1 268 181 ACUTE PHYSIOLOGIC EFFECTS OF PERFORMING YOGA IN THE HEAT ON ENERGY EXPENDITURE, RANGE OF MOTION, AND INFLAMMATORY BIOMARKERS. PERFORMING YOGA IN A HEATED ENVIRONMENT (HY) IS A POPULAR EXERCISE MODE PURPORTED TO IMPROVE RANGE OF MOTION (ROM), BODY COMPOSITION, AND AEROBIC FITNESS. THE PURPOSE OF THIS INVESTIGATION WAS TO COMPARE A SESSION OF HY TO ROOM TEMPERATURE YOGA (RTY) WITH REGARDS TO ROM, OXYGEN CONSUMPTION, CALORIC EXPENDITURE, AND BIOMARKERS OF ACUTE STRESS AND INFLAMMATION. SIXTEEN EXPERIENCED YOGA PRACTITIONERS (F14, M2; 40 +/- 11YR; 22.6 +/- 1.8 KG/M(2)) COMPLETED A 1-HOUR STANDARDIZED BIKRAM SEQUENCE IN HY (105 DEGREES F, 40 DEGREES C) AND RTY (74 DEGREES F, 23.3 DEGREES C) CONDITIONS (ORDER OF CONDITIONS RANDOMIZED, HUMIDITY STANDARDIZED AT 40%). INTRA-EXERCISE METABOLIC GAS EXCHANGE AND HEART RATE (HR) WAS MONITORED USING A METABOLIC CART. ROM MEASURES WERE TAKEN PRE AND POST-EXERCISE AT THE ELBOW, SHOULDER, HIP, AND KNEE. CYTOKINES INTERLEUKIN 6,10 (IL-6, IL-10) AND TUMOR-NECROSIS-FACTOR ALPHA (TNF-ALPHA) WERE ANALYZED FROM BLOOD SAMPLES COLLECTED PRE- AND 30-MINUTES POST-EXERCISE. INTRA-EXERCISE METABOLIC GAS EXCHANGE AND HEART RATE (HR) WAS MONITORED USING A METABOLIC CART. BOTH BOUTS ELICITED SIMILAR ACUTE CHANGES IN ROM ALTHOUGH HY ELICITED A GREATER INCREASE IN HIP ABDUCTION (RTYDELTA DEGREES = 2.3 +/- 1.3|HYDELTA DEGREES = 6.6 +/- 1.5; P < 0.05). MEAN VO2, PEAK VO2, %VO2MAX, HR, AND KCAL EXPENDITURE DID NOT DIFFER BETWEEN CONDITIONS. RER WAS LOWER DURING THE HY (RTY = 0.95 +/- 0.02| HY = 0.89 +/- 0.02; P < 0.05) WITH A CONCOMITANT ELEVATION IN FAT OXIDATION (RTY = 0.05 +/- 0.01|HY = 0.09 +/- 0.01, G.MIN(-1); P < 0.05) AND DECREASE IN CARBOHYDRATE OXIDATION (RTY = 0.51 +/- 0.04|HY = 0.44 +/- 0.03, G.MIN(-1); P < 0.05). SERUM IL-6 WAS INCREASED (15.5 +/- 8.0-FOLD) FOLLOWING HY ONLY (P < 0.05). HY DOES NOT SIGNIFICANTLY ELEVATE AEROBIC ENERGY COST COMPARED TO RTY BUT MAY ACUTELY INCREASE FAT SUBSTRATE UTILIZATION AND HIP ROM. FUTURE STUDIES REMAIN NEEDED TO ESTABLISH DOSE-RESPONSE RELATIONSHIPS FOR INCLUDING HY OR RTY INTO WELL-ROUNDED FITNESS PROGRAMS. 2020 2 1458 24 INFLUENCE OF YOGA ON BLOOD COAGULATION. YOGA IS KNOWN TO INDUCE BENEFICIAL EFFECTS ON PHYSIOLOGICAL, BIOCHEMICAL AND MENTAL FUNCTIONS IN MAN. ITS EFFECTS ON BLOOD COAGULATION ARE NOT KNOWN. A STUDY WAS CONDUCTED IN SEVEN PREVIOUSLY UNTRAINED MALE ADULTS WHO UNDERWENT A COMBINATION OF YOGIC EXERCISES, DAILY FOR ONE HOUR, OVER A PERIOD OF FOUR MONTHS. PARAMETERS OF BLOOD COAGULATION WERE ESTIMATED BEFORE AND AFTER THE END OF YOGA TRAINING. THE FOLLOWING CHANGES WERE OBSERVED: FIBRINOLYTIC ACTIVITY INCREASED SIGNIFICANTLY WITH A CONCOMITANT FALL IN FIBRINOGEN; ACTIVATED PARTIAL THROMBOPLASTIN TIME AND PLATELET AGGREGATION TIME WERE PROLONGED; BLOOD AND PLASMA PLATELETS SHOWED A RISE; AND BOTH HAEMOGLOBIN AND HEAMATOCRIT WERE RAISED AT THE END OF THE TRAINING. THESE FINDINGS SUGGEST THAT YOGA INDUCES A STATE OF BLOOD HYPOCOAGULABILITY. THE IMPACT OF YOGA ON PREVENTION OF CARDIOVASCULAR AND THROMBOTIC DISORDERS IS OBVIOUS. 1984 3 1451 33 INFLUENCE OF INTENSIVE YOGA TRAINING ON PHYSIOLOGICAL CHANGES IN 6 ADULT WOMEN: A CASE REPORT. THE SHORT-TERM EFFECTS OF 4 WEEKS OF INTENSIVE YOGA PRACTICE ON PHYSIOLOGICAL RESPONSES IN SIX HEALTHY ADULT FEMALE VOLUNTEERS WERE MEASURED USING THE MAXIMAL EXERCISE TREADMILL TEST. YOGA PRACTICE INVOLVED DAILY MORNING AND EVENING SESSIONS OF 90 MINUTES EACH. PRE- AND POST-YOGA EXERCISE PERFORMANCE WAS COMPARED. MAXIMAL WORK OUTPUT (WMAX) FOR THE GROUP INCREASED BY 21%, WITH A SIGNIFICANTLY REDUCED LEVEL OF OXYGEN CONSUMPTION PER UNIT WORK BUT WITHOUT A CONCOMITANT SIGNIFICANT CHANGE IN HEART RATE. AFTER INTENSIVE YOGA TRAINING, AT 154 WMIN(-1) (CORRESPONDING TO WMAX OF THE PRE-YOGA MAXIMAL EXERCISE TEST) PARTICIPANTS COULD EXERCISE MORE COMFORTABLY, WITH A SIGNIFICANTLY LOWER HEART RATE (P < 0.05), REDUCED MINUTE VENTILATION (P < 0.05), REDUCED OXYGEN CONSUMPTION PER UNIT WORK (P < 0.05), AND A SIGNIFICANTLY LOWER RESPIRATORY QUOTIENT (P < 0.05). THE IMPLICATIONS FOR THE EFFECT OF INTENSIVE YOGA ON CARDIORESPIRATORY EFFICIENCY ARE DISCUSSED, WITH THE SUGGESTION THAT YOGA HAS SOME TRANSPARENTLY DIFFERENT QUANTIFIABLE PHYSIOLOGICAL EFFECTS TO OTHER EXERCISES. 1997 4 2710 32 YOGA IS FOUND HAZARDOUS TO THE MENISCUS FOR CHINESE WOMEN. OBJECTIVE: YOGA IS BECOMING MORE AND MORE POPULAR IN THE FEMALE SOCIETY WHILE THE CONCOMITANT SPORTS INJURY IS SELDOM MENTIONED. MANY CLINICIANS HAVE NOTED THAT YOGA MAY RESULT IN KNEE PROBLEMS, WHICH THOUGH REQUIRES MORE RESEARCHES TO CORROBORATE. THIS INVESTIGATION WAS CONDUCTED TO ASCERTAIN THE RELATIONSHIP BETWEEN YOGA AND MENISCUS INJURY AS WELL AS THE EXTENT OF IMPAIRMENT ACCORDING TO VARIANT YOGA PRACTICE PERIODS. METHODS: TOTALLY 819 WOMEN AGED 20-49 YEARS WHO PRACTICED YOGA OR OTHER POPULAR SPORTS INCLUDING BADMINTON, JOGGING, CLIMBING HILLS, ETC FOR AT LEAST ONE HOUR PER DAY WERE SELECTED TO PARTICIPATE IN THIS RESEARCH. THESE SUBJECTS WERE REQUIRED TO COMPLETE A QUESTIONNAIRE AND RECEIVE RELEVANT PHYSICAL EXAMINATION. MAGNETIC RESONANCE (MR) SCAN OF THE KNEE WAS RECOMMENDED FOR THE SUSPICIOUS SUBJECTS FOR ULTIMATE DIAGNOSIS. THE SUBJECT WITH ABNORMAL MENISCUS MR SIGNALS WAS DEFINED AS A CASE AND MATCHED WITH TWO CONTROLS IN TERMS OF AGE AND BODY MASS INDEX (BMI). ALTOGETHER THERE WERE 273 CASES AND 546 CONTROLS. THE NESTED CASE-CONTROL MODEL WAS ADOPTED TO ASSESS THE RISK OF MENISCUS INJURY BETWEEN VARIANT EXPOSURES IN PRACTICING YOGA AND SEVERAL OTHER POPULAR SPORTS. MOREOVER, THE 181 YOGA SUBJECTS WERE SUBDIVIDED INTO THREE GROUPS ACCORDING TO DIFFERENT EXERCISE DURATIONS, FOLLOWED BY FURTHER ANALYSIS WITH THE VARIABLES OF AGE, BMI AND LYSHOLM SCORE. RESULTS: YOGA WAS FOUND ASSOCIATED WITH A HIGHER RISK (P EQUAL TO 0.008, OR EQUAL TO 1.621) OF MENISCUS INJURY COMPARED WITH BADMINTON, JOGGING AND CLIMBING HILLS. THE THREE YOGA SUBGROUPS SHOWED STATISTICAL DIFFERENCE BETWEEN EACH OTHER IN TERMS OF LYSHOLM SCORE (P EQUAL TO 0.027) AND BMI (P EQUAL TO 0.003). THE SUBJECTS WITH LONGER-TERM YOGA PRACTICE HAD LIGHTER WEIGHT BUT LOWER LYSHOLM SCORES. CONCLUSIONS: YOGA PERHAPS EXERTS DESTRUCTIVE IMPACT ON THE MENISCUS FOR CHINESE WOMEN, YET IT NEEDS FURTHER VERIFICATIONS. FURTHERMORE, THE FEMALE YOGA PLAYERS WITH LONGER EXERCISE DURATION ARE MORE SUSCEPTIBLE TO MENISCUS INJURY THOUGH THEY CAN BECOME LEANER. 2012 5 2778 21 YOGA STRETCHING FOR IMPROVING SALIVARY IMMUNE FUNCTION AND MENTAL STRESS IN MIDDLE-AGED AND OLDER ADULTS. PROTECTION AGAINST AGE-RELATED IMMUNE SUPPRESSION IS IMPORTANT IN ELDERLY INDIVIDUALS. THIS STUDY DETERMINED THE EFFECT OF YOGA ON MUCOSAL IMMUNE FUNCTION AND MENTAL STRESS. SALIVA SAMPLES WERE COLLECTED FROM 23 ADULT WOMEN (AGE: 60.4 +/- 10.4 YEARS) BEFORE AND AFTER 90 MINUTES OF YOGA STRETCHING OR REST TO MEASURE SECRETORY IMMUNOGLOBULIN A (SIGA), CORTISOL, AND TESTOSTERONE. THE SIGA CONCENTRATION AND SECRETION RATE WERE SIGNIFICANTLY HIGHER AFTER YOGA THAN BEFORE (P < .05). THE CORTISOL CONCENTRATION AND SECRETION RATE WERE LOWER AND TESTOSTERONE SECRETION RATE HIGHER AFTER YOGA (P < .05). YOGA STRETCHING CAN REDUCE STRESS AND ENHANCE MUCOSAL IMMUNE FUNCTION IN ELDERLY WOMEN. 2018 6 821 25 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 7 1641 19 MONITORING THE NEURAL ACTIVITY OF THE STATE OF MENTAL SILENCE WHILE PRACTICING SAHAJA YOGA MEDITATION. OBJECTIVE: TO IDENTIFY THE NEURAL CORRELATES OF THE STATE OF MENTAL SILENCE AS EXPERIENCED THROUGH SAHAJA YOGA MEDITATION. DESIGN: NINETEEN EXPERIENCED MEDITATORS UNDERWENT FUNCTIONAL MAGNETIC RESONANCE IMAGING DURING THREE SHORT CONSECUTIVE MEDITATION PERIODS, CONTRASTED WITH A CONTROL RELAXATION CONDITION. RESULTS: RELATIVE TO BASELINE, AT THE BEGINNING OF THE MEDITATION SESSIONS THERE WAS A SIGNIFICANT INCREASE OF ACTIVATION IN BILATERAL INFERIOR FRONTAL AND TEMPORAL REGIONS. ACTIVATION BECAME PROGRESSIVELY MORE REDUCED WITH DEEPER MEDITATION STAGES AND IN THE LAST MEDITATION SESSION IT BECAME LOCALIZED TO THE RIGHT INFERIOR FRONTAL CORTEX/ RIGHT INSULA AND RIGHT MIDDLE/SUPERIOR TEMPORAL CORTEX. FURTHERMORE, RIGHT INFERIOR FRONTAL ACTIVATION WAS DIRECTLY ASSOCIATED WITH THE SUBJECTIVE DEPTH OF THE MENTAL SILENCE EXPERIENCE. CONCLUSIONS: MEDITATORS APPEAR TO PASS THROUGH AN INITIAL INTENSE NEURAL SELF-CONTROL PROCESS NECESSARY TO SILENCE THEIR MIND. AFTER THIS THEY EXPERIENCE RELATIVELY REDUCED BRAIN ACTIVATION CONCOMITANT WITH THE DEEPENING OF THE STATE OF MENTAL SILENCE OVER RIGHT INFERIOR FRONTAL CORTEX, PROBABLY REFLECTING AN EFFORTLESS PROCESS OF ATTENTIONAL CONTEMPLATION ASSOCIATED WITH THIS STATE. 2015 8 715 29 EFFECT OF INTEGRATED YOGA ON STRESS AND HEART RATE VARIABILITY IN PREGNANT WOMEN. OBJECTIVE: TO STUDY THE EFFECT OF INTEGRATED YOGA PRACTICE AND GUIDED YOGIC RELAXATION ON BOTH PERCEIVED STRESS AND MEASURED AUTONOMIC RESPONSE IN HEALTHY PREGNANT WOMEN. METHOD: THE 122 HEALTHY WOMEN RECRUITED BETWEEN THE 18TH AND 20TH WEEK OF PREGNANCY AT PRENATAL CLINICS IN BANGALORE, INDIA, WERE RANDOMIZED TO PRACTICING YOGA AND DEEP RELAXATION OR STANDARD PRENATAL EXERCISES 1-HOUR DAILY. THE RESULTS FOR THE 45 PARTICIPANTS PER GROUP WHO COMPLETED THE STUDY WERE EVALUATED BY REPEATED MEASURES ANALYSIS OF VARIANCE. RESULTS: PERCEIVED STRESS DECREASED BY 31.57% IN THE YOGA GROUP AND INCREASED BY 6.60% IN THE CONTROL GROUP (P=0.001). DURING A GUIDED RELAXATION PERIOD IN THE YOGA GROUP, COMPARED WITH VALUES OBTAINED BEFORE A PRACTICE SESSION, THE HIGH-FREQUENCY BAND OF THE HEART RATE VARIABILITY SPECTRUM (PARASYMPATHETIC) INCREASED BY 64% IN THE 20TH WEEK AND BY 150% IN THE 36TH WEEK, AND BOTH THE LOW-FREQUENCY BAND (SYMPATHETIC), AND THE LOW-FREQUENCY TO HIGH-FREQUENCY RATIO WERE CONCOMITANTLY REDUCED (P<0.001 BETWEEN THE 2 GROUPS). MOREOVER, THE LOW-FREQUENCY BAND REMAINED DECREASED AFTER DEEP RELAXATION IN THE 36TH WEEK IN THE YOGA GROUP. CONCLUSION: YOGA REDUCES PERCEIVED STRESS AND IMPROVES ADAPTIVE AUTONOMIC RESPONSE TO STRESS IN HEALTHY PREGNANT WOMEN. 2009 9 1508 16 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 10 2120 25 THE EFFECT OF YOGA TRAINING ON ENHANCEMENT OF ADRENOCORTICOTROPIC HORMONE (ACTH) AND CORTISOL LEVELS IN FEMALE PATIENTS WITH MULTIPLE SCLEROSIS. THE EFFECT OF 8 WEEKS YOGA TRAINING ON CORTISOL AND ADRENOCORTICOTROPIC HORMONE (ACTH) LEVELS IN FEMALE PATIENTS WITH MULTIPLE SCLEROSIS (MS) IS EXAMINED. TWENTY FOUR MS FEMALE PATIENTS WITH EXPANDED DISABILITY STATUS SCALE (EDSS) 1 TO 5.5 PARTICIPATED IN THIS STUDY AS THE SUBJECT. THE PARTICIPANTS WERE DIVIDED INTO CONTROL (N = 10) OR TRAINING GROUP (N = 14) RANDOMLY. TRAINING GROUP PERFORMED 90 MIN YOGA TRAINING PER SESSION, 3 DAYS A WEEK FOR 8 WEEKS. ASSESSMENTS INCLUDE BODY COMPOSITION MEASUREMENT AND BLOOD SAMPLING 48 H BEFORE FIRST SESSION AND 48 H AFTER THE INTERVENTION. THE RESULTS DEMONSTRATED THAT ACTH INCREASED AND CORTISOL DECREASED COMPARED TO THE CONTROL GROUP (P < 0.05); IN CONCLUSION, IT SEEMS THAT YOGA TRAINING MODULATES ACTH LEVEL IN CONCOMITANT WITH REDUCTION IN CORTISOL LEVEL IN FEMALE PATIENTS WITH MS. 2017 11 966 24 EFFECTS OF A YOGA-BASED STRESS INTERVENTION PROGRAM ON THE BLOOD PRESSURE OF YOUNG POLICE OFFICERS: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: DESPITE IMPROVEMENTS IN HEALTH EDUCATION AND TREATMENT, ARTERIAL HYPERTENSION REMAINS A MAJOR HEALTH PROBLEM OF INCREASING EPIDEMIOLOGICAL IMPORTANCE. THE PURPOSE OF THIS RANDOMIZED CONTROLLED TRIAL WAS TO DETERMINE THE IMPACT OF REGULAR YOGA BREATHING EXERCISES ON BLOOD PRESSURE, WORK-RELATED STRESS, AND THE PREVALENCE OF ARTERIAL HYPERTENSION IN YOUNG POLICE ACADEMY TRAINEES WITH NO EXISTING COMORBIDITIES. DESIGN: A SINGLE-CENTER, PROSPECTIVE, RANDOMIZED CONTROLLED TRIAL. SUBJECTS: THE STUDY INCLUDED 120 HEALTHY TRAINEES AGED BETWEEN 18 AND 39 YEARS WHO PRACTICED WEEKLY YOGA EXERCISES WITH AN EMPHASIS ON BREATHING (PRANAYAMA) OVER AN OBSERVATION PERIOD OF 6 MONTHS. RESULTS: THESE REGULAR EXERCISES LOWERED THE BLOOD PRESSURE OF THE PARTICIPANTS BY 1.34 MMHG (RIGHT ARM, P = 0.007), INCREASED THEIR REGENERATIVE CAPACITY (RECOVERY EXPERIENCE QUESTIONNAIRE [REQ] SCALE +2.77, P < 0.001) AND RESILIENCE (RESILIENCE SCALE [RS] +4.6, P = 0.001), AND CONCOMITANTLY REDUCED THE LEVEL OF PERCEIVED STRESS (PERCEIVED STRESS SCALE [PSS] -0.9, P < 0.001). IN CONTRAST, BLOOD PRESSURE IN THE CONTROL GROUP HAD SLIGHTLY INCREASED OVER THE STUDY PERIOD BY 0.1 MMHG (RIGHT ARM, P < 0.001) AND 1.0 MMHG (LEFT ARM, P = 0.03), AND SUBJECTIVE SCORES HAD SIGNIFICANTLY WORSENED (REQ SCALE -3.4, P < 0.001; RS -2.29, P = 0.001; PSS +0.88, P < 0.001). CONCLUSIONS: THE RESULTS POINT TO A SIGNIFICANT CORRELATION BETWEEN BLOOD PRESSURE AND BOTH REGENERATIVE CAPACITY AND STRESS LEVEL. THUS, THE STUDY CONFIRMS THE HYPOTHESIS THAT YOGA EXERCISES REDUCE PERCEIVED STRESS AND EXERT POSITIVE EFFECTS ON BLOOD PRESSURE. CLINICAL TRIAL REGISTRATION NUMBER: DRKS00025921. 2022 12 2793 19 YOGA THERAPY FOR FIBROMYALGIA SYNDROME: A CASE REPORT. FIBROMYALGIA IS A RHEUMATOLOGIC SYNDROME LEADING TO INCREASED PAIN SENSITIVITY, SLEEP DISTURBANCE, FATIGUE, STIFFNESS, AND TENDERNESS OF JOINTS, MUSCLES, AND TENDONS DUE TO DYSREGULATION OF NEUROPHYSIOLOGICAL FUNCTIONS. IN THE PRESENT CASE REPORT, A 42-YEAR-OLD, NON-INDIAN, NONSMOKING, NONALCOHOLIC, FEMALE PRESENTED WITH COMPLAINTS OF SEVERE DIFFICULTY IN WALKING, JOINT PAINS, AND GENERALIZED LOSS OF BALANCE OF THE BODY. THE PATIENT WAS AN ESTABLISHED CASE OF FIBROMYALGIA. THE TREATMENT PLAN FOR THE PATIENT INCLUDED 9 MONTHS OF YOGA THERAPY. NO CONCOMITANT ALLOPATHIC MEDICATION WAS GIVEN DURING THIS WHOLE TREATMENT PERIOD. THE PATIENT WAS GIVEN SPECIAL YOGA POSTURES TO IMPROVE FLEXIBILITY AND MOVEMENT OF JOINTS, DAILY 1 HOUR, 6 DAYS/WEEK IN THE MORNING, AND EVENING FOR 9 MONTHS. THE MUSCLE FATIGUE, QUALITY OF LIFE AND SLEEP WAS ASSESSED AT THE BASELINE, 3(RD), 6(TH), AND 9(TH) MONTH. THE RESULT OF PRESENT CASE STUDY DEMONSTRATED REDUCTION IN MUSCLE FATIGUE AND IMPROVEMENT IN QUALITY OF LIFE AND SLEEP. 2020 13 525 24 COMPARISON OF EFFECTS OF YOGA & PHYSICAL EXERCISE IN ATHLETES. THE EFFECT OF PRANAYAMA A CONTROLLED BREATHING PRACTICE, ON EXERCISE TESTS WAS STUDIED IN ATHLETES IN TWO PHASES; SUB-MAXIMAL AND MAXIMAL EXERCISE TESTS. AT THE END OF PHASE I (ONE YEAR) BOTH THE GROUPS (CONTROL AND EXPERIMENTAL) ACHIEVED SIGNIFICANTLY HIGHER WORK RATE AND REDUCTION IN OXYGEN CONSUMPTION PER UNIT WORK. THERE WAS A SIGNIFICANT REDUCTION IN BLOOD LACTATE AND AN INCREASE IN P/L RATIO IN THE EXPERIMENTAL GROUP, AT REST. AT THE END OF PHASE II (TWO YEARS), THE OXYGEN CONSUMPTION PER UNIT WORK WAS FOUND TO BE SIGNIFICANTLY REDUCED AND THE WORK RATE SIGNIFICANTLY INCREASED IN THE EXPERIMENTAL GROUP. BLOOD LACTATE DECREASED SIGNIFICANTLY AT REST IN THE EXPERIMENTAL GROUP ONLY. PYRUVATE AND PYRUVATE-LACTATE RATIO INCREASED SIGNIFICANTLY IN BOTH THE GROUPS AFTER EXERCISE AND AT REST IN THE EXPERIMENTAL GROUP. THE RESULTS IN BOTH PHASES SHOWED THAT THE SUBJECTS WHO PRACTISED PRANAYAMA COULD ACHIEVE HIGHER WORK RATES WITH REDUCED OXYGEN CONSUMPTION PER UNIT WORK AND WITHOUT INCREASE IN BLOOD LACTATE LEVELS. THE BLOOD LACTATE LEVELS WERE SIGNIFICANTLY LOW AT REST. 1994 14 741 26 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 15 439 40 CARDIOVASCULAR, CELLULAR, AND NEURAL ADAPTATIONS TO HOT YOGA VERSUS NORMAL-TEMPERATURE YOGA. CONTEXT: CHRONIC HEAT EXPOSURE PROMOTES CARDIOVASCULAR AND CELLULAR ADAPTATIONS, IMPROVING AN ORGANISM'S ABILITY TO TOLERATE SUBSEQUENT STRESSORS. HEAT EXPOSURE MAY ALSO PROMOTE NEURAL ADAPTATIONS AND ALTER THE NEURAL-HORMONAL STRESS RESPONSE. HOT-TEMPERATURE YOGA (HY) COMBINES MIND-BODY EXERCISE WITH HEAT EXPOSURE. THE ADDED HEAT COMPONENT IN HY MAY INDUCE CARDIOVASCULAR AND CELLULAR CHANGES, ALONG WITH NEURAL BENEFITS AND MODULATION OF STRESS HORMONES. AIMS: THE PURPOSE OF THE PRESENT STUDY IS TO COMPARE THE CARDIOVASCULAR, CELLULAR HEAT SHOCK PROTEIN 70 (HSP70), NEURAL, AND HORMONAL ADAPTATIONS OF HY VERSUS NORMAL-TEMPERATURE YOGA (NY). SETTINGS AND DESIGN: TWENTY-TWO SUBJECTS (MALES = 11 AND FEMALES = 11, 26 +/- 6 YEARS) COMPLETED 4 WEEKS OF NY (N = 11) OR HY (N = 11, 41 DEGREES C, 40% HUMIDITY). YOGA SESSIONS WERE PERFORMED 3 TIMES/WEEK FOLLOWING A MODIFIED BIKRAM PROTOCOL. SUBJECTS AND METHODS: PRE- AND POSTTESTING INCLUDED (1) HEMODYNAMIC MEASURES DURING A HEAT TOLERANCE TEST AND MAXIMAL AEROBIC FITNESS TEST; (2) NEURAL AND HORMONAL ADAPTATIONS USING SERUM BRAIN-DERIVED NEUROTROPHIC FACTOR (BDNF) AND ADRENOCORTICOTROPIC HORMONE (ACTH), ALONG WITH A MENTAL STRESS QUESTIONNAIRE; AND (3) CELLULAR ADAPTATIONS (HSP70) IN PERIPHERAL BLOOD MONONUCLEAR CELLS (PBMCS). STATISTICAL ANALYSIS: WITHIN- AND BETWEEN-GROUP STUDENT'S T-TEST ANALYSES WERE CONDUCTED TO COMPARE PRE- AND POST-VO2 MAX, PERCEIVED STRESS, BDNF, HSP70, AND ACTH IN HY AND NY GROUPS. RESULTS: MAXIMAL AEROBIC FITNESS INCREASED IN THE HY GROUP ONLY. NO EVIDENCE OF HEAT ACCLIMATION OR CHANGE IN MENTAL STRESS WAS OBSERVED. SERUM BDNF SIGNIFICANTLY INCREASED IN YOGA GROUPS COMBINED. ANALYSIS OF HSP70 SUGGESTED HIGHER EXPRESSION OF HSP70 IN THE HY GROUP ONLY. CONCLUSIONS: TWELVE SESSIONS OF HY PROMOTED CARDIOVASCULAR FITNESS AND CELLULAR THERMOTOLERANCE ADAPTATIONS. SERUM BDNF INCREASED IN RESPONSE TO YOGA (NY + HY) AND APPEARED TO NOT BE TEMPERATURE DEPENDENT. 2021 16 1118 37 EFFICACY OF AN EIGHT-WEEK YOGA INTERVENTION ON SYMPTOMS OF RESTLESS LEGS SYNDROME (RLS): A PILOT STUDY. BACKGROUND: RESTLESS LEGS SYNDROME (RLS) IS A COMMON AND HIGHLY BURDENSOME SLEEP DISORDER. WHILE RELAXATION THERAPIES, INCLUDING YOGA, ARE OFTEN RECOMMENDED FOR RLS MANAGEMENT, RIGOROUS SUPPORTING RESEARCH IS SPARSE. THE GOAL OF THIS PRELIMINARY STUDY WAS TO ASSESS THE EFFECTS OF YOGA ON RLS SYMPTOMS AND RELATED OUTCOMES IN WOMEN WITH RLS. METHODS: PARTICIPANTS WERE 13 NONSMOKING WOMEN WITH MODERATE TO SEVERE RLS, WHO DID NOT HAVE DIABETES, SLEEP APNEA, OR OTHER SERIOUS CONCOMITANT CHRONIC CONDITIONS, AND WHO WERE NOT PREGNANT. THE INTERVENTION WAS A GENTLE, 8-WEEK IYENGAR YOGA PROGRAM. CORE OUTCOMES ASSESSED PRE- AND POST-TREATMENT WERE RLS SYMPTOMS AND SYMPTOM SEVERITY (INTERNATIONAL RLS SCALE [IRLS] AND RLS ORDINAL SCALE), SLEEP QUALITY (MEDICAL OUTCOMES STUDY SLEEP SCALE), MOOD (PROFILE OF MOOD STATES), AND PERCEIVED STRESS (PERCEIVED STRESS SCALE). PARTICIPANTS ALSO COMPLETED YOGA LOGS AND A BRIEF EXIT QUESTIONNAIRE REGARDING THEIR EXPERIENCE WITH THE STUDY. RESULTS: TEN (10) WOMEN, AGED 32-66 YEARS, COMPLETED THE STUDY. PARTICIPANTS ATTENDED AN AVERAGE 13.4+/-0.5 (OF 16 POSSIBLE) CLASSES, AND COMPLETED A MEAN OF 4.1+/-0.3 (OF 5 POSSIBLE) HOMEWORK SESSIONS/WEEK. AT FOLLOW-UP, PARTICIPANTS DEMONSTRATED STRIKING REDUCTIONS IN RLS SYMPTOMS AND SYMPTOM SEVERITY, WITH SYMPTOMS DECREASING TO MINIMAL/MILD IN ALL BUT 1 WOMAN AND NO PARTICIPANT SCORING IN THE SEVERE RANGE BY WEEK 8. EFFECT SIZES (COHEN'S D) WERE LARGE: 1.6 FOR IRLS TOTAL, AND 2.2 FOR RLS ORDINAL SCALE. IRLS SCORES DECLINED SIGNIFICANTLY WITH INCREASING MINUTES OF HOMEWORK PRACTICE PER SESSION (R=0.70, P=0.025) AND TOTAL HOMEWORK MINUTES (R=0.64, P<0.05), SUGGESTING A POSSIBLE DOSE-RESPONSE RELATION. PARTICIPANTS ALSO SHOWED SIGNIFICANT IMPROVEMENTS IN SLEEP, PERCEIVED STRESS, AND MOOD (ALL P'S