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 1615 16 MIND-BODY PRACTICES AND THE SELF: YOGA AND MEDITATION DO NOT QUIET THE EGO BUT INSTEAD BOOST SELF-ENHANCEMENT. MIND-BODY PRACTICES ENJOY IMMENSE PUBLIC AND SCIENTIFIC INTEREST. YOGA AND MEDITATION ARE HIGHLY POPULAR. PURPORTEDLY, THEY FOSTER WELL-BEING BY CURTAILING SELF-ENHANCEMENT BIAS. HOWEVER, THIS "EGO-QUIETING" EFFECT CONTRADICTS AN APPARENT PSYCHOLOGICAL UNIVERSAL, THE SELF-CENTRALITY PRINCIPLE. ACCORDING TO THIS PRINCIPLE, PRACTICING ANY SKILL RENDERS THAT SKILL SELF-CENTRAL, AND SELF-CENTRALITY BREEDS SELF-ENHANCEMENT BIAS. WE EXAMINED THOSE OPPOSING PREDICTIONS IN THE FIRST TESTS OF MIND-BODY PRACTICES' SELF-ENHANCEMENT EFFECTS. IN EXPERIMENT 1, WE FOLLOWED 93 YOGA STUDENTS OVER 15 WEEKS, ASSESSING SELF-CENTRALITY AND SELF-ENHANCEMENT BIAS AFTER YOGA PRACTICE (YOGA CONDITION, N = 246) AND WITHOUT PRACTICE (CONTROL CONDITION, N = 231). IN EXPERIMENT 2, WE FOLLOWED 162 MEDITATORS OVER 4 WEEKS (MEDITATION CONDITION: N = 246; CONTROL CONDITION: N = 245). SELF-ENHANCEMENT BIAS WAS HIGHER IN THE YOGA (EXPERIMENT 1) AND MEDITATION (EXPERIMENT 2) CONDITIONS, AND THOSE EFFECTS WERE MEDIATED BY GREATER SELF-CENTRALITY. ADDITIONALLY, GREATER SELF-ENHANCEMENT BIAS MEDIATED MIND-BODY PRACTICES' WELL-BEING BENEFITS. EVIDENTLY, NEITHER YOGA NOR MEDITATION FULLY QUIET THE EGO; TO THE CONTRARY, THEY BOOST SELF-ENHANCEMENT. 2018 3 1804 26 PREVALENCE OF ORTHOREXIA NERVOSA AMONG ASHTANGA YOGA PRACTITIONERS: A PILOT STUDY. PURPOSE: ORTHOREXIA NERVOSA (ON, I.E., FIXATION ON RIGHTEOUS EATING) IS A POORLY DEFINED DISORDERED EATING BEHAVIOR THAT RESULTS FROM A PATHOLOGICAL OBSESSION WITH FOOD, ITS PURPORTED NUTRITIONAL VALUE, COMPOSITION, ORIGIN, ETC. METHODS: WE INVESTIGATED THE PREVALENCE OF ON IN A LOCAL ASHTANGA YOGA COMMUNITY, BY USING A VALIDATED QUESTIONNAIRE (ORTO-15) THAT SETS A THRESHOLD OF ON DIAGNOSIS AT