1 1317 100 HEART RATE VARIABILITY CHANGES DURING HIGH FREQUENCY YOGA BREATHING AND BREATH AWARENESS. BACKGROUND: PRE AND POST COMPARISON AFTER ONE MINUTE OF HIGH FREQUENCY YOGA BREATHING (HFYB) SUGGESTED THAT THE HFYB MODIFIES THE AUTONOMIC STATUS BY INCREASING SYMPATHETIC MODULATION, BUT ITS EFFECT DURING THE PRACTICE WAS NOT ASSESSED. METHODS: THIRTY-EIGHT MALE VOLUNTEERS WITH GROUP AVERAGE AGE +/- S.D., 23.3 +/- 4.4 YEARS WERE EACH ASSESSED ON TWO SEPARATE DAYS IN TWO SESSIONS, (I) HFYB AND (II) BREATH AWARENESS. EACH SESSION WAS FOR 35 MINUTES, WITH 3 PERIODS, I.E., PRE (5 MINUTES), DURING HFYB OR BREATH AWARENESS (15 MINUTES) AND POST (5 MINUTES). RESULTS: THERE WAS A SIGNIFICANT DECREASE IN NN50, PNN50 AND THE MEAN RR INTERVAL DURING AND AFTER HFYB AND AFTER BREATH AWARENESS, COMPARED TO THE RESPECTIVE 'PRE' VALUES (P < 0.05) (REPEATED MEASURES ANOVA FOLLOWED BY POST-HOC ANALYSIS). THE LF POWER INCREASED AND HF POWER DECREASED DURING AND AFTER BREATH AWARENESS AND LF/HF RATIO INCREASED AFTER BREATH AWARENESS (P < 0.05). CONCLUSION: THE RESULTS SUGGEST THAT THERE WAS REDUCED PARASYMPATHETIC MODULATION DURING AND AFTER HFYB AND INCREASED SYMPATHETIC MODULATION WITH REDUCED PARASYMPATHETIC MODULATION DURING AND AFTER BREATH AWARENESS. 2011 2 411 53 BLOOD PRESSURE AND HEART RATE VARIABILITY DURING YOGA-BASED ALTERNATE NOSTRIL BREATHING PRACTICE AND BREATH AWARENESS. BACKGROUND: PREVIOUS RESEARCH HAS SHOWN A REDUCTION IN BLOOD PRESSURE (BP) IMMEDIATELY AFTER THE PRACTICE OF ALTERNATE NOSTRIL YOGA BREATHING (ANYB) IN NORMAL HEALTHY MALE VOLUNTEERS AND IN HYPERTENSIVE PATIENTS OF BOTH SEXES. THE BP DURING ANYB HAS NOT BEEN RECORDED. MATERIAL/METHODS: PARTICIPANTS WERE 26 MALE VOLUNTEERS (GROUP MEAN AGE +/-SD, 23.8+/-3.5 YEARS). WE ASSESSED (1) HEART RATE VARIABILITY, (2) NON-INVASIVE ARTERIAL BP, AND (3) RESPIRATION RATE, DURING (A) ANYB AND (B) BREATH AWARENESS (BAW) SESSIONS. EACH SESSION WAS 25 MINUTES. WE PERFORMED ASSESSMENTS AT 3 TIME POINTS: PRE (5 MINUTES), DURING (15 MINUTES; FOR ANYB OR BAW) AND POST (5 MINUTES). A NAIVE-TO-YOGA CONTROL GROUP (N=15 MALES, MEAN AGE +/-SD 26.1+/-4.0 YEARS) WERE ASSESSED WHILE SEATED QUIETLY FOR 25 MINUTES. RESULTS: DURING ANYB THERE WAS A SIGNIFICANT DECREASE (REPEATED MEASURES ANOVA) IN SYSTOLIC BP AND RESPIRATION RATE; WHILE RMSSD (THE SQUARE ROOT OF THE MEAN OF THE SUM OF SQUARES OF DIFFERENCES BETWEEN ADJACENT NN INTERVALS) AND NN50 (THE NUMBER OF INTERVAL DIFFERENCES OF SUCCESSIVE NORMAL TO NORMAL INTERVALS GREATER THAN 50 MS) SIGNIFICANTLY INCREASED. DURING BAW RESPIRATION RATE DECREASED. IN CONTRAST, RESPIRATION RATE INCREASED DURING THE CONTROL STATE. ANYB AND BAW WERE SIGNIFICANTLY DIFFERENT (2-FACTOR ANOVA) IN RMSSD AND RESPIRATION RATE. BAW AND CONTROL WERE DIFFERENT WITH RESPECT TO RESPIRATION RATE. CONCLUSIONS: THE RESULTS SUGGEST THAT VAGAL ACTIVITY INCREASED DURING AND AFTER ANYB, WHICH COULD HAVE CONTRIBUTED TO THE DECREASE IN BP AND CHANGES IN THE HRV. 2014 3 442 43 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 4 462 45 CHANGES IN REACTION TIME AFTER YOGA BELLOWS-TYPE BREATHING IN HEALTHY FEMALE VOLUNTEERS. BACKGROUND: PREVIOUSLY, YOGA BELLOWS-TYPE BREATHING (BHASTRIKA PRANAYAMA) REDUCED REACTION TIME (RT) OR REDUCED ANTICIPATORY RESPONSES IN MALE PARTICIPANTS OR A MIXED GROUP OF MALE AND FEMALE PARTICIPANTS. AIMS: THE PRESENT STUDY AS A CONTROL TRIAL AIMED TO ASSESS THE EFFECTS OF YOGA BELLOWS-TYPE BREATHING ON RT IN FEMALES EXCLUSIVELY. METHODS: THE SAMPLE CONSISTED OF 25 HEALTHY FEMALES, AGED BETWEEN 19 AND 32 YEARS (GROUP MEAN +/- STANDARD DEVIATION, 22.8 +/- 3.5 YEARS). ALL OF THEM HAD PRIOR MINIMUM EXPERIENCE OF YOGA INCLUDING YOGA BELLOWS-TYPE BREATHING OF 12 MONTHS. THE RT WAS ASSESSED IN EACH PARTICIPANT BEFORE AND AFTER THREE RANDOMIZED SESSIONS DIFFERED IN THE INTERVENTION GIVEN HELD ON THREE SEPARATE DAYS. THE SESSIONS WERE (I) YOGA BELLOWS-TYPE BREATHING OR BHASTRIKA PRANAYAMA(BHK), (II) BREATH AWARENESS (BAW), AND (III) SITTING QUIETLY (CTL) AS A CONTROL SESSION. THE DURATION OF THE INTERVENTION WAS 18 MIN, AND THE PARTICIPANTS WERE ASSESSED FOR RT BEFORE AND AFTER THE INTERVENTION. RESULTS: REPEATED MEASURES ANOVA, POST HOC TESTS WITH BONFERRONI ADJUSTED SHOWED THAT THE TIME TAKEN TO OBTAIN A CORRECT RESPONSE REDUCED SIGNIFICANTLY AFTER 18 MIN OF BAW (P < 0.05) AND CTL (P < 0.05). HOWEVER, NO CHANGES WERE SEEN IN THE RT AFTER BHK. CONCLUSIONS: THE RESULTS SUGGEST THAT DIFFERENT INTERVENTIONS MAY OPTIMIZE PERFORMANCE IN TASKS REQUIRING ATTENTION IN FEMALES COMPARED TO MALES. 2018 5 1610 53 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 6 463 51 CHANGES IN SHAPE AND SIZE DISCRIMINATION AND STATE ANXIETY AFTER ALTERNATE-NOSTRIL YOGA BREATHING AND BREATH AWARENESS IN ONE SESSION EACH. BACKGROUND YOGA BREATHING TECHNIQUES LIKE HIGH-FREQUENCY YOGA BREATHING (HFYB) AND BREATH AWARENESS (BAW) HAVE BEEN ASSOCIATED WITH IMPROVED PERFORMANCE IN THE SHAPE AND SIZE DISCRIMINATION TASK. A PUBMED SEARCH OF THE LITERATURE REVEALED THAT ALTERNATE-NOSTRIL BREATHING HAS BEEN SHOWN TO IMPROVE PERFORMANCE IN ATTENTION TASKS, BUT THE EFFECT ON TACTILE PERCEPTION HAS NOT BEEN STUDIED. HENCE, THE PRESENT STUDY WAS DESIGNED TO ASSESS THE IMMEDIATE EFFECTS OF ALTERNATE-NOSTRIL YOGA BREATHING (ANYB) COMPARED TO BREATH AWARENESS ON SHAPE AND SIZE DISCRIMINATION AND STATE ANXIETY. MATERIAL AND METHODS FIFTY HEALTHY MALE VOLUNTEERS AGES 20-50 YEARS (GROUP MEAN +/-S.D., 28.4+/-8.2 YEARS) WERE RECRUITED. EACH PARTICIPANT WAS ASSESSED IN 3 SESSIONS CONDUCTED ON 3 SEPARATE DAYS AT THE SAME TIME OF DAY. THE 3 SESSIONS WERE (I) ALTERNATE-NOSTRIL YOGA BREATHING (ANYB), (II) BREATH AWARENESS (BAW), AND (III) QUIET SITTING (QS), AND THE SEQUENCE OF THE SESSIONS WAS RANDOMLY ALLOCATED. THE SHAPE AND SIZE DISCRIMINATION TASK AND STATE ANXIETY WERE ASSESSED BEFORE AND AFTER ALL 3 SESSIONS. REPEATED MEASURES ANALYSIS OF VARIANCE (RM-ANOVA) FOLLOWED BY POST HOC TESTS FOR MULTIPLE COMPARISONS, WHICH WERE BONFERRONI-ADJUSTED, WERE PERFORMED TO COMPARE DATA BEFORE AND AFTER ALL 3 SESSIONS USING SPSS VERSION 18.0. RESULTS THE ERRORS SCORES IN THE SHAPE AND SIZE DISCRIMINATION TASK SHOWED A SIGNIFICANT REDUCTION AFTER THE ANYB SESSION (P<0.001). A SIGNIFICANT REDUCTION WAS FOUND IN THE LEVEL OF STATE ANXIETY AFTER BREATH AWARENESS (P<0.05) AND QUIET SITTING SESSIONS (P<0.001). CONCLUSIONS THE PRESENT RESULTS SUGGEST THAT ANYB: (I) IMPROVES PERFORMANCE IN A TASK WHICH REQUIRES PERCEPTUAL SENSITIVITY AND FOCUSED ATTENTION, BUT (II) DOES NOT REDUCE STATE ANXIETY FOLLOWING THIS TASK. 2019 7 1726 48 PERFORMANCE IN A CORSI BLOCK-TAPPING TASK FOLLOWING HIGH-FREQUENCY YOGA BREATHING OR BREATH AWARENESS. BACKGROUND: UNINOSTRIL YOGA BREATHING PRACTICES HAVE IMPROVED SPATIAL MEMORY SCORES. THERE HAS BEEN NO ASSESSMENT ON THE EFFECT OF HIGH-FREQUENCY YOGA BREATHING (HFYB) ON WORKING MEMORY AND SPATIAL MEMORY SCORES USING THE CORSI BLOCK-TAPPING TASK (CBTT). OBJECTIVES: THE PRESENT STUDY WAS PLANNED TO ASSESS THE IMMEDIATE EFFECTS OF HFYB AND BREATH AWARENESS (BAW) COMPARED TO A CONTROL SESSION ON PERFORMANCE IN A CBTT. METHODS: FIFTEEN PARTICIPANTS OF BOTH SEXES WITH AGES BETWEEN 18 AND 24 YEARS (GROUP MEAN AGE +/- STANDARD DEVIATION, 20.0 +/- 1.6 YEARS; 10 FEMALES) WERE RECRUITED FOR THE TRIAL FROM A UNIVERSITY IN NORTH INDIA. EACH PARTICIPANT WAS ASSESSED IN THREE SESSIONS CONDUCTED ON 3 SEPARATE DAYS AT THE SAME TIME OF THE DAY. THE THREE SESSIONS WERE (I) HFYB, (II) BAW, AND (III) QUIET SITTING (QS). THE DURATION OF THE INTERVENTION WAS 18 MIN. THE PARTICIPANTS WERE ASSESSED BEFORE AND AFTER ALL THE THREE SESSIONS. REPEATED-MEASURES-ANALYSES OF VARIANCE FOLLOWED BY POST HOC TESTS WITH BONFERRONI ADJUSTMENT WERE PERFORMED TO COMPARE DATA BEFORE AND AFTER ALL THE THREE SESSIONS. RESULTS: BAW RESULTED IN AN IMPROVEMENT IN BACKWARD TOTAL SCORES (P < 0.05) AND THE BACKWARD CORSI SPAN (P < 0.05; ONE TAILED). CONCLUSIONS: THE RESULTS SUGGEST THAT BAW IMPROVES PRIMARY WORKING MEMORY, SPATIAL MEMORY, AND SPATIAL ATTENTION. HFYB DID NOT CAUSE ANY CHANGE. 2019 8 1353 43 IMMEDIATE EFFECT OF SPECIFIC NOSTRIL MANIPULATING YOGA BREATHING PRACTICES ON AUTONOMIC AND RESPIRATORY VARIABLES. THE EFFECT OF RIGHT, LEFT, AND ALTERNATE NOSTRIL YOGA BREATHING (I.E., RNYB, LNYB, AND ANYB, RESPECTIVELY) WERE COMPARED WITH BREATH AWARENESS (BAW) AND NORMAL BREATHING (CTL). AUTONOMIC AND RESPIRATORY VARIABLES WERE STUDIED IN 21 MALE VOLUNTEERS WITH AGES BETWEEN 18 AND 45 YEARS AND EXPERIENCE IN THE YOGA BREATHING PRACTICES BETWEEN 3 AND 48 MONTHS. SUBJECTS WERE ASSESSED IN FIVE EXPERIMENTAL SESSIONS ON FIVE SEPARATE DAYS. THE SESSIONS WERE IN FIXED POSSIBLE SEQUENCES AND SUBJECTS WERE ASSIGNED TO A SEQUENCE RANDOMLY. EACH SESSION WAS FOR 40 MIN; 30 MIN FOR THE BREATHING PRACTICE, PRECEDED AND FOLLOWED BY 5 MIN OF QUIET SITTING. ASSESSMENTS INCLUDED HEART RATE VARIABILITY, SKIN CONDUCTANCE, FINGER PLETHYSMOGRAM AMPLITUDE, BREATH RATE, AND BLOOD PRESSURE. FOLLOWING RNYB THERE WAS A SIGNIFICANT INCREASE IN SYSTOLIC, DIASTOLIC AND MEAN PRESSURE. IN CONTRAST, THE SYSTOLIC AND DIASTOLIC PRESSURE DECREASED AFTER ANYB AND THE SYSTOLIC AND MEAN PRESSURE WERE LOWER AFTER LNYB. HENCE, UNILATERAL NOSTRIL YOGA BREATHING PRACTICES APPEAR TO INFLUENCE THE BLOOD PRESSURE IN DIFFERENT WAYS. THESE EFFECTS SUGGEST POSSIBLE THERAPEUTIC APPLICATIONS. 2008 9 884 33 EFFECT OF YOGA TRAINING ON ONE LEG STANDING AND FUNCTIONAL REACH TESTS IN OBESE INDIVIDUALS WITH POOR POSTURAL CONTROL. [PURPOSE] THE AIM OF THE PRESENT STUDY WAS TO INVESTIGATE THE EFFECT OF YOGA TRAINING ON STATIC AND DYNAMIC STANDING BALANCE IN OBESE INDIVIDUALS WITH POOR STANDING BALANCE. [SUBJECTS AND METHODS] SIXTEEN OBESE VOLUNTEERS WERE RANDOMLY ASSIGNED INTO YOGA AND CONTROL GROUPS. THE YOGA TRAINING PROGRAM WAS PERFORMED FOR 45 MINUTES PER DAY, 3 TIMES PER WEEK, FOR 4 WEEKS. STATIC AND DYNAMIC BALANCE WERE ASSESSED IN VOLUNTEERS WITH ONE LEG STANDING AND FUNCTIONAL REACH TESTS. OUTCOME MEASURES WERE TESTED BEFORE TRAINING AND AFTER A SINGLE WEEK OF TRAINING. TWO-WAY REPEATED MEASURE ANALYSIS OF VARIANCE WITH TUKEY'S HONESTLY SIGNIFICANT DIFFERENCE POST HOC STATISTICS WAS USED TO ANALYZE THE DATA. [RESULTS] OBESE INDIVIDUALS SHOWED SIGNIFICANTLY INCREASED STATIC STANDING BALANCE IN THE YOGA TRAINING GROUP, BUT THERE WAS NO SIGNIFICANT IMPROVEMENT OF STATIC OR DYNAMIC STANDING BALANCE IN THE CONTROL GROUP AFTER 4 WEEKS. IN THE YOGA GROUP, SIGNIFICANT INCREASES IN STATIC STANDING BALANCE WAS FOUND AFTER THE 2ND, 3RD, AND 4TH WEEKS. COMPARED WITH THE CONTROL GROUP, STATIC STANDING BALANCE IN THE YOGA GROUP WAS SIGNIFICANTLY DIFFERENT AFTER THE 2ND WEEK, AND DYNAMIC STANDING BALANCE WAS SIGNIFICANTLY DIFFERENT AFTER THE 4TH WEEK. [CONCLUSION] YOGA TRAINING WOULD BE BENEFICIAL FOR IMPROVING STANDING BALANCE IN OBESE INDIVIDUALS WITH POOR STANDING BALANCE. 2015 10 1350 38 IMMEDIATE CHANGES IN MUSCLE STRENGTH AND MOTOR SPEED FOLLOWING YOGA BREATHING. THE PRESENT STUDY WAS CONDUCTED TO ASSESS THE IMMEDIATE EFFECT OF HIGH-FREQUENCY YOGA BREATHING ON MUSCLE STRENGTH AND MOTOR SPEED. BILATERAL HANDGRIP STRENGTH, LEG AND BACK STRENGTH, FINGER TAPPING AND ARM TAPPING SPEED WERE ASSESSED IN FIFTY MALE PARTICIPANTS (GROUP MEAN AGE +/- SD, 26.9 +/- 6.2 YEARS) BEFORE AND AFTER (A) HIGH FREQUENCY YOGA BREATHING FOR 15 MINUTES AND (B) BREATH AWARENESS FOR THE SAME DURATION. SESSIONS (A) AND (B) WERE ON TWO DIFFERENT DAYS BUT AT THE SAME TIME OF THE DAY. THE SCHEDULE WAS ALTERNATED FOR DIFFERENT PARTICIPANTS. THERE WAS A SIGNIFICANT INCREASE (P < 0.05) IN RIGHT HAND GRIP STRENGTH AFTER HIGH FREQUENCY YOGA BREATHING. BOTH FINGER AND ARM TAPPING IMPROVED AFTER BOTH PRACTICES. THE RESULTS SUGGEST A ROLE FOR HIGH FREQUENCY YOGA BREATHING IN IMPROVING THE HAND GRIP STRENGTH AS AN IMMEDIATE EFFECT. 2014 11 298 45 ALTERNATE-NOSTRIL YOGA BREATHING REDUCED BLOOD PRESSURE WHILE INCREASING PERFORMANCE IN A VIGILANCE TEST. BACKGROUND REPORTS SUGGEST THAT VIGILANCE OR SUSTAINED ATTENTION INCREASES SYMPATHETIC ACTIVITY. A PERSISTENT INCREASE IN SYMPATHETIC ACTIVITY CAN LEAD TO AN INCREASE IN BLOOD PRESSURE. ALTERNATE-NOSTRIL YOGA BREATHING HAS BEEN SHOWN TO BE USEFUL TO (I) IMPROVE ATTENTION AND (II) DECREASE THE SYSTOLIC AND DIASTOLIC BLOOD PRESSURE. EARLIER STUDIES DID NOT REPORT SIMULTANEOUS RECORDINGS OF THE BLOOD PRESSURE AND PERFORMANCE IN VIGILANCE TESTS AFTER ALTERNATE-NOSTRIL YOGA BREATHING. WITH THIS BACKGROUND, THE PRESENT STUDY WAS PLANNED TO DETERMINE IF 15 MINUTES OF ALTERNATE NOSTRIL YOGA BREATHING COULD IMPROVE THE PERFORMANCE IN A VIGILANCE TEST WITHOUT AN INCREASE IN BLOOD PRESSURE. MATERIAL AND METHODS FIFTEEN HEALTHY MALE VOLUNTEERS PARTICIPATED IN THE STUDY (GROUP MEAN AGE +/-SD, 22.4+/-2.4 YEARS). PARTICIPANTS WERE ASSESSED ON 3 SEPARATE DAYS IN 3 DIFFERENT SESSIONS. THESE WERE (I) ALTERNATE NOSTRIL YOGA BREATHING, (II) BREATH AWARENESS, AND (III) SITTING QUIETLY AS A CONTROL. BLOOD PRESSURE AND THE DIGIT VIGILANCE TEST WERE SIMULTANEOUSLY ASSESSED BEFORE AND AFTER EACH SESSION. RESULTS SYSTOLIC BLOOD PRESSURE (P<0.01), MEAN ARTERIAL BLOOD PRESSURE (P<0.05), AND THE TIME TAKEN TO COMPLETE THE DIGIT VIGILANCE TEST (P<0.05) SIGNIFICANTLY DECREASED FOLLOWING ALTERNATE-NOSTRIL YOGA BREATHING. THE TIME TAKEN TO COMPLETE THE DIGIT VIGILANCE TEST DIFFERED SIGNIFICANTLY BETWEEN SESSIONS (P<0.05). THE TIME TAKEN TO COMPLETE THE DIGIT VIGILANCE TEST WAS ALSO SIGNIFICANTLY DECREASED AFTER SITTING QUIETLY (P<0.01). CONCLUSIONS ALTERNATE-NOSTRIL YOGA BREATHING APPEARS TO IMPROVE PERFORMANCE IN THE DIGIT VIGILANCE TEST, ALONG WITH A REDUCTION IN SYSTOLIC BLOOD PRESSURE. THIS IS SUGGESTIVE OF BETTER VIGILANCE WITHOUT SYMPATHETIC ACTIVATION. 2017 12 832 31 EFFECT OF YOGA ON MUSCULOSKELETAL DISCOMFORT AND MOTOR FUNCTIONS IN PROFESSIONAL COMPUTER USERS. THE SELF-RATED MUSCULOSKELETAL DISCOMFORT, HAND GRIP STRENGTH, TAPPING SPEED, AND LOW BACK AND HAMSTRING FLEXIBILITY (BASED ON A SIT AND REACH TASK) WERE ASSESSED IN 291 PROFESSIONAL COMPUTER USERS. THEY WERE THEN RANDOMIZED AS YOGA (YG; N=146) AND WAIT-LIST CONTROL (WL; N=145) GROUPS. FOLLOW-UP ASSESSMENTS FOR BOTH GROUPS WERE AFTER 60 DAYS DURING WHICH THE YG GROUP PRACTICED YOGA FOR 60 MINUTES DAILY, FOR 5 DAYS IN A WEEK. THE WL GROUP SPENT THE SAME TIME IN THEIR USUAL RECREATIONAL ACTIVITIES. AT THE END OF 60 DAYS, THE YG GROUP (N=62) SHOWED A SIGNIFICANT DECREASE IN THE FREQUENCY, INTENSITY AND DEGREE OF INTERFERENCE DUE TO MUSCULOSKELETAL DISCOMFORT, AN INCREASE IN BILATERAL HAND GRIP STRENGTH, THE RIGHT HAND TAPPING SPEED, AND LOW BACK AND HAMSTRING FLEXIBILITY (REPEATED MEASURES ANOVA AND POST HOC ANALYSIS WITH BONFERRONI ADJUSTMENT). IN CONTRAST, THE WL GROUP (N=56) SHOWED AN INCREASE IN MUSCULOSKELETAL DISCOMFORT AND A DECREASE IN LEFT HAND TAPPING SPEED. THE RESULTS SUGGEST THAT YOGA PRACTICE IS A USEFUL ADDITION TO THE ROUTINE OF PROFESSIONAL COMPUTER USERS. 2009 13 866 31 EFFECT OF YOGA PROGRAM ON EXECUTIVE FUNCTIONS OF ADOLESCENTS DWELLING IN AN ORPHAN HOME: A RANDOMIZED CONTROLLED STUDY. EXECUTIVE FUNCTION (EF) IS IMPORTANT FOR PHYSICAL AND MENTAL HEALTH OF CHILDREN. STUDIES HAVE SHOWN THAT CHILDREN WITH POVERTY AND EARLY LIFE STRESS HAVE REDUCED EF. THE AIM OF THE STUDY WAS TO EVALUATE THE EFFECT OF YOGA PROGRAM ON THE EF OF ORPHAN ADOLESCENTS. SEVENTY TWO APPARENTLY HEALTHY ORPHAN ADOLESCENTS RANDOMIZED AND ALLOCATED INTO TWO GROUPS AS YOGA GROUP (N = 40; 14 GIRLS, AGE = 12.69 +/- 1.35 YRS) AND WAIT LIST CONTROL (WLC) GROUP (N = 32, 13 GIRLS, AGE = 12.58 +/- 1.52 YRS). YOGA GROUP UNDERWENT THREE MONTHS OF YOGA PROGRAM IN A SCHEDULE OF 90 MIN PER DAY, FOUR DAYS PER WEEK WHEREAS THE WLC GROUP FOLLOWED THE ROUTINE ACTIVITIES. THEY WERE ASSESSED BY STROOP COLOR-WORD TASK, DIGIT SYMBOL SUBSTITUTION TEST (DSST), DIGITS SPAN TEST AND TRIAL MAKING TEST (TMT) AT THE BEGINNING AND END OF THE PROGRAM. THE REPEATED MEASURES ANOVA SHOWED SIGNIFICANT DIFFERENCE IN TIME AND GROUP INTERACTIONS (P < 0.05) FOR ALL SUBTESTS OF STROOP COLOR-WORD TASK AND DIGIT SPAN TEST AND PART-A OF TMT WHEREAS THERE WERE NO SIGNIFICANT DIFFERENCE FOUND IN DSST AND TMT (PART-B). THE POST-HOC TEST WITH BONFERRONI ADJUSTMENT ALSO SHOWED SIGNIFICANT IMPROVEMENTS (P < 0.001) WITHIN THE YOGA GROUP IN ALL TEST SCORES WHILE IN WRONG SCORE OF DSST DID NOT EXHIBIT SIGNIFICANT REDUCTION. WHEREAS THE WLC GROUP, SHOWED SIGNIFICANT IMPROVEMENT (P < 0.05) IN STROOP COLOR, COLOR-WORD SCORE, NET SCORE OF DSST, DIGIT SPAN FORWARD AND DIGIT SPAN TOTAL. THREE MONTHS YOGA PROGRAM WAS FOUND USEFUL FOR THE YOUNG ORPHAN ADOLESCENTS IN IMPROVING THEIR EXECUTIVE FUNCTIONS. 2017 14 1814 32 PROGRESSIVE INCREASE IN CRITICAL FLICKER FUSION FREQUENCY FOLLOWING YOGA TRAINING. THE CRITICAL FLICKER FUSION FREQUENCY (CFF) IS THE FREQUENCY AT WHICH A FLICKERING STIMULUS IS PERCEIVED TO BE STEADY, WITH HIGHER VALUES SUGGESTING GREATER PERCEPTUAL ACCURACY. THE CFF WAS MEASURED IN TWO AGE-MATCHED GROUPS OF HEALTHY MALE VOLUNTEERS WHOSE AGES RANGED FROM 25 TO 39 YEARS, WITH 18 SUBJECTS IN EACH GROUP. AFTER BASELINE ASSESSMENTS ONE GROUP (YOGA GROUP) RECEIVED YOGA TRAINING, WHILE THE OTHER GROUP (CONTROL GROUP) CARRIED ON WITH THEIR ROUTINE ACTIVITIES. YOGA PRACTICES INCLUDED ASANAS, PRANAYAMAS, KRIYAS, MEDITATION, DEVOTIONAL SESSIONS AND LECTURES ON THE THEORY OF YOGA. AFTER 10 DAYS NEITHER GROUP SHOWED A CHANGE IN CFF. HOWEVER, AT 20 AND AT 30 DAYS THE YOGA GROUP SHOWED SIGNIFICANT INCREASES IN CFF BY 11.1% AND 14.9%, RESPECTIVELY (TWO FACTOR ANOVA, TUKEY MULTIPLE COMPARISON TEST). THE CONTROL GROUP SHOWED NO CHANGE AT THE DAY 20 AND DAY 30 FOLLOWUP. 1997 15 1695 45 P300 FOLLOWING FOUR VOLUNTARILY REGULATED YOGA BREATHING PRACTICES AND BREATH AWARENESS. ATTENTION WAS INFLUENCED BY YOGA BREATHING IN PREVIOUSLY PUBLISHED RESEARCH. EACH YOGA BREATHING PRACTICE UNIQUELY MODIFIES SPECIFIC BREATH CHARACTERISTICS. DIFFERENCES IN THE STUDY DESIGNS, ASSESSMENT METHODS AND INTERVENTIONS RESULTED IN DIFFICULTY IN COMPARING EFFECTS BETWEEN YOGA BREATHING PRACTICES. THIS STUDY AIMED (I) TO COMPARE FOUR YOGA BREATHING PRACTICES ON ATTENTION USING AN AUDITORY ODDBALL TASK AND (II) TO DETERMINE CARDIAC AUTONOMIC ACTIVITY ASSOCIATED WITH ATTENTION USING HEART RATE VARIABILITY. P300 EVENT RELATED POTENTIAL WAS RECORDED SIMULTANEOUSLY WITH HEART RATE VARIABILITY BEFORE AND AFTER 18-MINUTE PERIODS EACH OF (I) HIGH FREQUENCY YOGA BREATHING (WITH INCREASED BREATH FREQUENCY), (II) BELLOWS YOGA BREATHING (WITH INCREASED DEPTH OF RESPIRATION), (III) ALTERNATE NOSTRIL YOGA BREATHING (WITH ALTERNATE NOSTRIL PATENCY), (IV) BUMBLEBEE YOGA BREATHING (WITH PROLONGED EXHALE), (V) BREATH AWARENESS (WITH ATTENTION TO THE BREATH) AND (VI) QUIET SEATED REST AS CONTROL IN 38 YOGA EXPERIENCED MALES (AVERAGE AGE +/- SD; 24.08 +/- 4.01 YEARS). THE SIX SESSIONS WERE ON SEPARATE, RANDOMLY ALLOCATED DAYS. THE P300 PEAK AMPLITUDE RECORDED AT PZ WAS SIGNIFICANTLY INCREASED AFTER FOUR YOGA BREATHING PRACTICES (BONFERRONI ADJUSTED POST-HOC TESTS, REPEATED MEASURES ANOVA). NO SIGNIFICANT CHANGES WERE NOTED IN HEART RATE VARIABILITY FOLLOWING YOGA BREATHING OR CONTROL SESSIONS. THESE FINDINGS SUGGEST THAT THE FOUR YOGA BREATHING PRACTICES INCREASE THE ATTENTIONAL NEURAL RESOURCES ENGAGED FOR THIS AUDITORY ODDBALL TASK, IRRESPECTIVE OF THE CHARACTERISTIC OF BREATH UNIQUELY REGULATED IN THE FOUR YOGA BREATHING PRACTICES. 2022 16 50 38 A COMPARATIVE CONTROLLED TRIAL COMPARING THE EFFECTS OF YOGA AND WALKING FOR OVERWEIGHT AND OBESE ADULTS. BACKGROUND: WALKING AND YOGA HAVE BEEN INDEPENDENTLY EVALUATED FOR WEIGHT CONTROL; HOWEVER, THERE ARE VERY FEW STUDIES COMPARING THE 2 WITH RANDOMIZATION. MATERIAL AND METHODS: THE PRESENT STUDY COMPARED THE EFFECTS OF 90 MINUTES/DAY FOR 15 DAYS OF SUPERVISED YOGA OR SUPERVISED WALKING ON: (I) RELATED BIOCHEMISTRY, (II) ANTHROPOMETRIC VARIABLES, (III) BODY COMPOSITION, (IV) POSTURAL STABILITY, AND (V) BILATERAL HAND GRIP STRENGTH IN OVERWEIGHT AND OBESE PERSONS. SIXTY-EIGHT PARTICIPANTS, OF WHOM 5 WERE OVERWEIGHT (BMI >/=25 KG/M2) AND 63 WERE OBESE (BMI >/=30 KG/M2; GROUP MEAN AGE +/-S.D., 36.4+/-11.2 YEARS; 35 FEMALES), WERE RANDOMIZED AS 2 GROUPS - (I) A YOGA GROUP AND (II) A WALKING GROUP - GIVEN THE SAME DIET. RESULTS: ALL DIFFERENCES WERE PRE-POST CHANGES WITHIN EACH GROUP. BOTH GROUPS SHOWED A SIGNIFICANT (P<0.05; REPEATED MEASURES ANOVA, POST-HOC ANALYSES) DECREASE IN: BMI, WAIST CIRCUMFERENCE, HIP CIRCUMFERENCE, LEAN MASS, BODY WATER, AND TOTAL CHOLESTEROL. THE YOGA GROUP INCREASED SERUM LEPTIN (P<0.01) AND DECREASED LDL CHOLESTEROL (P<0.05). THE WALKING GROUP DECREASED SERUM ADIPONECTIN (P<0.05) AND TRIGLYCERIDES (P<0.05). CONCLUSIONS: BOTH YOGA AND WALKING IMPROVED ANTHROPOMETRIC VARIABLES AND SERUM LIPID PROFILE IN OVERWEIGHT AND OBESE PERSONS. THE POSSIBLE IMPLICATIONS ARE DISCUSSED. 2014 17 1261 40 FINGER DEXTERITY AND VISUAL DISCRIMINATION FOLLOWING TWO YOGA BREATHING PRACTICES. BACKGROUND: PRACTICING YOGA HAS BEEN SHOWN TO IMPROVE MOTOR FUNCTIONS AND ATTENTION. THOUGH ATTENTION IS REQUIRED FOR FINE MOTOR AND DISCRIMINATION TASKS, THE EFFECT OF YOGA BREATHING TECHNIQUES ON FINE MOTOR SKILLS AND VISUAL DISCRIMINATION HAS NOT BEEN ASSESSED. AIM: TO STUDY THE EFFECT OF YOGA BREATHING TECHNIQUES ON FINGER DEXTERITY AND VISUAL DISCRIMINATION. MATERIALS AND METHODS: THE PRESENT STUDY CONSISTED OF ONE HUNDRED AND FORTY SUBJECTS WHO HAD ENROLLED FOR STRESS MANAGEMENT. THEY WERE RANDOMLY DIVIDED INTO TWO GROUPS, ONE GROUP PRACTICED HIGH FREQUENCY YOGA BREATHING WHILE THE OTHER GROUP PRACTICED BREATH AWARENESS. HIGH FREQUENCY YOGA BREATHING (KAPALABHATI, BREATH RATE 1.0 HZ) AND BREATH AWARENESS ARE TWO YOGA PRACTICES WHICH IMPROVE ATTENTION. THE IMMEDIATE EFFECT OF HIGH FREQUENCY YOGA BREATHING AND BREATH AWARENESS (I) WERE ASSESSED ON THE PERFORMANCE ON THE O'CONNOR FINGER DEXTERITY TASK AND (II) (IN) A SHAPE AND SIZE DISCRIMINATION TASK. RESULTS: THERE WAS A SIGNIFICANT IMPROVEMENT IN THE FINGER DEXTERITY TASK BY 19% AFTER KAPALABHATI AND 9% AFTER BREATH AWARENESS (P<0.001 IN BOTH CASES, REPEATED MEASURES ANOVA AND POST-HOC ANALYSES). THERE WAS A SIGNIFICANT REDUCTION (P<0.001) IN ERROR (41% AFTER KAPALABHATI AND 21% AFTER BREATH AWARENESS) AS WELL AS TIME TAKEN TO COMPLETE THE SHAPE AND SIZE DISCRIMINATION TEST (15% AFTER KAPALABHATI AND 15% AFTER BREATH AWARENESS; P<0.001) WAS ALSO OBSERVED. CONCLUSION: BOTH KAPALABAHATI AND BREATH AWARENESS CAN IMPROVE FINE MOTOR SKILLS AND VISUAL DISCRIMINATION, WITH A GREATER MAGNITUDE OF CHANGE AFTER KAPALABHATI. 2012 18 1578 46 MEASUREMENT OF THE EFFECT OF ISHA YOGA ON CARDIAC AUTONOMIC NERVOUS SYSTEM USING SHORT-TERM HEART RATE VARIABILITY. BACKGROUND: BENEFICIAL EFFECTS OF YOGA HAVE BEEN POSTULATED TO BE DUE TO MODULATION OF THE AUTONOMIC NERVOUS SYSTEM. OBJECTIVE: TO ASSESS THE EFFECT OF ISHA YOGA PRACTICES ON CARDIOVASCULAR AUTONOMIC NERVOUS SYSTEM THROUGH SHORT-TERM HEART RATE VARIABILITY (HRV). DESIGN OF THE STUDY: SHORT-TERM HRV OF LONG-TERM REGULAR HEALTHY 14 (12 MALES AND 2 FEMALES) ISHA YOGA PRACTITIONERS WAS COMPARED WITH THAT OF AGE- AND GENDER-MATCHED 14 (12 MALES AND 2 FEMALES) NON-YOGA PRACTITIONERS. METHODS AND MATERIALS: ECG LEAD II AND RESPIRATORY MOVEMENTS WERE RECORDED IN BOTH GROUPS USING POLYRITE DURING SUPINE REST FOR 5 MIN AND CONTROLLED DEEP BREATHING FOR 1 MINUTE. FREQUENCY DOMAIN ANALYSIS [RR INTERVAL IS THE MEAN OF DISTANCE BETWEEN SUBSEQUENT R WAVE PEAKS IN ECG], LOW FREQUENCY (LF) POWER, HIGH FREQUENCY (HF) POWER, LF NORMALIZED UNITS (NU), HF NU, LF/HF RATIO] AND TIME DOMAIN ANALYSIS [STANDARD DEVIATION OF NORMAL TO NORMAL INTERVAL (SDNN), SQUARE OF MEAN SQUARED DIFFERENCE OF SUCCESSIVE NORMAL TO NORMAL INTERVALS (RMSSD), NORMAL TO NORMAL INTERVALS WHICH ARE DIFFERING BY 50 MS (NN50), AND PERCENTAGE OF NN50 (PNN50)] OF HRV VARIABLES WERE ANALYZED FOR SUPINE REST. TIME DOMAIN ANALYSIS WAS RECORDED FOR DEEP BREATHING. RESULTS: RESULTS SHOWED STATISTICALLY SIGNIFICANT DIFFERENCES BETWEEN ISHA YOGA PRACTITIONERS AND CONTROLS IN BOTH FREQUENCY AND TIME DOMAIN ANALYSES OF HRV INDICES, WITH NO DIFFERENCE IN RESTING HEART RATE BETWEEN THE GROUPS. CONCLUSIONS: PRACTITIONERS OF ISHA YOGA SHOWED WELL-BALANCED BENEFICIAL ACTIVITY OF VAGAL EFFERENTS, AN OVERALL INCREASED HRV, AND SYMPATHOVAGAL BALANCE, COMPARED TO NON-YOGA PRACTITIONERS DURING SUPINE REST AND DEEP BREATHING. 2012 19 2510 29 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 20 858 46 EFFECT OF YOGA OR PHYSICAL EXERCISE ON PHYSICAL, COGNITIVE AND EMOTIONAL MEASURES IN CHILDREN: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: PREVIOUS STUDIES HAVE SEPARATELY REPORTED THE EFFECTS OF PHYSICAL EXERCISE AND YOGA IN CHILDREN, SHOWING PHYSICAL, COGNITIVE AND EMOTIONAL BENEFITS. OBJECTIVES: THE PRESENT RANDOMIZED CONTROLLED TRIAL ASSESSED THE EFFECTS OF YOGA OR PHYSICAL EXERCISE ON PHYSICAL FITNESS, COGNITIVE PERFORMANCE, SELF-ESTEEM, AND TEACHER-RATED BEHAVIOR AND PERFORMANCE, IN SCHOOL CHILDREN. METHODS: 98 SCHOOL CHILDREN BETWEEN 8 TO 13 YEARS WERE RANDOMIZED AS YOGA AND PHYSICAL EXERCISE GROUPS {N = 49 EACH; (YOGA: 15 GIRLS, GROUP MEAN AGE 10.4 +/- 1.2 YEARS), (PHYSICAL EXERCISE: 23 GIRLS, GROUP MEAN AGE 10.5 +/- 1.3 YEARS)}. BOTH GROUPS WERE BLIND ASSESSED AFTER ALLOCATION, USING: (I) THE EUROFIT PHYSICAL FITNESS TEST BATTERY, (II) STROOP COLOR-WORD TASK FOR CHILDREN, (III) BATTLE'S SELF-ESTEEM INVENTORY AND (IV) THE TEACHERS' RATING OF THE CHILDREN'S OBEDIENCE, ACADEMIC PERFORMANCE, ATTENTION, PUNCTUALITY, AND BEHAVIOR WITH FRIENDS AND TEACHERS. AFTER ASSESSMENTS THE YOGA GROUP PRACTICED YOGA (BREATHING TECHNIQUES, POSTURES, GUIDED RELAXATION AND CHANTING), 45 MINUTES EACH DAY, 5 DAYS A WEEK. DURING THIS TIME THE PHYSICAL EXERCISE GROUP HAD JOGGING-IN-PLACE, RAPID REPETITIVE MOVEMENTS AND RELAY RACES OR GAMES. BOTH GROUPS WERE ASSESSED AT THE END OF 3 MONTHS. DATA WERE ANALYZED WITH RM ANOVA AND POST-HOC TESTS WERE BONFERRONI ADJUSTED. RESULTS: THERE WAS ONE SIGNIFICANT DIFFERENCE BETWEEN GROUPS. THIS WAS IN SOCIAL SELF-ESTEEM WHICH WAS HIGHER AFTER PHYSICAL EXERCISE COMPARED TO YOGA (P < 0.05). ALL THE CHANGES REPORTED BELOW ARE BASED ON AFTER-BEFORE COMPARISONS, WITHIN EACH GROUP. BOTH GROUPS SHOWED AN INCREASE IN BMI, AND NUMBER OF SIT-UPS (P < 0.001). BALANCE WORSENED IN THE PHYSICAL EXERCISE GROUP, WHILE PLATE TAPPING IMPROVED IN THE YOGA GROUP (P < 0.001). IN THE STROOP TASK BOTH GROUPS SHOWED IMPROVED COLOR, WORD- AND COLOR-WORD NAMING (P < 0.01), WHILE THE PHYSICAL EXERCISE GROUP SHOWED HIGHER INTERFERENCE SCORES. TOTAL, GENERAL AND PARENTAL SELF-ESTEEM IMPROVED IN THE YOGA GROUP (P < 0.05). CONCLUSION: YOGA AND PHYSICAL EXERCISE ARE USEFUL ADDITIONS TO THE SCHOOL ROUTINE, WITH PHYSICAL EXERCISE IMPROVING SOCIAL SELF-ESTEEM. TRIAL REGISTRATION: THE STUDY WAS REGISTERED IN THE CLINICAL TRIALS REGISTRY OF INDIA (CTRI/2012/11/003112). 2013