1 58 122 A COMPARISON OF EMG OUTPUT OF FOUR LOWER EXTREMITY MUSCLES DURING SELECTED YOGA POSTURES. THE PURPOSE OF THIS STUDY WAS TO USE SURFACE ELECTROMYOGRAPHY (EMG) ANALYSIS TO EXAMINE THE MUSCLE ACTIVATION OF THE ANTERIOR TIBIALIS (TA), GASTROCNEMIUS (GA), RECTUS FEMORIS (RF) AND BICEPS FEMORIS (BF) MUSCLES DURING SEVERAL YOGA POSES: TREE POSE (VRKSASHANA), HALF MOON POSE (ARDHA CHANDRASANA) AND WARRIOR III (VIRABADRASANA) WHEN COMPARED TO A REST POSE (MOUNTAIN POSE). TEN HEALTHY FEMALES WITH MORE THAN 3 MONTHS OF CONTINUOUS YOGA EXPERIENCE WHO PRACTICED AT LEAST 1.5H PER WEEK WERE RECRUITED. EMG ACTIVITY WAS RECORDED FROM THE AFOREMENTIONED MUSCLES DURING MOUNTAIN POSE ("REST") FOR 30S, THREE TIMES. SUBJECTS THEN PERFORMED THE FOLLOWING YOGA POSES IN A RANDOMIZED SEQUENCE WHILE SURFACE EMG ACTIVITY WAS RECORDED: TREE POSE, HALF-MOON, AND WARRIOR III. EACH POSE WAS HELD FOR 20S TO 30S AND PERFORMED THREE TIMES. EMG DATA WERE BAND PASS FILTERED AND THE ROOT MEAN SQUARE (RMS) WAS OBTAINED. THE PEAK RMS OF EACH OF THE RESTING TRIALS WAS OBTAINED AND AVERAGED TO PRODUCE AN AVERAGE PEAK RESTING RMS VALUE. THE STUDY REVEALED SIGNIFICANTLY GREATER EMG ACTIVITY IN TA AND GA IN ALL THREE POSES WHEN COMPARED TO BF AND RF. BF PRODUCED GREATER EMG ACTIVITY THAN RF IN WARRIOR III. IN CONCLUSION, SINGLE LIMB YOGA POSES REQUIRE INCREASED USE OF THE ANKLE MUSCULATURE WHEN COMPARED TO THIGH MUSCULATURE. 2019 2 1776 27 PRACTICE OR PERFORMANCE? A CONTENT ANALYSIS OF YOGA-RELATED VIDEOS ON INSTAGRAM. REPRESENTATIONS OF YOGA WITHIN MEDIA HAVE BECOME INCREASINGLY IDEALISED, DEPICTING TYPICAL PRACTITIONERS AS YOUNG, THIN, AND PHYSICALLY COMPETENT. WHILE PREVIOUS CONTENT ANALYSES OF YOGA HAVE FOCUSED ON STILL IMAGES, SOCIAL MEDIA PLATFORMS SUCH AS INSTAGRAM ENCOURAGE THE USE OF VIDEO TO ENHANCE VIEWER ENGAGEMENT. VIDEO MAY CONTAIN FEATURES WHICH REFLECT A MORE NUANCED VIEW OF THE BODY, AND THEREFORE THE CURRENT STUDY ANALYSED 400 WOMEN IN YOGA-RELATED VIDEOS ON INSTAGRAM FOR APPEARANCE CHARACTERISTICS, BODY CONCEPTUALISATION, YOGA POSE TYPE, RISK, AND PERCEIVED INTENTION. THE VAST MAJORITY OF WOMEN WERE PERCEIVED TO BE IN THEIR 20S AND THIN OR ATHLETIC. ONLY 13.2 % OF WOMEN SHOWED AVERAGE VISIBLE LEVELS OF BODY FAT, WHILE MORE THAN A THIRD DISPLAYED VISIBLE MUSCULARITY ACROSS MULTIPLE MUSCLE GROUPS. THERE WAS LITTLE PRESENCE OF OBJECTIFICATION WITH THE MAJORITY OF WOMEN IN ACTIVE POSES, THOUGH MORE THAN 60 % OF POSES/SEQUENCES WERE ADVANCED AND POTENTIALLY RISKY. THE VAST MAJORITY OF VIDEOS APPEARED TO BE FOR THE PURPOSE OF DEMONSTRATING SKILL RATHER THAN INSTRUCTING THE VIEWER. THE FINDINGS SHOW THAT VIDEOS ON INSTAGRAM PERPETUATE UNREALISTIC APPEARANCE IDEALS IN YOGA AND ALSO PROVIDE A PLATFORM FOR CONTENT CREATORS TO ENGAGE VIEWERS BY REPRESENTING YOGA AS A HIGHLY PERFORMATIVE, PREDOMINANTLY ADVANCED PHYSICAL ACTIVITY. 2021 3 1513 25 IS THIS WHAT A FEMALE YOGI LOOKS LIKE? A CONTENT ANALYSIS OF YOGA IMAGES ON INSTAGRAM. AS YOGA CONTINUES TO INCREASE IN GLOBAL POPULARITY, IDEALIZED REPRESENTATIONS OF A THIN, ATHLETIC 'YOGA BODY' HAVE ALSO BECOME MORE PROMINENT ACROSS COMMERCIAL MEDIA. TO EXAMINE HOW YOGA IS TYPICALLY REPRESENTED ON SOCIAL MEDIA, A CONTENT ANALYSIS OF THE POSTS OF FEMALE YOGA PRACTITIONERS ON INSTAGRAM WAS UNDERTAKEN. IMAGES WERE SOURCED USING HASHTAGS #YOGA, #YOGABODY, #YOGAPRACTICE, AND #YOGAWOMAN, AND 200 FEMALES PER HASHTAG WERE THEN CODED ON DEMOGRAPHIC FACTORS, BODY SHAPE, ACTIVITY, OBJECTIFICATION, AND PRACTICE OF YOGA. RESULTS SHOWED THAT OVER 90 % OF WOMEN IN THE IMAGES WERE CODED AS BEING UNDER 40 YEARS OF AGE WITH THE VAST MAJORITY IN THEIR 20 S. ALMOST THREE-QUARTERS OF WOMEN WERE PERCEIVED TO BE WHITE, 100 % APPEARED ABLE BODIED. MORE THAN 80 % WERE CLASSED AS THIN AND/OR ATHLETIC, WHILE LESS THAN 15 % DISPLAYED AVERAGE LEVELS OF VISIBLE BODY FAT. MORE THAN 50 % OF YOGA POSES WERE ADVANCED WHILE A QUARTER DISPLAYED POTENTIALLY UNSAFE ALIGNMENT. THE FINDINGS DEMONSTRATE THAT THE TYPICAL 'YOGA BODY' ON INSTAGRAM WAS PERCEIVED TO CONFORM TO THE YOUNG, THIN/ATHLETIC IDEAL AND THAT OVERALL YOGA IS NOT BEING REPRESENTED AS AN INCLUSIVE PHYSICAL PRACTICE THAT CAN BE ADAPTED FOR WOMEN OF DIVERSE AGES, BODY TYPES, AND ABILITIES. 2021 4 366 15 ASTHMA: THE YOGA PERSPECTIVE. PART I. THE SOMATOPSYCHIC IMBALANCE IN ASTHMA: TOWARDS A HOLISTIC THERAPY. WHILE THE STANDARD PHYSIOLOGICAL AND EVEN CERTAIN PSYCHOLOGICAL CHARACTERISTICS OF ASTHMATIC PATIENTS ARE WELL KNOWN, THE CURRENT DIAGNOSTIC AND THERAPEUTIC APPROACH TO ASTHMA REMAINS INADEQUATE, AS IT NEGLECTS CERTAIN INTERRELATED SOMATOPSYCHIC FACTORS VITAL TO AN OPTIMAL DIAGNOSTIC-THERAPEUTIC PROGRAMME. THESE INCLUDE THE ROLE OF SKELETAL MUSCLE TENSION AND POSTURE, THE ROLE OF THE 'VOLUNTARY' RESPIRATORY MUSCULATURE, ESPECIALLY THE DIAPHRAGM, AS WELL AS ANXIETY, EMOTIONAL SUPPRESSION AND EXCESSIVE SELF-CONSCIOUSNESS, ALL OF WHICH MAY BE PRECIPITANTS RATHER THAN THE OUTCOME OF THE ONSET OF ASTHMA. ON THE BASIS OF THESE NEGLECTED FACTORS AND OTHERS, IMPLICATIONS FOR AN OPTIMALLY EFFECTIVE THERAPY ARE DISCUSSED. THE PHYSICAL MEDICINE OR PHYSIOTHERAPEUTIC, AS WELL AS OTHER RECENT THERAPEUTIC APPROACHES, ARE REVIEWED AND EVALUATED. IT IS CONCLUDED THAT ALL OF THESE THERAPIES ARE TOO "SPECIFIC," AND THAT A MORE HOLISTIC APPROACH IS NECESSARY (WHICH IS PROVIDED IN 'ASTHMA: THE YOGA PERSPECTIVE,' PART II-"YOGA THERAPY IN THE TREATMENT OF ASTHMA"). 1980 5 79 15 A LOW-ENERGY FEMORAL SHAFT FRACTURE FROM PERFORMING A YOGA POSTURE. THE FEMORAL SHAFT IS RARELY THE SITE OF A LOW-ENERGY FRACTURE IN A HEALTHY INDIVIDUAL. THE VAST MAJORITY OF THESE FRACTURES ARE DUE TO MAJOR TRAUMA SUCH AS MOTOR VEHICLE ACCIDENTS. ALTHOUGH LOW-ENERGY FEMORAL SHAFT FRACTURES DO OCCUR, THEY ARE TYPICALLY IN PATIENTS WITH OSTEOPOROTIC BONE, OR PROSTHESIS RELATED. IN THIS CASE REPORT, WE PRESENT A MAN IN HIS LATE 30S WHO WAS PRACTISING A SPECIFIC YOGA STANCE WHEN HE EXPERIENCED A FEMORAL SHAFT FRACTURE. 2015 6 647 24 DOWNWARD DOG BECOMES FIT BODY, INC.: A CONTENT ANALYSIS OF 40 YEARS OF FEMALE COVER IMAGES OF YOGA JOURNAL. THE PRESENT ANALYSIS INVESTIGATED TEMPORAL TRENDS IN PHYSICAL APPEARANCE ATTRIBUTES AND ATTIRE WORN BY FEMALE COVER MODELS OF YOGA JOURNAL MAGAZINE BETWEEN THE YEARS 1975-2015. COVERS FEATURING A SINGLE FEMALE MODEL (N=168) WERE CODED FOR: POSE ACTIVITY, AMOUNT OF BODY VISIBILITY, PERCEIVED BODY SIZE, BODY SHAPE, BREAST SIZE, SKIN EXPOSURE, AND REVEALING OR FORM-FITTING ATTIRE. WHEN COLLAPSED ACROSS ALL DECADES, THE MAJORITY OF COVER MODELS WAS ACTIVELY POSED WITH HIGH BODY VISIBILITY, RATED AS AT MOST LOW NORMAL WEIGHT, POSSESSED EITHER A "THIN/LEAN" OR "SKINNY/BONEY" BODY SHAPE, AND WERE "FLAT-CHESTED" OR "SMALL-BREASTED". GREATER BODY VISIBILITY, POSE ACTIVITY, THINNESS/LEANNESS, SKIN EXPOSURE, AND FORM-FITTING ATTIRE WERE FEATURED ON MORE RECENT YEARS' COVERS. FINDINGS SUGGEST THAT THE FEMALE "YOGA BODY" CONFORMS TO THE CONTEMPORARY THIN- AND-TONED MEDIA FITNESS IDEAL, PARTICULARLY RECENTLY, WHICH MAY PROMOTE OBJECTIFIED BODY COMPETENCE, AN UNHEALTHY DRIVE FOR LEANNESS, AND DISSUADE HIGHER WEIGHT WOMEN FROM CONSIDERING YOGA PRACTICE. 2017 7 64 15 A COMPUTER VISION-BASED YOGA POSE GRADING APPROACH USING CONTRASTIVE SKELETON FEATURE REPRESENTATIONS. THE MAIN OBJECTIVE OF YOGA POSE GRADING IS TO ASSESS THE INPUT YOGA POSE AND COMPARE IT TO A STANDARD POSE IN ORDER TO PROVIDE A QUANTITATIVE EVALUATION AS A GRADE. IN THIS PAPER, A COMPUTER VISION-BASED YOGA POSE GRADING APPROACH IS PROPOSED USING CONTRASTIVE SKELETON FEATURE REPRESENTATIONS. FIRST, THE PROPOSED APPROACH EXTRACTS HUMAN BODY SKELETON KEYPOINTS FROM THE INPUT YOGA POSE IMAGE AND THEN FEEDS THEIR COORDINATES INTO A POSE FEATURE ENCODER, WHICH IS TRAINED USING CONTRASTIVE TRIPLET EXAMPLES; FINALLY, A COMPARISON OF SIMILAR ENCODED POSE FEATURES IS MADE. FURTHERMORE, TO TACKLE THE INHERENT CHALLENGE OF COMPOSING CONTRASTIVE EXAMPLES IN POSE FEATURE ENCODING, THIS PAPER PROPOSES A NEW STRATEGY TO USE BOTH A COARSE TRIPLET EXAMPLE-COMPRISED OF AN ANCHOR, A POSITIVE EXAMPLE FROM THE SAME CATEGORY, AND A NEGATIVE EXAMPLE FROM A DIFFERENT CATEGORY, AND A FINE TRIPLET EXAMPLE-COMPRISED OF AN ANCHOR, A POSITIVE EXAMPLE, AND A NEGATIVE EXAMPLE FROM THE SAME CATEGORY WITH DIFFERENT POSE QUALITIES. EXTENSIVE EXPERIMENTS ARE CONDUCTED USING TWO BENCHMARK DATASETS TO DEMONSTRATE THE SUPERIOR PERFORMANCE OF THE PROPOSED APPROACH. 2021 8 552 42 CORE MUSCLE FUNCTION DURING SPECIFIC YOGA POSES. OBJECTIVE: TO ASSESS THE POTENTIAL USE OF 11 YOGA POSES IN SPECIFIC TRAINING AND REHABILITATION PROGRAMS VIA EXAMINATION OF THE MUSCLE ACTIVATION PATTERNS IN SELECTED TRUNK AND HIP MUSCLES. DESIGN: REPEATED-MEASURES DESCRIPTIVE STUDY. SETTING: UNIVERSITY LABORATORY, US. PARTICIPANTS: THIRTY HEALTHY YOGA PRACTITIONERS WITH MORE THAN 3 MONTHS YOGA PRACTICE EXPERIENCE (MEAN AGE+/-SD, 32.0+/-12.3 Y; 8 M/22 F) PARTICIPATED. INTERVENTIONS: SURFACE ELECTROMYOGRAPHIC SIGNALS OF UPPER RECTUS ABDOMINIS, LOWER RECTUS ABDOMINIS, LONGISSIMUS THORACIS, EXTERNAL OBLIQUE ABDOMINIS AND GLUTEUS MAXIMUM MUSCLE WERE RECORDED IN 11 YOGA POSES: HALFWAY LIFT, FORWARD FOLD, DOWNWARD FACING DOG, UPWARD FACING DOG, HIGH PLANK, LOW PLANK, CHAIR, MOUNTAIN WITH ARMS DOWN, MOUNTAIN WITH ARMS UP, WARRIOR 1 (BOTH SIDES). MAIN OUTCOME MEASURES: ROOT MEAN SQUARE VALUES OF EACH MUSCLE DURING EACH POSE, NORMALIZED BY THE MAXIMAL VOLUNTARY CONTRACTION. RESULTS: THERE WERE SIGNIFICANT MAIN EFFECTS OF POSE (P<.001) AND MUSCLE (P<.001), AND A SIGNIFICANT POSEXMUSCLE INTERACTION (P=.001). THE POST HOC ANALYSIS REVEALED UNIQUE PATTERNS FOR THE FIVE MUSCLES OF INTEREST FOR EACH OF THE 11 POSES (P<.024). CONCLUSIONS: VARIATIONS IN CORE MUSCLE FIRING PATTERNS DEPEND ON THE TRUNK AND PELVIC POSITIONS DURING THESE POSES. TRAINING PROGRAMS CAN BE DEVELOPED BY CHOOSING PARTICULAR POSES TO TARGET SPECIFIC CORE MUSCLES FOR ADDRESSING LOW BACK PAIN AND DECLINES IN PERFORMANCE. THE HIGH PLANK, LOW PLANK AND DOWNWARD FACING DOG POSES ARE EFFECTIVE FOR STRENGTHENING EXTERNAL OBLIQUE ABDOMINIS, CHAIR AND WARRIOR 1 POSES FOR TARGETING GLUTEUS MAXIMUM, AND CHAIR AND HALFWAY LIFT POSES FOR STRENGTHENING LONGISSIMUS THORACIS. AND THESE THREE MUSCLES COULD BE STRENGTHENED BY THE UPWARD FACING DOG POSE. 2014 9 1654 45 MUSCLE UTILIZATION PATTERNS VARY BY SKILL LEVELS OF THE PRACTITIONERS ACROSS SPECIFIC YOGA POSES (ASANAS). OBJECTIVE: TO COMPARE MUSCLE ACTIVATION PATTERNS IN 14 DOMINANT SIDE MUSCLES DURING DIFFERENT YOGA POSES ACROSS THREE SKILL LEVELS. DESIGN: MIXED REPEATED-MEASURES DESCRIPTIVE STUDY. SETTING: UNIVERSITY NEUROMUSCULAR RESEARCH LABORATORY, MIAMI, US. PARTICIPANTS: A GROUP OF 36 YOGA PRACTITIONERS (9 M/27 F; MEAN +/- SD, 31.6 +/- 12.6 YEARS) WITH AT LEAST 3 MONTHS YOGA PRACTICE EXPERIENCE. INTERVENTIONS: EACH OF THE 11 SURYA NAMASKAR POSES A AND B WAS PERFORMED SEPARATELY FOR 15S AND THE SURFACE ELECTROMYOGRAPHY FOR 14 MUSCLES WERE RECORDED. MAIN OUTCOME MEASURES: NORMALIZED ROOT MEAN SQUARE OF THE ELECTROMYOGRAPHIC SIGNAL (NRMSEMG) FOR 14 MUSCLES (5 UPPER BODY, 4 TRUNK, 5 LOWER BODY). RESULTS: THERE WERE SIGNIFICANT MAIN EFFECTS OF POSE FOR ALL FOURTEEN MUSCLES EXCEPT MIDDLE TRAPEZIUS (P<.02) AND OF SKILL LEVEL FOR THE VASTUS MEDIALIS; P=.027). A SIGNIFICANT SKILL LEVEL X POSE INTERACTION EXISTED FOR FIVE MUSCLES (PECTORALIS MAJOR STERNAL HEAD, ANTERIOR DELTOID, MEDIAL DELTOID, UPPER RECTUS ABDOMINIS AND GASTROCNEMIUS LATERALIS; P<.05). POST HOC ANALYSES USING BONFERRONI COMPARISONS INDICATED THAT DIFFERENT POSES ACTIVATED SPECIFIC MUSCLE GROUPS; HOWEVER, THIS VARIED BY SKILL LEVEL. CONCLUSION: OUR RESULTS INDICATE THAT DIFFERENT POSES CAN PRODUCE SPECIFIC MUSCLE ACTIVATION PATTERNS WHICH MAY VARY DUE TO PRACTITIONERS' SKILL LEVELS. THIS INFORMATION CAN BE USED IN DESIGNING REHABILITATION AND TRAINING PROGRAMS AND FOR CUING DURING YOGA TRAINING. 2014 10 1766 23 POSTURAL CONTROL ADAPTATIONS IN YOGA SINGLE-LEG SUPPORT POSTURES: COMPARISON BETWEEN PRACTITIONERS AND NONPRACTITIONERS. THIS PAPER INVESTIGATES WHETHER A GROUP OF REGULAR YOGA PRACTITIONERS SHOWS POSTURAL CONTROL DIFFERENCES COMPARED WITH HEALTHY CONTROLS WHILE PERFORMING SINGLE-LEG YOGA POSTURES. TEN YOGA PRACTITIONERS WERE COMPARED WITH A CONTROL GROUP OF 10 NONPRACTITIONERS PERFORMING TWO SINGLE-LEG SUPPORT YOGA POSTURES: VRKSASANA (TREE POSTURE) AND NATARAJASANA (DANCER POSTURE). RAMBLING AND TREMBLING DECOMPOSITION OF THE CENTER OF PRESSURE TRAJECTORIES WAS IMPLEMENTED USING A GENETIC ALGORITHM SPECTRAL OPTIMIZATION THAT AVOIDS USING HORIZONTAL FORCES AND WAS VALIDATED WITH BIPEDAL POSTURE DATA. ADDITIONALLY, THE CENTER OF MASS WAS ESTIMATED FROM BODY KINEMATICS USING OPENSIM AND COMPARED WITH THE RAMBLING OUTPUTS. DURING NATARAJASANA, NO POSTURAL CONTROL ADAPTATIONS WERE OBSERVED. FOR VRKSASANA, THE YOGA PRACTITIONERS SHOWED A LOWER CENTER OF PRESSURE ELLIPSE CONFIDENCE INTERVAL AREA, CENTER OF PRESSURE ANTEROPOSTERIOR SD, AND SMALLER RAMBLING SD IN THE MEDIOLATERAL DIRECTION, SUGGESTING POSSIBLE SUPRASPINAL FEED-FORWARD MOTOR ADAPTATIONS ASSOCIATED WITH YOGA TRAINING. 2022 11 1283 43 GLUTEAL MUSCLE ACTIVATION DURING COMMON YOGA POSES. BACKGROUND: APPROXIMATELY 24% OF PHYSICAL THERAPISTS REPORT REGULARLY USING YOGA TO STRENGTHEN MAJOR MUSCLE GROUPS. ALTHOUGH CLINICIANS AND ATHLETES OFTEN USE YOGA AS A FORM OF STRENGTH TRAINING, LITTLE IS KNOWN ABOUT THE ACTIVATION OF SPECIFIC MUSCLE GROUPS DURING YOGA POSES, INCLUDING THE GLUTEUS MAXIMUS AND MEDIUS. HYPOTHESIS/PURPOSE: THE PURPOSE OF THIS STUDY WAS TO MEASURE GLUTEUS MAXIMIMUS AND GLUTEUS MEDIUS ACTIVATION VIA ELECTROMYOGRAPHY (EMG) DURING FIVE COMMON YOGA POSES. A SECONDARY PURPOSE OF THE CURRENT STUDY WAS TO EXAMINE DIFFERENCES IN MUSCLE ACTIVATION BETWEEN SEXES AND EXPERIENCE LEVELS. STUDY DESIGN: CROSS-SECTIONAL. METHODS: THIRTY-ONE HEALTHY MALES AND FEMALES AGED 18-35 YEARS WERE TESTED DURING FIVE YOGA POSES PERFORMED IN A RANDOMIZED ORDER. SURFACE EMG ELECTRODES WERE PLACED ON SUBJECTS' RIGHT GLUTEUS MAXIMUS AND GLUTEUS MEDIUS. SUBJECTS PERFORMED THE POSES ON BOTH SIDES FOLLOWING A MAXIMAL VOLUNTARY ISOMETRIC CONTRACTION (MVIC) TEST FOR EACH MUSCLE. ALL YOGA POSE EMG DATA WERE NORMALIZED TO THE CORRESPONDING MUSCLE MVIC DATA. RESULTS: HIGHEST GLUTEUS MAXIMUS ACTIVATION OCCURRED DURING HALF MOON POSE ON THE LIFTED/BACK LEG (63.3% MVIC), FOLLOWED BY THE STANCE/FRONT LEG DURING HALF MOON POSE (61.7%), THEN THE LIFTED/BACK LEG DURING WARRIOR THREE POSE (46.1%). HIGHEST GLUTEUS MEDIUS ACTIVATION OCCURRED DURING HALF MOON POSE ON THE LIFTED/BACK LEG (41.9%), FOLLOWED BY THE LIFTED/BACK LEG DURING THE WARRIOR THREE POSE (41.6%). A SIGNIFICANT DIFFERENCE WAS FOUND IN %MVIC OF GLUTEUS MEDIUS ACTIVITY BETWEEN MALE AND FEMALE SUBJECTS (P = 0.026), AND BETWEEN EXPERIENCED AND INEXPERIENCED SUBJECTS (P = 0.050), INDICATING HIGHER ACTIVATION AMONG MALES AND INEXPERIENCED SUBJECTS, RESPECTIVELY. CONCLUSION: HALF MOON POSE AND WARRIOR THREE POSE ELICITED THE HIGHEST ACTIVATION FOR BOTH THE GLUTEUS MAXIMUS AND THE GLUTEUS MEDIUS. HIGHER GLUTEUS MEDIUS ACTIVATION WAS SEEN IN MALES AND INEXPERIENCED SUBJECTS COMPARED TO THEIR FEMALE AND EXPERIENCED COUNTERPARTS. LEVEL OF EVIDENCE: 3. 2021 12 1284 25 GOT YOGA?: A LONGITUDINAL ANALYSIS OF THEMATIC CONTENT AND MODELS' APPEARANCE-RELATED ATTRIBUTES IN ADVERTISEMENTS SPANNING FOUR DECADES OF YOGA JOURNAL. YOGA HAS BECOME AN INCREASINGLY COMMON HEALTH PRACTICE AMONG U.S. ADULTS OVER THE PAST DECADE. WITH THIS GROWTH IN POPULARITY, YOGA-RELATED PRINT MEDIA HAVE BEEN CRITICIZED FOR SHIFTING AWAY FROM YOGA'S TRADITIONAL PHILOSOPHIES AND PROMOTING A THIN, LEAN IDEAL PHYSIQUE REPRESENTING THE "YOGA BODY." THE PURPOSE OF THIS STUDY WAS TO (A) ANALYZE THE PRESENCE AND CONTENT OF ADVERTISEMENTS OVER THE 40-YEAR PUBLICATION HISTORY OF YOGA JOURNAL MAGAZINE AND (B) EXPLORE FEMALE ADVERTISEMENT MODELS' SOCIO-DEMOGRAPHIC AND APPEARANCE-RELATED ATTRIBUTES OVER TIME. RESULTS SUGGESTED THAT YOGA JOURNAL NOW CONTAINS SIGNIFICANTLY MORE ADVERTISEMENTS FOR FOOD, NUTRITIONAL SUPPLEMENTS, AND APPAREL AND FEWER ADVERTISEMENTS FOR MEDITATION AND NUTRITIONAL PRACTICES THAN IN ITS EARLY YEARS OF PUBLICATION. MODELS WERE MORE FREQUENTLY RATED AS WHITE AND IN THEIR 20S AND 30S IN RECENT YEARS OF PUBLICATION. TRENDS IN MODEL BODY SIZE MATCHED SHIFTS IN CULTURALLY DOMINANT BODY IDEALS OVER TIME. IMPLICATIONS AND FUTURE RESEARCH DIRECTIONS ARE CONSIDERED. 2017 13 1813 20 PROGRESSION OF GLAUCOMA ASSOCIATED WITH THE SIRSASANA (HEADSTAND) YOGA POSTURE. THIS ARTICLE REPORTS A CASE OF PROGRESSIVE GLAUCOMATOUS OPTIC NEUROPATHY AND VISUAL FIELD LOSS THAT OCCURRED IN A PATIENT WHO PRACTICED THE SIRSASANA (HEADSTAND) YOGA POSTURE ON A DAILY BASIS FOR MANY YEARS. VISUAL FIELD ANALYSIS WAS PERFORMED THROUGH STANDARD AUTOMATED PERIMETRY. INTRAOCULAR PRESSURE (IOP) WAS MEASURED THROUGH PNEUMOTONOMETRY IN THE SITTING POSITION AND IN THE HEAD-DOWN POSITION. STEREO-OPTIC DISC PHOTOGRAPHS WERE OBTAINED. IOP INCREASED SIGNIFICANTLY IN THE HEAD-DOWN POSITION. OPTIC DISC EVALUATION REVEALED A NEW DISC HEMORRHAGE IN THE LEFT EYE. VISUAL FIELD ANALYSIS OVER A PERIOD OF 2 Y SHOWED PROGRESSION OF A SUPERIOR ARCUATE DEFECT IN THE LEFT EYE. TRANSIENT INCREASES IN IOP ASSOCIATED WITH THE YOGA HEADSTAND POSTURE MAY LEAD TO PROGRESSIVE GLAUCOMATOUS OPTIC NERVE DAMAGE AND VISUAL FIELD LOSS. 2006 14 407 13 BIOLOGICAL SIGNIFICANCE OF PIEZOELECTRICITY IN RELATION TO ACUPUNCTURE, HATHA YOGA, OSTEOPATHIC MEDICINE AND ACTION OF AIR IONS. PIEZOELECTRIC PROPERTIES OF BIOLOGICAL MACROMOLECULES SUCH AS PROTEINS, NUCLEIC ACIDS AND MUCOPOLYSACCHARIDES ARE REVIEWED IN THIS PAPER. IT IS INDICATED THAT THE STRUCTURAL ELEMENTS OF THE HUMAN BODY COMPOSED OF THESE PIEZOELECTRIC SUBSTANCES ARE CAPABLE OF TRANSDUCING A MECHANICAL ENERGY INTO AN ELECTRIC CURRENT. SUCH A TRANSDUCTION MAY BE BROUGHT ABOUT BY MOVEMENTS OF AN ACUPUNCTURE NEEDLE, OSTEOPATHIC MANIPULATIONS; HATHA YOGA POSTURES OR ACTION OF NEGATIVELY CHARGED AIR IRONS. IT IS POSTULATED THAT ELECTRIC CURRENT INDUCED BY STIMULATION OF THE SPECIFIC SITES ON THE SURFACE OF HUMAN BODY FLOWS TOWARDS THE INTERNAL ORGANS ALONG THE SEMICONDUCTIVE CHANNELS OF BIOLOGIC MACROMOLECULES. ELECTRIC CURRENT INDUCED EITHER BY THE PIEZOELECTRIC TRANSDUCTION OR DIRECTLY APPLIED FROM AN EXTERNAL SOURCE MAY IN TURN STIMULATE INDIVIDUAL CELLS IN THE TARGET ORGAN. INVOLVEMENT OF ELECTRICAL PHENOMENA IN REGULATORY MECHANISMS ON CELLULAR AND MOLECULAR LEVELS IS DISCUSSED. 1977 15 1836 21 PSYCHOPHYSIOLOGICAL CORRELATES OF THE PRACTICE OF TANTRIC YOGA MEDITATION. AUTONOMIC AND ELECTROENCEPHALOGRAPHIC (EEG) CORRELATES OF TANTRIC YOGA MEDITATION WERE STUDIED IN THREE GROUPS OF SUBJECTS AS THEY PROGRESSED FROM NORMAL CONSCIOUSNESS INTO MEDITATION. GROUPS DIFFERED IN THEIR LEVEL OF MEDITATION PROFICIENCY. MEASURES OF SKIN RESISTANCE, HEART RATE, RESPIRATION, AUTONOMIC ORIENTING RESPONSES, RESTING EEG, EEG ALPHA AND THETA FREQUENCIES, SLEEP-SCORED EEG, AVERAGED EVOKED RESPONSES, AND SUBJECTIVE EXPERIENCE WERE EMPLOYED. UNLIKE MOST PREVIOUSLY REPORTED MEDITATION STUDIES, PROFICIENT MEDITATORS DEMONSTRATED INCREASED AUTONOMIC ACTIVATION DURING MEDITATION WHILE UNEXPERIENCED MEDITATORS DEMONSTRATED AUTONOMIC RELAXATION. DURING MEDITATION, PROFICIENT MEDITATORS DEMONSTRATED INCREASED ALPHA AND THETA POWER, MINIMAL EVIDENCE OF EEG-DEFINED SLEEP, AND DECREASED AUTONOMIC ORIENTING TO EXTERNAL STIMULATION. AN EPISODE OF SUDDEN AUTONOMIC ACTIVATION WAS OBSERVED THAT WAS CHARACTERIZED BY THE MEDITATOR AS AN APPROACH TO THE YOGIC ECSTATIC STATE OF INTENSE CONCENTRATION. THESE FINDINGS CHALLENGE THE CURRENT "RELAXATION" MODEL OF MEDITATIVE STATES. 1978 16 486 19 CLINICAL HYPNOSIS AND PATANJALI YOGA SUTRAS. THE TRANCE STATES IN YOGA AND HYPNOSIS ARE ASSOCIATED WITH SIMILAR PHENOMENA LIKE RELAXATION, DISINCLINATION TO TALK, UNREALITY, MISREPRESENTATION, ALTERATIONS IN PERCEPTION, INCREASED CONCENTRATION, SUSPENSION OF NORMAL REALITY TESTING, AND THE TEMPORARY NATURE OF THE PHENOMENA. WHILE SOME RESEARCHERS CONSIDER YOGA TO BE A FORM OF HYPNOSIS, OTHERS NOTE THAT THERE ARE MANY SIMILARITIES BETWEEN THE TRANCE IN YOGA AND THE HYPNOTIC TRANCE. THE PRESENT STUDY AIMED TO FIND SIMILARITIES BETWEEN THE TRANCE STATES OF HYPNOSIS AND PATANJALI'S YOGA SUTRAS. THE TRANCE STATES WERE COMPARED WITH THE UNDERSTANDING OF THE PHENOMENA OF TRANCE, AND THE THERAPEUTIC TECHNIQUES AND BENEFITS OF BOTH. AN UNDERSTANDING OF THE CONCEPT OF TRANCE IN PATANJALI'S YOGA SUTRAS WAS GAINED THROUGH A THEMATIC ANALYSIS OF THE BOOK FOUR CHAPTERS ON FREEDOM BY SWAMI SATYANANDA SARASWATI. THIS LED TO AN UNDERSTANDING OF THE CONCEPT OF TRANCE IN THE YOGA SUTRAS. THE OBTAINED CONCEPTS WERE COMPARED TO THE CONCEPTS OF TRANCE IN HYPNOSIS (OBTAINED THROUGH THE LITERATURE ON HYPNOSIS) TO INVESTIGATE WHETHER OR NOT THERE EXIST SIMILARITIES. THE FINDINGS OF THE STUDY SHOW THAT THERE ARE SIMILARITIES BETWEEN THE TRANCE IN HYPNOSIS AND THE TRANCE IN PATANJALI'S YOGA SUTRAS IN THE INDUCTION AND DEEPENING OF THE TRANCE STATES IN HYPNOSIS AND THAT OF SAMADHI, THE PHENOMENA PRESENT IN HYPNOSIS AND THE KINDS OF SIDDHIS THAT ARE OBTAINED THROUGH SAMADHI, AND THE THERAPEUTIC TECHNIQUES AND THE THERAPEUTIC PROCESS IN PATANJALI'S YOGA SUTRA AND HYPNOSIS. 2013 17 409 19 BLENDING MARTIAL ARTS AND YOGA FOR HEALTH: FROM THE LAST SAMURAI TO THE FIRST ODAKA YOGA WARRIOR. THIS PAPER INTRODUCES THE CASE STUDY OF ODAKA YOGA, AN INNOVATIVE STYLE OF POSTURAL YOGA BLENDED WITH MARTIAL ARTS ELEMENTS WHICH EMPHASIZES THE IMPORTANCE OF PRACTITIONERS' HEALTH AND PROCESSES OF SELF-TRANSFORMATION AS PIVOTAL TO THE SCHOOL'S ETHOS. MORE SPECIFICALLY, THE PAPER EXPLORES HOW ODAKA YOGA'S PHILOSOPHICAL BACKDROPS AND PRACTICAL REPERTOIRE, COMPOSED BY A MIXTURE OF "EXOTIC" RESOURCES SUCH AS BUSHIDO, ZEN, YOGA, AND A CONSTANT REFERENCE TO THE OCEAN WAVES AND BIOMECHANICS, CONSTITUTE A VERY SPECIFIC VISION OF HEALTH AT THE INTERSECTION OF WESTERN SCIENCE AND ESOTERIC KNOWLEDGE. THEORETICALLY, THE PAPER BORROWS FROM JENNINGS' THEORY OF MARTIAL CREATION AND ENRICHES IT WITH SOME OF THE CENTRAL ANALYTICAL TOOLS PROPOSED BY THEORISTS SUCH AS BOURDIEU AND FOUCAULT. METHODOLOGICALLY, IT RELIES ON A MULTIMODAL APPROACH INCLUDING DISCURSIVE ANALYSIS OF THE SCHOOL'S PROMOTIONAL MATERIALS, INTERVIEWS WITH THE FOUNDERS AND OTHER KEY TEACHERS, AND OBSERVANT PARTICIPATION OF PRACTITIONERS' APPRENTICESHIP PROCESSES. MORE SPECIFICALLY, THIS PAPER DISCUSSES THE BIRTH OF ODAKA YOGA AS OCCURRING AT THE INTERSECTION OF ASIAN MARTIAL ARTS AND YOGA, AS WELL AS THE FOUNDERS' BIOGRAPHICAL TRAJECTORIES FROM THE WORLD OF COMPETITIVE MARTIAL ARTS AND FITNESS, TO YOGA; IT THEN TURNS TO AN EXAMINATION OF ODAKA YOGA'S CONCEPTION OF HEALTH AS A MIXTURE OF THE WESTERN BIOMEDICAL MODEL AND THE SUBTLE BODY MODEL OF ASIAN TRADITIONS SUCH AS YOGA AND MARTIAL ARTS. IT ARGUES THAT THE CONCEPTION OF HEALTH PROMOTED BY THIS SCHOOL GIVES RISE TO THE ODAKA YOGA WARRIOR, THE IDEAL-TYPICAL PRACTITIONER WHOSE BODY IS SIMULTANEOUSLY EXPOSED TO THE MEDICAL GAZE AND ITS IMPERATIVES OF CONTROL, KNOWLEDGE, AND MANIPULATION; WHILE IT ALSO DEIFIES IT, AS IT IS ANIMATED BY THE ELUSIVE FLOWS OF ENERGY (QI OR PRANA) THAT PROLONGED PRACTICE AIMS TO MASTER. THE PAPER CONCLUDES WITH A REFLECTION ON HYBRID CONCEPTIONS OF HEALTH AND THE UBIQUITOUS ROLE OF HEALTH DISCOURSES AND NARRATIVES ACROSS SOCIOCULTURAL DOMAINS. 2020 18 2911 15 [PSEUDOARTHROSIS OF THE FIRST RIB IN A PATIENT WHO PRACTICES YOGA. A CASE REPORT]. INTRODUCTION: PSEUDOARTHROSIS OF THE FIRST RIB IS A RARE CONDITION THAT MAY OCCUR IN ATHLETES AS A RESULT OF REPETITIVE ACTIVITIES, MAINLY OVERHEAD. THE USUAL CLINICAL PRESENTATION IS PAIN IN THE NECK OR THE IPSILATERAL SHOULDER. CASE REPORT: THIS IS THE CASE OF A 19-YEAR-OLD FEMALE PATIENT WHO HAD SUDDEN PAIN OF THE BASE OF THE NECK WHILE DOING YOGA. PSEUDOARTHROSIS OF THE FIRST RIB WAS DIAGNOSED WITH X-RAYS AND CAT SCAN. TREATMENT CONSISTED OF A REHABILITATION AND PHYSICAL THERAPY PROGRAM THAT WAS SUCCESSFUL DESPITE THE PERSISTENCE OF THE PSEUDOARTHROSIS. DISCUSSION: CASES OF FIRST RIB FRACTURES HAVE BEEN REPORTED IN ATHLETES PRACTICING MULTIPLE ACTIVITIES; HOWEVER, PSEUDOARTHROSIS CASES ARE RARE SINCE MOST OF THEM PROGRESS TO BONE HEALING. THIS IS THE FIRST REPORTED CASE OF A FRACTURE OR PSEUDOARTHROSIS IN A PATIENT PRACTICING YOGA. AS IN MOST REPORTED CASES, CONSERVATIVE TREATMENT WAS SUCCESSFUL. CONCLUSION: FRACTURES AND PSEUDOARTHROSIS OF THE FIRST RIB ARE RARE IN ATHLETES AND SHOULD BE INCLUDED IN THE DIFFERENTIAL DIAGNOSIS OF ATHLETES PRESENTING WITH SHOULDER AND NECK PAIN. CONSERVATIVE TREATMENT IS SUCCESSFUL IN MOST CASES. 2009 19 197 15 A RARE CASE OF QUADRATUS FEMORIS MUSCLE RUPTURE AFTER YOGA EXERCISES. WE PRESENT A CASE OF A FEMALE PATIENT WITH LEFT GROIN PAIN AFTER INTENSE YOGA EXERCISES. THE PATIENT PRESENTED ABNORMAL PATTERN OF GAIT WITH NO SWELLING OVER THE GROIN, THIGH, OR BUTTOCK. MAGNETIC RESONANCE IMAGING DEMONSTRATED A TEAR OF THE QUADRATUS FEMORIS MUSCLE WITH AN ASSOCIATED EXTENSIVE HEMATOMA FORMATION. PATIENT WAS TREATED WITH A REHABILITATION PROGRAM CONSISTING OF NONSTEROIDAL ANTI-INFLAMMATORY DRUGS AND PHYSIOTHERAPY. AT THE FOLLOW-UP CONTROL, THE PATIENT HAD IMPROVED HER PAIN AND FLEXIBILITY OF THE HIP, AND GRADUALLY SHE RETURNED TO DAILY ACTIVITIES AND YOGA EXERCISES. SUCH AN ENTITY IS A RARE CAUSE OF HIP PAIN AFTER EXERCISE AND SHOULD BE KEPT IN MIND BY THE ORTHOPEDIC SURGEON, IN CASES OF GLUTEAL PAIN AFTER INTENSE PHYSICAL ACTIVITY. MOREOVER, SUCH A CONDITION SHOULD BE INCLUDED IN THE DIAGNOSTIC ALGORITHM OF UNKNOWN ORIGIN HIP PAIN. 2016 20 1763 12 POSTERIOR VITREOUS DETACHMENT PRECIPITATED BY YOGA. YOGA HAS RECENTLY BEEN TOUTED AS A MEANS TO IMPROVE PHYSICAL AND MENTAL WELL-BEING. HOWEVER, NO FORM OF EXERCISE IS WITHOUT ITS RISKS. A 32-YEAR-OLD CHINESE FEMALE WITH MODERATE MYOPIA COMPLAINED OF RIGHT EYE SUDDEN ONSET OF FLOATERS AND MILD BLURRING OF VISION AFTER THE HEAD-DOWN POSTURE. THE VISUAL ACUITY WAS 6/12 IN THE RIGHT EYE AND 6/9 IN THE LEFT EYE. A RIGHT EYE FUNDUS EXAMINATION SHOWED POSTERIOR VITREOUS DETACHMENT, WITH A SMALL BLOOD CLOT LOCATED AT THE INFERIOR MARGIN OF THE OPTIC DISC. THE PATIENT WAS DIAGNOSED WITH RIGHT EYE VITREOUS HEMORRHAGE SECONDARY TO ACUTE POSTERIOR VITREOUS DETACHMENT AND WAS MANAGED CONSERVATIVELY. ACUTE CHANGES IN POSTURE, ESPECIALLY BETWEEN AN UPRIGHT AND A HEAD-DOWN POSITION, MAY CAUSE ACUTE POSTERIOR VITREOUS DETACHMENT. AS YOGA PRACTITIONERS MAY BE REQUIRED TO ASSUME THIS HEAD-DOWN POSITION, MYOPIC PATIENTS SHOULD BE WARNED OF THE POSSIBLE OCULAR COMPLICATIONS OF THIS EXERCISE. 2018