<0.01). CONCLUSIONS: TUMO WAS ASSOCIATED WITH A HYPERDYNAMIC VASODILATED STATE WITH INCREASED BIVENTRICULAR PERFORMANCE. WE POSTULATE THAT TUMO RESULTS IN A MASSIVE INCREASE IN SYMPATHETIC ACTIVITY WITH ACTIVATION OF BROWN ADIPOSE TISSUE AND MARKED HEAT PRODUCTION. THE INCREASED HEAT PRODUCTION MAY EXPLAIN THE PARADOXICAL VASODILATATION IN TUMO PRACTITIONERS EXPOSED TO SUBZERO TEMPERATURES. 2014 13 1360 21 IMMEDIATE EFFECTS OF YOGA BREATHING WITH INTERMITTENT BREATH HOLDING ON RESPONSE INHIBITION AMONG HEALTHY VOLUNTEERS. BACKGROUND: THERE IS VERY LITTLE EVIDENCE AVAILABLE ON THE EFFECTS OF YOGA-BASED BREATHING PRACTICES ON RESPONSE INHIBITION. THE CURRENT STUDY USED STOP-SIGNAL PARADIGM TO ASSESS THE EFFECTS OF YOGA BREATHING WITH INTERMITTENT BREATH HOLDING (YBH) ON RESPONSE INHIBITION AMONG HEALTHY VOLUNTEERS. MATERIALS AND METHODS: THIRTY-SIX HEALTHY VOLUNTEERS (17 MALES + 19 FEMALES), WITH MEAN AGE OF 20.31 +/- 3.48 YEARS FROM A UNIVERSITY, WERE RECRUITED IN A WITHIN-SUBJECT REPEATED MEASURES (RM) DESIGN. THE RECORDINGS FOR STOP SIGNAL TASK WERE PERFORMED ON THREE DIFFERENT DAYS FOR BASELINE, POST-YBH, AND POST YOGIC BREATH AWARENESS (YBA) SESSIONS. STOP-SIGNAL REACTION TIME (SSRT), MEAN REACTION TIME TO GO STIMULI (GO RT), AND THE PROBABILITY OF RESPONDING ON-STOP SIGNAL TRIALS (P [R/S]) WERE ANALYZED FOR 36 VOLUNTEERS USING RM ANALYSIS OF VARIANCE. RESULTS: SSRT REDUCED SIGNIFICANTLY IN BOTH YBH (218.33 +/- 38.38) AND YBA (213.15 +/- 37.29) GROUPS WHEN COMPARED TO BASELINE (231.98 +/- 29.54). NO SIGNIFICANT CHANGES WERE OBSERVED IN GO RT AND P (R/S). FURTHER, THE CHANGES IN SSRT WERE NOT SIGNIFICANTLY DIFFERENT AMONG YBH AND YBA GROUPS. CONCLUSION: BOTH YBH AND YBA GROUPS WERE FOUND TO ENHANCE RESPONSE INHIBITION IN THE STOP-SIGNAL PARADIGM. YBH COULD BE FURTHER EVALUATED IN CLINICAL SETTINGS FOR CONDITIONS WHERE RESPONSE INHIBITION IS ALTERED. 2018 14 898 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 15 889 15 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 16 72 25 A FUNCTIONAL NEAR-INFRARED SPECTROSCOPY STUDY OF HIGH-FREQUENCY YOGA BREATHING COMPARED TO BREATH AWARENESS. BACKGROUND HIGH-FREQUENCY YOGA BREATHING (BREATH RATE OF 2.0 HZ) HAS BEEN ASSOCIATED WITH CHANGES IN OXY-HEMOGLOBIN IN THE PREFRONTAL REGION OF THE BRAIN. THE PRESENT STUDY ASSESSED THE EFFECTS OF HIGH-FREQUENCY YOGA BREATHING (HFYB) AT 1.0 HZ ON FRONTAL OXY-HEMOGLOBIN (OXY-HB) AND DEOXY-HEMOGLOBIN (DEOXY-HB). MATERIAL AND METHODS FORTY HEALTHY MALE PARTICIPANTS WERE RECRUITED FOR THE STUDY. THE EXPERIMENTAL GROUP CONSISTED OF 20 PARTICIPANTS 23-40 YEARS OLD (GROUP MEAN +/-S.D., 26.4+/-4.7 YEARS) WITH AT LEAST 3 MONTHS OF EXPERIENCE PERFORMING HFYB (GROUP MEAN +/-S.D., 16.3+/-9.8 MONTHS). THE CONTROL GROUP CONSISTED OF 20 PARTICIPANTS AGES 23-38 YEARS (GROUP MEAN AGE +/- S.D., 27.4+/-4.1 YEARS), WHO WERE SEATED QUIETLY FOR THE SAME DURATION AND THEIR AVERAGE EXPERIENCE OF YOGA PRACTICE WAS (+/-S.D.) 4.3+/-2.7 MONTHS. EACH PARTICIPANT IN THE EXPERIMENTAL GROUP WAS ASSESSED AT 2 SESSIONS (HFYB AND BREATH AWARENESS [BAW]) ON ALTERNATE DAYS. HEMODYNAMIC CHANGES WERE ASSESSED USING A FUNCTIONAL NEAR-INFRARED SPECTROSCOPY SENSOR PLACED OVER THE FOREHEAD. DATA WERE ANALYZED USING REPEATED-MEASURES ANALYSES OF VARIANCE FOLLOWED BY POST HOC BONFERRONI ADJUSTMENT. RESULTS A SIGNIFICANT REDUCTION WAS OBSERVED IN OXY-HB DURING AND AFTER HFYB ON THE LEFT AND RIGHT SIDES COMPARED TO VALUES BEFORE. WE ALSO FOUND A SIGNIFICANT REDUCTION IN DEOXY-HB DURING AND AFTER THE QUIET SITTING CONTROL SESSION COMPARED TO PRE-SESSION VALUES ON LEFT AND RIGHT SIDES. CONCLUSIONS THE DECREASE IN OXY-HB DURING AND AFTER HFYB SUGGESTS THAT THERE WAS NO FRONTAL ACTIVATION DURING HFYB WHEN PRACTICED AT THE RATE OF 1.0 HZ. 2016 17 808 20 EFFECT OF YOGA ON ARTERIAL STIFFNESS IN ELDERLY SUBJECTS WITH INCREASED PULSE PRESSURE: A RANDOMIZED CONTROLLED STUDY. OBJECTIVE: WE AIMED TO DETERMINE THE EFFECT OF YOGA ON ARTERIAL FUNCTION IN ELDERLY WITH INCREASED PULSE PRESSURE (PP). DESIGN: RANDOMIZED CONTROLLED STUDY WITH TWO PARALLEL GROUPS. PARTICIPANTS: ELDERLY SUBJECTS WITH PP>/=60 MMHG (N=60). INTERVENTIONS: YOGA GROUP (N=30) WAS ASSIGNED FOR YOGA TRAINING AND BRISK-WALKING (BW) GROUP (N=30) FOR BRISK-WALK WITH STRETCHING EXERCISE FOR 1H IN THE MORNING FOR 6 DAYS IN A WEEK FOR 12 WEEKS. MAIN OUTCOME MEASURES: ARTERIAL STIFFNESS MEASURES: BRACHIAL-ANKLE PULSE WAVE VELOCITY (BAPWV), CAROTID-FEMORAL PULSE WAVE VELOCITY (C-F PWV), AORTIC AUGMENTATION INDEX (AIX@75), ARTERIAL STIFFNESS INDEX AT BRACHIAL (BASI) AND TIBIAL ARTERIES (AASI). TOTAL SERUM NITRIC OXIDE CONCENTRATION (NOX) AS AN INDEX OF ENDOTHELIAL FUNCTION. HEART RATE VARIABILITY (HRV) MEASURES: LOW FREQUENCY AND HIGH FREQUENCY IN NORMALIZED UNITS (LFNU, HFNU) AND LF/HF RATIO. RESULTS: THE MEAN BETWEEN-GROUP CHANGE (WITH 95% CI) IN ARTERIAL STIFFNESS: C-F PWV(M/S) [1.25(0.59-1.89); P<0.001], BAPWV(M/S) [1.96(0.76-3.16), P<0.01], AIX@75 [3.07(0.24-5.89), P=0.066], AASI [8.3(4.06-12.53), P<0.001]; ENDOTHELIAL FUNCTION INDEX: NO(MUMOL/L) [-9.03(-14.57 TO -3.47), P<0.001]; SBP(MMHG) [14.23(12.03-16.44), P<0.001], DBP(MMHG) [0.1(-1.95-2.15), P=0.38], PP(MMHG) [14.07(11.2-16.92), P<0.001], MAP(MMHG) [4.7(3.08-6.32), P<0.001]; AND CARDIAC AUTONOMIC FUNCTION: LF(NU) [4.81(1.54-8.08), P<0.01], HF(NU) [-4.13(-7.57 TO -0.69), P<0.01], LF/HF RATIO [0.84(0.3-1.37), P<0.001], INDICATE SIGNIFICANT DIFFERENCE IN EFFECTS OF TWO INTERVENTION ON ARTERIAL STIFFNESS, ENDOTHELIAL FUNCTION, BP AND CARDIAC AUTONOMIC ACTIVITY. THERE WAS SIGNIFICANT CHANGE WITHIN-YOGA GROUP IN VASCULAR FUNCTION, BP AND AUTONOMIC FUNCTION, WHILE NO SIGNIFICANT CHANGE WITHIN-BW GROUP WAS OBSERVED. CONCLUSION: OUR FINDINGS SUGGEST THAT YOGA PROGRAM OFFERED WAS MORE EFFECTIVE THAN BRISK-WALK IN REDUCING ARTERIAL STIFFNESS ALONG WITH BP IN ELDERLY INDIVIDUALS WITH INCREASED PP. YOGA CAN ALSO SIGNIFICANTLY REDUCE SYMPATHETIC ACTIVITY AND IMPROVE ENDOTHELIAL FUNCTION WITH ENHANCEMENT IN BIOAVAILABILITY OF NO. 2015 18 769 27 EFFECT OF UNILATERAL LEFT NOSTRIL BREATHING (CHANDRA ANGA PRANAYAMA) ON COGNITIVE FUNCTION IN HEALTHY YOGA-NAIVE INDIVIDUALS: A RANDOMIZED, CONTROLLED, PILOT STUDY. INTRODUCTION: BREATHING MODULATES CORTICAL NEURONAL ACTIVITY. VARIOUS BREATHING EXERCISES ARE PURPORTED TO HAVE SPECIFIC EFFECTS ON EMOTIONAL AND COGNITIVE FUNCTIONS. OBJECTIVE: TO DETERMINE THE EFFECT OF UNILATERAL LEFT NOSTRIL BREATHING (ULNB) ON NONLATERALIZED, OVERALL COGNITIVE FUNCTIONS USING COMPUTERIZED PSYCHOMETRIC TESTS. METHODS: A RANDOMIZED, CONTROLLED, PILOT STUDY WAS CONDUCTED AMONG 20 HEALTHY YOGA-NAIVE MEDICAL STUDENTS. ULNB WAS PERFORMED FOR 15 MIN BY THE TEST GROUP (N = 10) AND BREATH AWARENESS BY THE CONTROL GROUP (N = 10). ATTENTION AND PROCESSING SPEED, MEMORY, AND EXECUTIVE FUNCTION WERE ASSESSED USING THE LETTER-DIGIT SUBSTITUTION TEST, STERNBERG MEMORY TASK, AND VICTORIA STROOP TEST, RESPECTIVELY. BASELINE, PRE- AND POSTINTERVENTION SCORES WERE RECORDED. RESULTS: THERE WAS NO SIGNIFICANT DIFFERENCE BETWEEN THE GROUPS IN BASELINE SCORES. IN THE STERNBERG MEMORY TASK, A STATISTICALLY SIGNIFICANT DECREASE IN RESPONSE TIME WAS SEEN IN THE TEST (T(9) = 3.855, P = 0.004) AS WELL AS THE CONTROL GROUP (T(9) = 3.120, P = 0.012); THERE WAS NO SIGNIFICANT DIFFERENCE BETWEEN THE GROUPS. NO SIGNIFICANT EFFECT OF UNLB WAS SEEN IN THE LETTER-DIGIT SUBSTITUTION TEST AND STROOP TEST. CONCLUSIONS: OUR STUDY SHOWED NO DIFFERENCE IN THE EFFECTS OF 15-MIN PRACTICE OF ULNB AND BREATH AWARENESS ON COGNITIVE FUNCTIONS; BOTH IMPROVED MEMORY BUT NOT ATTENTION OR EXECUTIVE FUNCTION. 2020 19 1728 22 PERFORMANCE ON PSYCHOMOTOR TASKS FOLLOWING TWO YOGA-BASED RELAXATION TECHNIQUES. PREVIOUSLY CYCLIC MEDITATION AND SUPINE REST HAVE BEEN SHOWN TO IMPROVE PERFORMANCE IN A LETTER CANCELLATION TASK REQUIRING ATTENTION, VISUAL SCANNING, AND MOTOR SPEED. THE PRESENT STUDY ASSESSED THE PERFORMANCE IN 57 VOLUNTEERS (ALL MALE, M AGE = 26.5 YR., SD = 4.6) IN THREE TASKS, VIZ., A DIGIT-LETTER SUBSTITUTION TASK (DLST), A LETTER-COPYING TASK, AND A CIRCLE-DOTTING TASK. THE DLST ASSESSED ATTENTION AND SPEED OF INFORMATION PROCESSING, WHILE THE OTHER 2 TESTS ASSESSED MOTOR SPEED. EACH PARTICIPANT WAS ASSESSED BEFORE AND AFTER THREE TYPES OF SESSIONS: CYCLIC MEDITATION, SUPINE REST, AND CONTROL (NO INTERVENTION). DLST SCORES AND SCORES FOR LETTER-COPYING AND CIRCLE-DOTTING TASKS IMPROVED SIGNIFICANTLY AFTER CYCLIC MEDITATION; THE SAME SCORES ALSO IMPROVED AFTER SUPINE REST. THERE WAS NO CHANGE AFTER THE NO-INTERVENTION/CONTROL SESSION. FROM THE RESULTS IT WAS DIFFICULT TO CONCLUDE WHETHER IMPROVED DLST SCORES AFTER CYCLIC MEDITATION WERE DUE TO BETTER INFORMATION PROCESSING SPEED OR IMPROVED MOTOR SPEED. 2009 20 52 16 A COMPARATIVE STUDY OF BILVADI YOGA ASHCHYOTANA AND EYE DROPS IN VATAJA ABHISHYANDA (SIMPLE ALLERGIC CONJUNCTIVITIS). SIMPLE ALLERGIC CONJUNCTIVITIS IS THE MOST COMMON FORM OF OCULAR ALLERGY (PREVALENCE 5 - 22 %). IT IS A HYPERSENSITIVITY REACTION TO SPECIFIC AIRBORNE ANTIGENS. THE DISEASE VATAJA ABHISHYANDA, WHICH IS DUE TO VITIATION OF VATA PRADHANA TRIDOSHA IS COMPARABLE WITH THIS CONDITION. THE MANAGEMENT OF SIMPLE ALLERGIC CONJUNCTIVITIS IN MODERN OPHTHALMOLOGY IS VERY EXPENSIVE AND IT SHOULD BE FOLLOWED LIFELONG AND AYURVEDA CAN PROVIDE BETTER RELIEF IN SUCH MANIFESTATION. THIS IS THE FIRST RESEARCH STUDY ON VATAJA ABHISHYANDA. PATIENTS WERE SELECTED FROM THE OUTPATIENT DEPARTMENT (OPD), INPATIENT DEPARTMENT (IPD), OF THE SHALAKYA TANTRA DEPARTMENT AND WERE RANDOMLY DIVIDED INTO TWO GROUPS. IN GROUP-A BILVADI ASHCHYOTANA AND IN GROUP-B BILVADI EYE DROPS WERE INSTILLED FOR THREE MONTHS. TOTAL 32 PATIENTS WERE REGISTERED AND 27 PATIENTS COMPLETED THE COURSE OF TREATMENT. BILVADI ASHCHYOTANA GAVE BETTER RESULTS IN TODA, SANGHARSHA, PARUSHYA, KANDU AND RAGATA AS COMPARED WITH BILVADI EYE DROPS IN VATAJA ABHISHYANDA. 2012