1 1676 127 OBJECTIVE AND SUBJECTIVE MEASURES OF EXERCISE INTENSITY DURING THERMO-NEUTRAL AND HOT YOGA. WHILE HOT YOGA HAS GAINED ENORMOUS POPULARITY IN RECENT YEARS, OWING IN PART TO INCREASED ENVIRONMENTAL CHALLENGE ASSOCIATED WITH EXERCISE IN THE HEAT, IT IS NOT CLEAR WHETHER HOT YOGA IS MORE VIGOROUS THAN THERMO-NEUTRAL YOGA. THEREFORE, THE AIM OF THIS STUDY WAS TO DETERMINE OBJECTIVE AND SUBJECTIVE MEASURES OF EXERCISE INTENSITY DURING CONSTANT INTENSITY YOGA IN A HOT AND THERMO-NEUTRAL ENVIRONMENT. USING A RANDOMIZED, CROSSOVER DESIGN, 14 PARTICIPANTS COMPLETED 2 IDENTICAL APPROXIMATELY 20-MIN YOGA SESSIONS IN A HOT (35.3 +/- 0.8 DEGREES C; HUMIDITY: 20.5% +/- 1.4%) AND THERMO-NEUTRAL (22.1 +/- 0.2 DEGREES C; HUMIDITY: 27.8% +/- 1.6%) ENVIRONMENT. OXYGEN CONSUMPTION AND HEART RATE (HR) WERE RECORDED AS OBJECTIVE MEASURES (PERCENTAGE OF MAXIMAL OXYGEN CONSUMPTION AND PERCENTAGE OF MAXIMAL HR (%HRMAX)) AND RATING OF PERCEIVED EXERTION (RPE) WAS RECORDED AS A SUBJECTIVE MEASURE OF EXERCISE INTENSITY. THERE WAS NO DIFFERENCE IN EXERCISE INTENSITY BASED ON PERCENTAGE OF MAXIMAL OXYGEN CONSUMPTION DURING HOT VERSUS THERMO-NEUTRAL YOGA (30.9% +/- 2.3% VS. 30.5% +/- 1.8%, P = 0.68). HOWEVER, EXERCISE INTENSITY WAS SIGNIFICANTLY HIGHER DURING HOT VERSUS THERMO-NEUTRAL YOGA BASED ON %HRMAX (67.0% +/- 2.3% VS. 60.8% +/- 1.9%, P = 0.01) AND RPE (12 +/- 1 VS. 11 +/- 1, P = 0.04). ACCORDING TO ESTABLISHED EXERCISE INTENSITIES, HOT YOGA WAS CLASSIFIED AS LIGHT-INTENSITY EXERCISE BASED ON PERCENTAGE OF MAXIMAL OXYGEN CONSUMPTION BUT MODERATE-INTENSITY EXERCISE BASED ON %HRMAX AND RPE WHILE THERMO-NEUTRAL YOGA WAS CLASSIFIED AS LIGHT-INTENSITY EXERCISE BASED ON PERCENTAGE OF MAXIMAL OXYGEN UPTAKE, %HRMAX, AND RPE. DESPITE THE ADDED HEMODYNAMIC STRESS AND PERCEPTION THAT YOGA IS MORE STRENUOUS IN A HOT ENVIRONMENT, WE OBSERVED SIMILAR OXYGEN CONSUMPTION DURING HOT VERSUS THERMO-NEUTRAL YOGA, CLASSIFYING BOTH EXERCISE MODALITIES AS LIGHT-INTENSITY EXERCISE. 2018 2 2193 36 THE EFFECTS OF YOGA TRAINING AND A SINGLE BOUT OF YOGA ON DELAYED ONSET MUSCLE SORENESS IN THE LOWER EXTREMITY. THE PURPOSE OF THIS STUDY WAS TO DETERMINE THE EFFECTS OF YOGA TRAINING AND A SINGLE BOUT OF YOGA ON THE INTENSITY OF DELAYED ONSET MUSCLE SORENESS (DOMS). 24 YOGA-TRAINED (YT; N = 12) AND NON-YOGA-TRAINED (CON; N = 12), MATCHED WOMEN VOLUNTEERS WERE ADMINISTERED A DOMS-INDUCING BENCH-STEPPING EXERCISE. MUSCLE SORENESS WAS ASSESSED AT BASELINE, 24, 48, 72, 96, AND 120 HOURS AFTER BENCH-STEPPING USING A VISUAL ANALOG SCALE (VAS). GROUPS WERE ALSO COMPARED ON BODY AWARENESS (BA), FLEXIBILITY USING THE SIT-AND-REACH TEST (SR), AND PERCEIVED EXERTION (RPE). STATISTICAL SIGNIFICANCE WAS ACCEPTED AT P 2PEAK) AND MAXIMUM HR HAD BEEN ESTIMATED EARLIER AFTER A MAXIMAL TREADMILL TEST. VO2 DURING VINYASA YOGA SESSIONS WAS ESTIMATED FROM INDIVIDUAL REGRESSION EQUATIONS USING THE RELATIONSHIP OF VO2 AND HR VALUES DERIVED FROM VO2PEAK TEST, WHILE THE METABOLIC RATE (KCAL/MIN) WAS CALCULATED FROM THE RELATIONSHIP OF HR AND KCAL/MIN. TOTAL SESSION ENERGY CONSUMPTION WAS THE AVERAGE VALUE OF THE TWO YOGA SESSIONS. RESULTS: THE 2 (GENDER) X 4 (SECTIONS) MIXED ANOVA REVEALED NO SIGNIFICANT INTERACTION BETWEEN THE TWO FACTORS (P=0.101) FOR THE MEAN METABOLIC RATE (7.1+/-2.6 KCAL/MIN). MEAN METABOLIC RATE THOUGHT WAS HIGHER (P=0.015) IN MALES COMPARED TO FEMALES AT EACH SECTION. ALSO, SIGNIFICANT DIFFERENCES WERE FOUND AMONG THE FOUR VINYASA YOGA SECTIONS (P<0.001) IN THE RATE OF ENERGY EXPENDITURE, WITH HSN PRESENTING THE HIGHEST MEAN VALUES (P<0.05). CONCLUSIONS: IT SEEMS THAT SYSTEMATIC PARTICIPATION IN VINYASA YOGA MAY EFFECTIVELY IMPROVE CARDIORESPIRATORY FITNESS AND PROMOTE BODY WEIGHT LOSS, AS AN ALTERNATIVE METHOD TO TRADITIONAL AEROBIC EXERCISE. 2020 10 2240 30 THE INFLUENCE OF A YOGA EXERCISE PROGRAM FOR YOUNG ADULTS WITH INTELLECTUAL DISABILITIES. BACKGROUND: INDIVIDUALS WITH INTELLECTUAL DISABILITIES (ID) HAVE AN INCREASED RISK OF OBESITY AND ARE SIGNIFICANTLY LESS LIKELY TO ENGAGE IN PHYSICAL ACTIVITY COMPARED TO THEIR NONDISABLED PEERS. A GROWING BODY OF RESEARCH SUPPORTS THE PHYSICAL AND MENTAL HEALTH BENEFITS OF YOGA. WHILE THE BENEFITS OF YOGA HAVE BEEN STUDIED ACROSS A HOST OF POPULATIONS WITH VARYING AGES AND PHYSICAL DISABILITIES, NO STUDIES COULD BE IDENTIFIED INVESTIGATING THE BENEFITS OF YOGA FOR YOUNG ADULTS WITH ID. AIMS: THIS STUDY INVESTIGATED THE IMPACT OF PARTICIPATING IN YOGA CLASSES ON THE AMOUNT OF EXERCISE BEHAVIOR AND PERCEPTION OF PHYSICAL EXERTION WHEN COMPARED TO NON-STRUCTURED EXERCISE SESSIONS BETWEEN TWO YOUNG ADULTS WITH ID IN A POST-SECONDARY EDUCATION SETTING. MATERIALS AND METHODS: A SINGLE SUBJECT MULTIPLE BASELINE RESEARCH DESIGN WAS IMPLEMENTED ACROSS TWO YOUNG ADULTS WITH MILD ID TO DETERMINE THE EFFECTS OF A YOGA EXERCISE CLASS ON FREQUENCY OF EXERCISE BEHAVIOR AND PERCEPTION OF PHYSICAL EXERTION WHEN COMPARED TO NON-STRUCTURED EXERCISE SESSIONS. PARTIAL INTERVAL RECORDING, THE ESTON-PARFITT CURVILINEAR RATING OF PERCEIVED EXERTION SCALE, AND THE PHYSICAL ACTIVITY ENJOYMENT SCALE WERE IMPLEMENTED TO COLLECT DATA ON DEPENDENT VARIABLES AND CONSUMER SATISFACTION DURING EACH NON-STRUCTURED EXERCISE SESSION AND EACH YOGA CLASS. RESULTS: INDICATED THAT PERCENTAGE OF EXERCISE BEHAVIOR AND PERCEIVED EXERTION LEVELS DURING YOGA GROUP EXERCISE SHARPLY INCREASED WITH LARGE EFFECT SIZES WHEN COMPARED TO NON-STRUCTURED EXERCISE SESSIONS. 2012 11 1451 29 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 12 1148 31 ENERGY EXPENDITURE IN VINYASA YOGA VERSUS WALKING. BACKGROUND: WHETHER THE ENERGY COST OF VINYASA YOGA MEETS THE CRITERIA FOR MODERATE-TO-VIGOROUS PHYSICAL ACTIVITY HAS NOT BEEN ESTABLISHED. PURPOSE: TO COMPARE ENERGY EXPENDITURE DURING ACUTE BOUTS OF VINYASA YOGA AND 2 WALKING PROTOCOLS. METHODS: PARTICIPANTS (20 MALES, 18 FEMALES) PERFORMED 60-MINUTE SESSIONS OF VINYASA YOGA (YOGA), TREADMILL WALKING AT A SELF-SELECTED BRISK PACE (SELF), AND TREADMILL WALKING AT A PACE THAT MATCHED THE HEART RATE OF THE YOGA SESSION (HR-MATCH). ENERGY EXPENDITURE WAS ASSESSED VIA INDIRECT CALORIMETRY. RESULTS: ENERGY EXPENDITURE WAS SIGNIFICANTLY LOWER IN YOGA COMPARED WITH HR-MATCH (DIFFERENCE = 79.5 +/- 44.3 KCAL; P < .001) AND SELF (DIFFERENCE = 51.7 +/- 62.6 KCAL; P < .001), BUT NOT IN SELF COMPARED WITH HR-MATCH (DIFFERENCE = 27.8 +/- 72.6 KCAL; P = .054). A SIMILAR PATTERN WAS OBSERVED FOR METABOLIC EQUIVALENTS (HR-MATCH = 4.7 +/- 0.8, SELF = 4.4 +/- 0.7, YOGA = 3.6 +/- 0.6; P < .001). ANALYSES USING ONLY THE INITIAL 45 MINUTES FROM EACH OF THE SESSIONS, WHICH EXCLUDED THE RESTORATIVE COMPONENT OF YOGA, SHOWED ENERGY EXPENDITURE WAS SIGNIFICANTLY LOWER IN YOGA COMPARED WITH HR-MATCH (DIFFERENCE = 68.0 +/- 40.1 KCAL; P < .001) BUT NOT COMPARED WITH SELF (DIFFERENCE = 15.1 +/- 48.7 KCAL; P = .189). CONCLUSIONS: YOGA MEETS THE CRITERIA FOR MODERATE-INTENSITY PHYSICAL ACTIVITY. THUS, YOGA MAY BE A VIABLE FORM OF PHYSICAL ACTIVITY TO ACHIEVE PUBLIC HEALTH GUIDELINES AND TO ELICIT HEALTH BENEFITS. 2017 13 2258 43 THE PHYSIOLOGICAL RESPONSES TO BIKRAM YOGA IN NOVICE AND EXPERIENCED PRACTITIONERS. CONTEXT: BIKRAM YOGA HAS GAINED A LARGE FOLLOWING, POSSIBLY BECAUSE OF WIDESPREAD CLAIMS BOASTING ENERGY EXPENDITURE OF UP TO 1000 CALORIES PER SESSION. HOWEVER, THESE CLAIMS ARE UNFOUNDED BECAUSE NO SCIENTIFIC STUDY HAS INVESTIGATED THE METABOLIC RESPONSE TO A COMPLETE, STANDARDIZED BIKRAM YOGA CLASS. OBJECTIVES: THIS STUDY INTENDS TO DETERMINE ENERGY EXPENDITURE, HEART RATE, AND SWEAT RATE IN NOVICE AND EXPERIENCED PRACTITIONERS FROM A STANDARDIZED BIKRAM YOGA CLASS. SETTING: DATA WERE COLLECTED IN THE ENVIRONMENTAL CHAMBER OF THE EXERCISE PHYSIOLOGY LABORATORY AT SAN DIEGO STATE UNIVERSITY IN CALIFORNIA, USA. PARTICIPANTS: MALE (N = 5) AND FEMALE (N = 19) PARTICIPANTS BETWEEN THE AGES OF 18 AND 57 Y WERE RECRUITED THROUGH FLYERS IN YOGA STUDIOS THROUGHOUT SAN DIEGO. PARTICIPANTS WERE CLASSIFIED AS EXPERIENCED OR NOVICE PRACTITIONERS, HAVING COMPLETED >/=20 OR <20 SESSIONS, RESPECTIVELY. INTERVENTIONS: PARTICIPANTS WERE GUIDED THROUGH A STANDARDIZED 90-MIN YOGA CLASS PERFORMED IN A HOT ENVIRONMENT USING BIKRAM'S STANDARD BEGINNING DIALOGUE, WHILE EXPIRED GAS WAS COLLECTED AND HEART RATE WAS RECORDED. OUTCOME MEASURES: ENERGY EXPENDITURE, CALCULATED VIA OXYGEN UPTAKE, AND HEART RATE WERE DETERMINED FOR EACH POSTURE AND TRANSITION PERIOD. IN ADDITION, SWEAT RATE AND CORE TEMPERATURE WERE RECORDED FOR EACH PARTICIPANT. RESULTS: MEAN (+/-SD) RELATIVE VO2 FOR THE ENTIRE 90-MIN SESSION WAS 9.5 +/- 1.9 ML X KG-1 X MIN-1, RANGING FROM 6.0 TO 12.9 ML X KG-1 X MIN-1. MEAN ABSOLUTE ENERGY EXPENDITURE WAS 286 +/- 72 KCALS, RANGING FROM 179 TO 478 KCALS. INDEPENDENT SAMPLE T TESTS REVEALED SIGNIFICANT DIFFERENCES (P < .05) IN RELATIVE ENERGY EXPENDITURE, HEART RATE, ENDING CORE TEMPERATURE, AND SWEAT RATE BETWEEN EXPERIENCE LEVELS. MEAN RELATIVE ENERGY EXPENDITURE WAS 3.7 +/- 0.5 KCAL/KG IN NOVICE PRACTITIONERS AND 4.7 +/- 0.8 KCAL/KG IN EXPERIENCED PRACTITIONERS. PERCENTAGE OF PREDICTED MAXIMUM HEART RATE AND SWEAT RATE WERE 72.3% +/- 10.6% AND 0.6 +/- 0.2 KG/H IN NOVICE PRACTITIONERS AND 86.4% +/- 5.2% AND 1.1 +/- 0.5 KG/H IN EXPERIENCED PARTICIPANTS. ALL POSTURES WERE CLASSIFIED AS LIGHT-TO-MODERATE INTENSITY ACCORDING TO THE AMERICAN COLLEGE OF SPORTS MEDICINE (ACSM) STANDARDS. CONCLUSIONS: BIKRAM YOGA MEETS REQUIREMENTS FOR EXERCISE OF LIGHT-TO-MODERATE INTENSITY AND, THEORETICALLY, COULD BE USED FOR WEIGHT MAINTENANCE OR WEIGHT LOSS IF PRACTICED SEVERAL TIMES PER WEEK. 2014 14 1693 29 OXYGEN CONSUMPTION DURING VINIYOGA PRACTICE IN ADULTS. CONTEXT: THE PURPOSE OF THIS STUDY WAS TO MEASURE THE OXYGEN CONSUMPTION (VO2) DURING VINIYOGA YOGA MOVEMENTS (ASANAS) AND TO COMPARE VO2 WALKING AMONG ADULTS. METHODS: YOGA PRACTITIONERS (N = 10) WERE RECRUITED TO MEASURE VO2 WHILE AT REST (30 MIN), PRACTICING YOGA (16 MOVEMENTS WITH DIFFERENT VARIATIONS), AND TREADMILL WALKING AT 2 MPH (10 MIN) AND 3 MPH (10 MIN). VO2 WAS MEASURED USING A WHOLE-ROOM INDIRECT CALORIMETRY. EACH YOGA MOVEMENT WAS CATEGORIZED BY BODY ORIENTATION AS STANDING, LYING, AND SITTING. THE DIFFERENCES IN VO2 BETWEEN YOGA AND WALKING WERE EXAMINED USING PEARSON'S CORRELATIONS. DIFFERENCES IN VO2 BETWEEN POSES (STANDING, SITTING, AND LYING) WERE EXAMINED USING LINEAR REGRESSION MODELS. VO2. RESULTS: MEAN YOGA-VO2 FOR THE ENTIRE YOGA SESSION WAS 3.7 (STANDARD DEVIATION [SD] 0.43, RANGE: 4.4-8.9) ML/KG/MIN. YOGA-VO2 VARIED BY BODY ORIENTATION: STANDING = 7.5 (SD = 1.5) ML/KG/MIN, LYING = 5.3 (SD = 1.0) ML/KG/MIN, AND SITTING = 5.4 (SD = 1.1) ML/KG/MIN. AFTER ADJUSTING FOR BODY MASS, FREQUENCY OF YOGA PRACTICE, AND RESTING ENERGY EXPENDITURE, FEMALE GENDER WAS NEGATIVELY ASSOCIATED WITH MEAN YOGA VO2 FOR STANDING (B = -112.19, P < 0.05), LYING (B = -141.87, P < 0.05), AND SITTING (B = -129.96, P < 0.05). MEAN VO2 FOR WALKING 2 MPH WAS COMPARABLE WITH SITTING (R = 0.836, P < 0.05) AND LYING (R = 0.735, P < 0.05) WHEREAS WALKING AT 3 MPH WAS COMPARABLE WITH STANDING (R = 0.718, P < 0.05) AND SITTING (R = 0.760, P < 0.05). CONCLUSION: WE CONCLUDE THAT VO2 DURING YOGA PRACTICE IS COMPARABLE TO VO2 DURING SLOW TREADMILL WALKING AND MAY VARY BASED ON GENDER AND BODY ORIENTATION. 2018 15 688 28 EFFECT OF ANTENATAL EXERCISES, INCLUDING YOGA, ON THE COURSE OF LABOR, DELIVERY AND PREGNANCY: A RETROSPECTIVE STUDY. BACKGROUND: DELIVERING A CHILD IS A VERY STRESSFUL EXPERIENCE FOR WOMEN. PREGNANCY AND LABOR ENTAIL COMPLEX EVENTS THAT ARE UNIQUE TO EACH INDIVIDUAL FEMALE. THE MANAGEMENT OF LABOR PAIN IS OFTEN DONE USING ANALGESICS AND ANESTHESIA, WHICH HAVE BEEN SHOWN TO HAVE SOME SIDE EFFECTS. MORE COMPREHENSIVE DATA ARE NEEDED TO PROVIDE CLINICALLY SIGNIFICANT EVIDENCE FOR CLINICIANS TO CONFIDENTLY PRESCRIBE EXERCISES TO PATIENTS. THIS STUDY WAS DONE TO EVALUATE THE EFFECT OF ANTENATAL EXERCISES, INCLUDING YOGA, ON THE COURSE OF LABOR, DELIVERY, AND PREGNANCY OUTCOMES. METHODS: A RETROSPECTIVE STUDY WAS CONDUCTED AMONG 200 PRIMIPAROUS SUBJECTS (AGED 20-40). A QUESTIONNAIRE WAS PROVIDED TO THE SUBJECTS TO OBTAIN THEIR DEMOGRAPHIC AND OBSTETRICAL INFORMATION 6 WEEKS AFTER DELIVERY, AND THEIR HOSPITAL RECORDS WERE ALSO ASSESSED FOR FURTHER DETAILS. BASED ON THE NATURE AND DETAILS OBTAINED FOR THE ANTENATAL EXERCISES, SUBJECTS WERE DIVIDED INTO TWO GROUPS: CONTROL AND EXERCISE. OUTCOME MEASURES INCLUDED THE NEED FOR LABOR INDUCTION, SELF-PERCEIVED PAIN AND PERCEIVED EXERTION DURING LABOR, DURATION AND NATURE OF THE DELIVERY, NEWBORN INFANT WEIGHT, MATERNAL WEIGHT GAIN, HISTORY OF BACK PAIN, AND POST-PARTUM RECOVERY. THE TOTAL MATERNAL WEIGHT GAIN (IN KILOGRAMS) WAS CALCULATED FROM WEIGHT AT 6 WEEKS AFTER DELIVERY MINUS THE WEIGHT AT 12-14 WEEKS OF GESTATION. BACK PAIN DURING PREGNANCY AND SELF-PERCEIVED LABOR PAIN WERE MEASURED USING A VISUAL ANALOG SCALE (VAS). THE OVERALL PERCEIVED EXERTION DURING LABOR WAS MEASURED USING AN ADAPTED BORG SCALE FOR PERCEIVED EFFORT. RESULTS: THE SUBJECTS WHO FOLLOWED REGULAR ANTENATAL EXERCISES, INCLUDING YOGA, HAD SIGNIFICANTLY LOWER RATES OF CESAREAN SECTION, LOWER WEIGHT GAIN, HIGHER NEWBORN INFANT WEIGHT, LOWER PAIN AND OVERALL DISCOMFORT DURING LABOR, LOWER BACK PAIN THROUGHOUT PREGNANCY, AND EARLIER POST-PARTUM RECOVERY COMPARED TO THOSE WHO DID NO SPECIFIC EXERCISES OR ONLY WALKED DURING PREGNANCY. CONCLUSIONS: THIS RETROSPECTIVE STUDY SHOWED THAT REGULAR ANTENATAL EXERCISES, INCLUDING YOGA, RESULT IN BETTER OUTCOMES RELATED TO THE COURSE OF LABOR, DELIVERY, AND PREGNANCY. THESE RESULTS NOTABLY INDICATED THAT PREGNANT WOMEN SHOULD BE ACTIVE THROUGHOUT PREGNANCY AND FOLLOW A SUPERVISED EXERCISE PROGRAM THAT INCLUDES YOGA UNLESS CONTRAINDICATED. WE REQUIRE FURTHER LARGE-SCALE PROSPECTIVE STUDIES AND QUASI-EXPERIMENTAL TRIALS TO CONFIRM THE OBSERVED FINDINGS. 2020 16 71 32 A FEASIBILITY STUDY OF RESTORATIVE YOGA VERSUS VIGOROUS YOGA INTERVENTION FOR SEDENTARY BREAST AND OVARIAN CANCER SURVIVORS. YOGA HAS BEEN SHOWN TO IMPROVE CANCER SURVIVORS' QUALITY OF LIFE, YET REGULAR YOGA PRACTICE IS A CHALLENGE FOR THOSE WHO ARE SEDENTARY. WE CONDUCTED A PILOT RANDOMIZED CONTROLLED STUDY TO ASSESS FEASIBILITY AND ADHERENCE OF TWO TYPES OF YOGA INTERVENTION AMONG SEDENTARY CANCER SURVIVORS. SEDENTARY BREAST AND OVARIAN CANCER SURVIVORS WERE RANDOMIZED TO PRACTICE EITHER RESTORATIVE YOGA (MINIMAL PHYSICAL EXERTION, GROUP R) OR VIGOROUS YOGA (CONSIDERABLE PHYSICAL EXERTION, GROUP V) IN THREE 60-MINUTE SUPERVISED SESSIONS A WEEK FOR 12 WEEKS, FOLLOWED BY 12 WEEKS OF HOME PRACTICE. ACCRUAL, ADHERENCE, AND ATTENDANCE RATES WERE ASSESSED. OF THE 226 ELIGIBLE PATIENTS, 175 (77%) DECLINED TO PARTICIPATE IN THE STUDY, CITING TIME COMMITMENT AND TRAVEL AS THE MOST COMMON BARRIERS. FORTY-TWO SUBJECTS CONSENTED TO PARTICIPATE IN THE STUDY. OF THE 35 PARTICIPANTS WHO BEGAN THE INTERVENTION (20 IN GROUP R AND 15 IN GROUP V), ADHERENCE RATE (PERCENTAGE REMAINING IN THE STUDY AT WEEK 12) WAS 100% AND 87%, RESPECTIVELY. RATE OF ADEQUATE ATTENDANCE (MORE THAN 66% OF THE SCHEDULED SUPERVISED SESSIONS) WAS 85% AND 73%, RESPECTIVELY. RATE OF COMPLETION OF THE HOME PRACTICE PERIOD WAS 85% AND 77%, RESPECTIVELY. IN THIS STUDY, SEDENTARY CANCER SURVIVORS WERE ABLE TO ADHERE TO A LONG-TERM, REGULAR YOGA REGIMEN. THE RATE OF ADEQUATE ATTENDANCE WAS HIGHER FOR RESTORATIVE YOGA. FUTURE STUDIES FOR SEDENTARY PATIENTS SHOULD FOCUS ON REDUCING TIME COMMITMENT AND TRAVEL REQUIREMENTS TO IMPROVE RECRUITMENT, AND ON USING RESTORATIVE YOGA AS A MORE FEASIBLE INTERVENTION FOR THIS POPULATION. 2018 17 1691 24 OXYGEN CONSUMPTION AND RESPIRATION DURING AND AFTER TWO YOGA RELAXATION TECHNIQUES. CYCLIC MEDITATION (CM) IS A TECHNIQUE WHICH COMBINES "STIMULATING" AND "CALMING" PRACTICES, BASED ON A STATEMENT IN ANCIENT YOGA TEXTS SUGGESTING THAT SUCH A COMBINATION MAY BE ESPECIALLY HELPFUL TO REACH A STATE OF MENTAL EQUILIBRIUM. THE OXYGEN CONSUMPTION, BREATH RATE AND BREATH VOLUME OF 50 MALE VOLUNTEERS (GROUP MEAN AGE+/-SD, 27+/-6.3 YEARS) WERE ASSESSED BEFORE, DURING, AND AFTER SESSIONS OF CM AND SESSIONS OF SUPINE REST IN THE CORPSE POSTURE (SHAVASANA, SH). THE SESSIONS WERE ONE DAY APART AND THE ORDER WAS ALTERNATED. THE OXYGEN CONSUMPTION, BREATH RATE AND BREATH VOLUME INCREASED DURING THE "STIMULATING" PRACTICES OF CM, RETURNED TO THE BASELINE DURING THE "CALMING" PRACTICES, AND THE OXYGEN CONSUMPTION DECREASED BY 19.3 PERCENT BELOW BASELINE VALUES AFTER CM. DURING THE SH SESSION THE OXYGEN CONSUMPTION, BREATH RATE AND BREATH VOLUME REDUCED; HOWEVER THE DECREASE IN OXYGEN CONSUMPTION AFTER SH WAS LESS THAN AFTER CM (I.E., 4.8 PERCENT). THE RESULTS SUPPORT THE IDEA THAT A COMBINATION OF YOGA POSTURES WITH SUPINE REST (IN CM) REDUCES THE OXYGEN CONSUMPTION MORE THAN RESTING SUPINE ALONE DOES. 2006 18 630 26 DIFFERENCES IN ENERGY EXPENDITURE DURING HIGH-SPEED VERSUS STANDARD-SPEED YOGA: A RANDOMIZED SEQUENCE CROSSOVER TRIAL. OBJECTIVES: TO COMPARE ENERGY EXPENDITURE AND VOLUME OF OXYGEN CONSUMPTION AND CARBON DIOXIDE PRODUCTION DURING A HIGH-SPEED YOGA AND A STANDARD-SPEED YOGA PROGRAM. DESIGN: RANDOMIZED REPEATED MEASURES CONTROLLED TRIAL. SETTING: A LABORATORY OF NEUROMUSCULAR RESEARCH AND ACTIVE AGING. INTERVENTIONS: SUN-SALUTATION B WAS PERFORMED, FOR EIGHT MINUTES, AT A HIGH SPEED VERSUS AND A STANDARD-SPEED SEPARATELY WHILE OXYGEN CONSUMPTION WAS RECORDED. CALORIC EXPENDITURE WAS CALCULATED USING VOLUME OF OXYGEN CONSUMPTION AND CARBON DIOXIDE PRODUCTION. MAIN OUTCOME MEASURES: DIFFERENCE IN ENERGY EXPENDITURE (KCAL) OF HSY AND SSY. RESULTS: SIGNIFICANT DIFFERENCES WERE OBSERVED IN ENERGY EXPENDITURE BETWEEN YOGA SPEEDS WITH HIGH-SPEED YOGA PRODUCING SIGNIFICANTLY HIGHER ENERGY EXPENDITURE THAN STANDARD-SPEED YOGA (MD=18.55, SE=1.86, P<0.01). SIGNIFICANT DIFFERENCES WERE ALSO SEEN BETWEEN HIGH-SPEED AND STANDARD-SPEED YOGA FOR VOLUME OF OXYGEN CONSUMED AND CARBON DIOXIDE PRODUCED. CONCLUSIONS: HIGH-SPEED YOGA RESULTS IN A SIGNIFICANTLY GREATER CALORIC EXPENDITURE THAN STANDARD-SPEED YOGA. HIGH-SPEED YOGA MAY BE AN EFFECTIVE ALTERNATIVE PROGRAM FOR THOSE TARGETING CARDIOMETABOLIC MARKERS. 2016 19 404 32 BIKRAM YOGA TRAINING AND PHYSICAL FITNESS IN HEALTHY YOUNG ADULTS. THERE HAS BEEN RELATIVELY LITTLE LONGITUDINAL CONTROLLED INVESTIGATION OF THE EFFECTS OF YOGA ON GENERAL PHYSICAL FITNESS, DESPITE THE WIDESPREAD PARTICIPATION IN THIS FORM OF EXERCISE. THE PURPOSE OF THIS EXPLORATORY STUDY WAS TO EXAMINE THE EFFECT OF SHORT-TERM BIKRAM YOGA TRAINING ON GENERAL PHYSICAL FITNESS. YOUNG HEALTHY ADULTS WERE RANDOMIZED TO YOGA TRAINING (N = 10, 29 +/- 6 YEARS, 24 SESSIONS IN 8 WEEKS) OR A CONTROL GROUP (N = 11, 26 +/- 7 YEARS). EACH YOGA TRAINING SESSION CONSISTED OF 90-MINUTE STANDARDIZED SUPERVISED POSTURES PERFORMED IN A HEATED AND HUMIDIFIED STUDIO. ISOMETRIC DEADLIFT STRENGTH, HANDGRIP STRENGTH, LOWER BACK/HAMSTRING AND SHOULDER FLEXIBILITY, RESTING HEART RATE AND BLOOD PRESSURE, MAXIMAL OXYGEN CONSUMPTION (TREADMILL), AND LEAN AND FAT MASS (DUAL-ENERGY X-RAY ABSORPTIOMETRY) WERE MEASURED BEFORE AND AFTER TRAINING. YOGA SUBJECTS EXHIBITED INCREASED DEADLIFT STRENGTH, SUBSTANTIALLY INCREASED LOWER BACK/HAMSTRING FLEXIBILITY, INCREASED SHOULDER FLEXIBILITY, AND MODESTLY DECREASED BODY FAT COMPARED WITH CONTROL GROUP. THERE WERE NO CHANGES IN HANDGRIP STRENGTH, CARDIOVASCULAR MEASURES, OR MAXIMAL AEROBIC FITNESS. IN SUMMARY, THIS SHORT-TERM YOGA TRAINING PROTOCOL PRODUCED BENEFICIAL CHANGES IN MUSCULOSKELETAL FITNESS THAT WERE SPECIFIC TO THE TRAINING STIMULUS. 2013 20 1638 27 MODULATION OF CARDIOVASCULAR RESPONSE TO EXERCISE BY YOGA TRAINING. THIS STUDY REPORTS THE EFFECTS OF YOGA TRAINING ON CARDIOVASCULAR RESPONSE TO EXERCISE AND THE TIME COURSE OF RECOVERY AFTER THE EXERCISE. CARDIOVASCULAR RESPONSE TO EXERCISE WAS DETERMINED BY HARVARD STEP TEST USING A PLATFORM OF 45 CM HEIGHT. THE SUBJECTS WERE ASKED TO STEP UP AND DOWN THE PLATFORM AT A RATE OF 30/MIN FOR A TOTAL DURATION OF 5 MIN OR UNTIL FATIGUE, WHICHEVER WAS EARLIER. HEART RATE (HR) AND BLOOD PRESSURE RESPONSE TO EXERCISE WERE MEASURED IN SUPINE POSITION BEFORE EXERCISE AND AT 1, 2, 3, 4, 5, 7 AND 10 MINUTES AFTER THE EXERCISE. RATE-PRESSURE PRODUCT [RPP = (HR X SP)/100] AND DOUBLE PRODUCT (DO P = HR X MP), WHICH ARE INDICES OF WORK DONE BY THE HEART WERE ALSO CALCULATED. EXERCISE PRODUCED A SIGNIFICANT INCREASE IN HR, SYSTOLIC PRESSURE, RPP & DOP AND A SIGNIFICANT DECREASE IN DIASTOLIC PRESSURE. AFTER TWO MONTHS OF YOGA TRAINING, EXERCISE-INDUCED CHANGES IN THESE PARAMETERS WERE SIGNIFICANTLY REDUCED. IT IS CONCLUDED THAT AFTER YOGA TRAINING A GIVEN LEVEL OF EXERCISE LEADS TO A MILDER CARDIOVASCULAR RESPONSE, SUGGESTING BETTER EXERCISE TOLERANCE. 2004