1 741 106 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 2 2005 24 STUDY OF PULMONARY AND AUTONOMIC FUNCTIONS OF ASTHMA PATIENTS AFTER YOGA TRAINING. "THE CONCEPT OF YOGA IS HELPFUL FOR THE TREATMENT OF BRONCHIAL ASTHMA", HAS CREATED A GREAT INTEREST IN THE MEDICAL RESEARCH FIELD. IN ORDER TO INVESTIGATE WHETHER AUTONOMIC FUNCTIONS AND PULMONARY FUNCTIONS ARE IMPROVED IN ASTHMA PATIENTS AFTER SHORT TERM YOGA TRAINING, A STUDY WAS CONDUCTED WITH NINE DIAGNOSED BRONCHIAL ASTHMA PATIENTS. YOGA TRAINING WAS GIVEN FOR SEVEN DAYS IN A CAMP IN ADHYATMA SADHNA KENDRA, NEW DELHI. THE AUTONOMIC FUNCTION TESTS TO MEASURE THE PARASYMPATHETIC REACTIVITY (DEEP BREATHING TEST, VALSALVA MANOUEVER), SYMPATHETIC REACTIVITY (HAND GRIP TEST, COLD PRESSURE TEST), AND PULMONARY FUNCTION TESTS FVC, FEV1, PEFR, PIF, BHT AND CE WERE RECORDED BEFORE AND AFTER YOGA TRAINING. THE RESTING HEART RATE AFTER YOGA TRAINING (P < 0.05) WAS SIGNIFICANTLY DECREASED (89.55 +/- 18.46/MIN TO 76.22 +/- 16.44/MIN). THE SYMPATHETIC REACTIVITY WAS REDUCED FOLLOWING YOGA TRAINING AS INDICATED BY SIGNIFICANT (P < 0.01) REDUCTION IN DBP AFTER HGT. THERE WAS NO CHANGE IN PARASYMPATHETIC REACTIVITY. THE FVC, FEV1, PEFR DID NOT SHOW ANY SIGNIFICANT CHANGE. THE PIF (P < 0.01), BHT (P < 0.01) AND CE (P < 0.01) SHOWED SIGNIFICANT IMPROVEMENT. THE RESULTS CLOSELY INDICATED THE REDUCTION IN SYMPATHETIC REACTIVITY AND IMPROVEMENT IN THE PULMONARY VENTILATION BY WAY OF RELAXATION OF VOLUNTARY INSPIRATORY AND EXPIRATORY MUSCLES. THE "COMPREHENSIVE YOGIC LIFE STYLE CHANGE PROGRAMME FOR PATIENTS OF BRONCHIAL ASTHMA" HAVE SHOWN SIGNIFICANT BENEFIT EVEN WITHIN A SHORT PERIOD. 1996 3 2905 30 [LONG-TERM EFFECTS OF BREATHING EXERCISES AND YOGA IN PATIENTS WITH BRONCHIAL ASTHMA]. TO COMPARE THE EFFECTS OF BREATHING EXERCISES (BE) OR YOGA (Y) ON THE COURSE OF BRONCHIAL ASTHMA WE STUDIED 36 SUBJECTS WITH A MILD DISEASE. THE PATIENTS WERE RANDOMLY DIVIDED INTO 3 GROUPS. 2 OF THEM PARTICIPATED IN A 3 WEEKS TRAINING PROGRAM OF BE OR Y WHILE THE THIRD GROUP RESTED WITHOUT ANY ADDITIONAL TREATMENT (CONTROL GROUP, C). AT THE END OF THE TRAINING PERIOD THE PATIENTS WERE ASKED TO PRACTISE BE OR Y ON THEIR OWN. DRUG THERAPY AND LUNG FUNCTION PARAMETERS BEFORE AND AFTER A BETA 2-AGONIST METERED DOSE INHALER (ALBUTEROL, ALB) WERE RECORDED PRIOR TO THE TRAINING PROGRAM AND IN 4 WEEKS INTERVALS FOR 4 MONTHS THEREAFTER. THE RESPONSE TO THE BETA 2-AGONIST WAS DOCUMENTED CONTINUOUSLY IN 28 PATIENTS. THE MENTAL STATE OF THE PATIENTS WAS ELUCIDATED BY QUESTIONNAIRES.--PRIOR TO THE STUDY A SIGNIFICANT EFFECT OF INHALED ALB ON THE FEV1 WAS SHOWN WITHOUT ANY SIGNIFICANT BETWEEN GROUP DIFFERENCES. BOTH, BE AND Y, CAUSED A SIGNIFICANT AMELIORATION OF THE MENTAL STATE BUT ONLY THE BE INDUCED A SIGNIFICANT IMPROVEMENT OF LUNG FUNCTION PARAMETERS COMPARED TO THE INDIVIDUAL BASELINE VALUES. THE FEV1 INCREASED SIGNIFICANTLY BY 356.3 +/- 146.2 ML (P < 0.05) AND THE VC BY 225.0 +/- 65.5 ML (P < 0.01). THESE LONG-TERM CHANGES WERE NOT SIGNIFICANTLY DIFFERENT FROM THE ACTUAL RESPONSE TO ALB. BE DECREASED THE RV SIGNIFICANTLY BY 306.3 +/- 111.6 ML (P < 0.05), AN EFFECT SIGNIFICANTLY HIGHER COMPARED TO THE BETA 2-AGONIST (P < 0.01). BE IN COMBINATION WITH ALB CAUSED AN ADDITIVE EFFECT.(ABSTRACT TRUNCATED AT 250 WORDS) 1994 4 821 20 EFFECT OF YOGA ON EXERCISE TOLERANCE IN NORMAL HEALTHY VOLUNTEERS. TWELVE NORMAL HEALTHY VOLUNTEERS (6 MALES AND 6 FEMALES) UNDERGOING YOGA TRAINING FOR 90 DAYS WERE STUDIED FOR THE EFFECT OF YOGA ON EXERCISE TOLERANCE. THEIR AGES RANGED FROM 18 TO 28 YEARS. THE VOLUNTEERS WERE TAUGHT ONLY PRANAYAMA FOR THE FIRST 20 DAYS AND LATER ON YOGIC ASANAS WERE ADDED. SUB-MAXIMAL EXERCISE TOLERANCE TEST WAS DONE ON A MOTORIZED TREADMILL BY USING BALKE'S MODIFIED PROTOCOL, INITIALLY, AFTER 20 DAYS (PHASE-I) AND AFTER 90 DAYS OF YOGA TRAINING (PHASE-II). PYRUVATE AND LACTATE IN VENOUS BLOOD AND BLOOD GASES IN CAPILLARY BLOOD WERE ESTIMATED IMMEDIATELY BEFORE AND AFTER THE EXERCISE. MINUTE VENTILATION AND OXYGEN CONSUMPTION WERE ESTIMATED BEFORE AND DURING THE TEST. POST EXERCISE BLOOD LACTATE WAS ELEVATED SIGNIFICANTLY DURING INITIAL AND PHASE-I, BUT NOT IN PHASE-II. THERE WAS SIGNIFICANT REDUCTION OF MINUTE VENTILATION AND OXYGEN CONSUMPTION ONLY IN MALES IN PHASE-I AND II AT THE TIME WHEN THE VOLUNTEERS REACHED THEIR 80% OF THE PREDICTED HEART RATE. FEMALE VOLUNTEERS WERE ABLE TO GO TO HIGHER LOADS OF EXERCISE IN PHASE-I AND II. 1986 5 2396 18 YOGA AND CHEMOREFLEX RESPONSE TO HYPOXIA AND HYPERCAPNIA. WE TESTED WHETHER CHEMOREFLEX SENSITIVITY COULD BE AFFECTED BY THE PRACTICE OF YOGA, AND WHETHER THIS IS SPECIFICALLY BECAUSE OF A SLOW BREATHING RATE OBTAINED DURING YOGA OR AS A GENERAL CONSEQUENCE OF YOGA. WE FOUND THAT SLOW BREATHING RATE PER SE SUBSTANTIALLY REDUCED CHEMOREFLEX SENSITIVITY, BUT LONG-TERM YOGA PRACTICE WAS RESPONSIBLE FOR A GENERALISED REDUCTION IN CHEMOREFLEX. 2000 6 887 19 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 1095 19 EFFECTS OF YOGA PRACTICE ON MUSCULAR ENDURANCE IN YOUNG WOMEN. THE AIM OF THIS STUDY WAS TO VERIFY THE EFFECTS OF A SYSTEMATIZED YOGA PRACTICE ON MUSCULAR ENDURANCE IN YOUNG WOMEN. TWENTY SIX WOMEN (24 +/- 3.5 YEARS OLD) PARTICIPATED IN SIX WEEKS OF YOGA CLASSES, AND TWENTY ONE WOMEN (25 +/- 5.1 YEARS OLD) PARTICIPATED AS THE CONTROL GROUP. THE YOGA INTERVENTION WAS COMPOSED OF EIGHTEEN SESSIONS, THREE TIMES PER WEEK, AT 1 H PER SESSION. THE MUSCULAR ENDURANCE OF UPPER LIMBS (PUSH-UP) AND ABDOMINAL (SIT-UP) WAS ASSESSED THROUGH THE PROTOCOL SUGGESTED BY GETTMAN (1989) [1] AND GOLDING, MYERS AND SINNING (1989) [2] TO THE MAXIMUM REPETITIONS PERFORMED IN 1 MIN. TO VERIFY THE SIGNIFICANT DIFFERENCES INTRA GROUPS AND BETWEEN GROUPS A SPANOVA WAS PERFORMED, AND THE LEVEL OF SIGNIFICANCE WAS P