1 2209 110 THE GEOMETRIC CURVATURE OF THE SPINE DURING THE SIRSHASANA, THE YOGA'S HEADSTAND. THIS STUDY ANALYSED THE BEHAVIOUR OF THE GEOMETRIC CURVATURE OF THE SPINE DURING SIRSHASANA. THE POSITION OF DORSAL RETROREFLECTIVE MARKERS WAS COMPUTED VIA STEREOPHOTOGRAMMETRIC ANALYSIS IN SIX MALES AND FIVE FEMALES (29.4 +/- 8.8 YEARS, 63.0 +/- 11.4 KG, 1.66 +/- 0.08 M [AVERAGE +/- STANDARD DEVIATION]). THE SPINAL POINTS WERE PROJECTED ONTO THE SAGITTAL AND FRONTAL PLANES OF THE TRUNK, A POLYNOMIAL WAS FITTED TO THE DATA AND THE TWO-DIMENSIONAL GEOMETRIC CURVATURE WAS QUANTIFIED. THE INFERIOR LUMBAR LORDOSIS DECREASED COMPARED TO THE ORTHOSTATIC POSITION AND GAIT, WHICH MAY FAVOUR THE POSTERIOR PROTRUSION OF THE LUMBAR SPINAL NUCLEUS PULPOSUS IN PEOPLE WITH POSTERIOR HERNIATION. THE LATERAL DEVIATION AT THE MIDDLE OF THE THORACIC SPINE INCREASES DURING SIRSHASANA, WHICH MAY REFLECT INCREASED DIFFICULTIES FOR POSTURAL CONTROL AND SPINAL LOADS. IT COULD BE USEFUL FOR PROMOTING POSITIVE SPINAL STRUCTURAL AND FUNCTIONAL CHRONIC ADAPTATIONS FOR HEALTHY PARTICIPANTS, IF THE YOGA PROGRAMME IS CAREFULLY PLANNED AND THE SPINAL ALIGNMENT IS CAREFULLY MONITORED DURING A HEADSTAND. HOWEVER, IT MAY AGGRAVATE SOME SPINAL DISEASES, ESPECIALLY SCOLIOSIS. 2017 2 1990 28 SPINAL CURVATURES OF YOGA PRACTITIONERS COMPARED TO CONTROL PARTICIPANTS-A CROSS-SECTIONAL STUDY. PURPOSE: THE ANGLES OF THORACIC KYPHOSIS AND LUMBAR LORDOSIS DETERMINE THE SPINAL ALIGNMENT IN THE SAGITTAL PLANE. THE AIM OF THIS STUDY WAS TO COMPARE THE THORACIC KYPHOSIS AND LUMBAR LORDOSIS OF MALE AND FEMALE YOGA PRACTITIONERS WITH NON-PRACTICING PARTICIPANTS AND TO DETERMINE THE POSSIBLE DEPENDENCIES BETWEEN SAGITTAL SPINAL CURVATURES AND SOMATIC PARAMETERS, TIME SPENT ON YOGA EXERCISE, AND UNDERTAKING OTHER PHYSICAL ACTIVITIES IN YOGA PRACTITIONERS. METHODS: THE STUDY INVOLVED 576 WOMEN AND 91 MEN AGES 18-68 YEARS (MEAN = 38.5 +/- 9) WHO WERE PRACTICING YOGA, AND 402 WOMEN AND 176 MEN AGES 18-30 YEARS (MEAN = 20.2 +/- 1.3) AS A CONTROL GROUP. THE ANGLES OF THORACIC KYPHOSIS AND LUMBAR LORDOSIS WERE MEASURED USING A PLURIMETER-V GRAVITY INCLINOMETER. RESULTS: THE TWO-WAY ANOVA DEMONSTRATED THE INFLUENCE OF GROUP (P < .0001) AND SEX (P = .03) ON THE ANGLE OF THORACIC KYPHOSIS, AS WELL AS THE INFLUENCE OF GROUP (P < .0001) AND SEX (P < .0001) ON THE ANGLE OF LUMBAR LORDOSIS. IT WAS NOTED THAT YOGA PRACTITIONERS HAD LESS PRONOUNCED THORACIC KYPHOSIS AND LUMBAR LORDOSIS AND WERE MORE OFTEN CHARACTERIZED BY NORMAL OR SMALLER THORACIC KYPHOSIS AND LUMBAR LORDOSIS THAN STUDENTS FROM THE CONTROL GROUP. IN YOGA PRACTITIONERS, THE ANGLE OF THORACIC KYPHOSIS WAS POSITIVELY CORRELATED WITH AGE, BODY MASS, BMI, AND UNDERTAKING OTHER FORMS OF PHYSICAL ACTIVITY. THE ANGLE OF LUMBAR LORDOSIS WAS NEGATIVELY CORRELATED WITH BODY HEIGHT AND BODY MASS. CONCLUSIONS: THE RESULTS SUGGEST THAT YOGA EXERCISES CAN AFFECT THE SHAPE OF THE ANTERIOR-POSTERIOR CURVES OF THE SPINE AND MAY BE AN EFFICIENT TRAINING METHOD FOR SHAPING PROPER POSTURE IN ADULTS. 2021 3 1494 22 INTERRATER RELIABILITY OF AN OBSERVATIONAL RATING SCALE AND VIDEO ANALYSIS OF YOGA POSES. CONTEXT: YOGA IS INCREASINGLY POPULAR, NOT ONLY AS A FORM OF RECREATIONAL EXERCISE BUT ALSO AS A PHYSICIAN-RECOMMENDED INTERVENTION FOR HEALTH CONDITIONS. WHILE SERIOUS ADVERSE EFFECTS ACCOMPANYING YOGA PRACTICE ARE RARE, POSES THAT INVOLVE UPPER-EXTREMITY WEIGHT-BEARING HAVE A HIGH RISK OF DISCOMFORT. TO BETTER UNDERSTAND FACTORS CONTRIBUTING TO ADVERSE EFFECTS, THERE IS A CRITICAL NEED FOR ROBUST INSTRUMENTS THAT OBJECTIVELY EVALUATE POSE PERFORMANCE. THE PURPOSE OF THIS STUDY WAS TO ASSESS THE INTERRATER RELIABILITY OF AN OBSERVATIONAL SCALE DEVELOPED TO ASSESS THE ALIGNMENT OF 3 YOGA POSES. DESIGN: CROSS-SECTIONAL EXPERIMENTAL STUDY. METHODS: THIRTY-EIGHT INDIVIDUALS WERE GIVEN STANDARDIZED INSTRUCTIONS AND PERFORMED 3 POSES (DOWNWARD DOG, PLANK, AND SIDE PLANK). LATERAL VIDEOS WERE RATED BY 2 RATERS. A RATING SCALE EVALUATING THE ALIGNMENT OF 7 REGIONS WAS DEVELOPED BY THE STUDY TEAM WITH INPUT FROM YOGA TEACHERS. DESCRIPTIVE STATISTICS WERE USED TO SUMMARIZE THE PERCENTAGE OF SUBJECTS SHOWING IDEAL ALIGNMENT AND DEVIATIONS. INTERRATER RELIABILITY WAS QUANTIFIED USING COHEN KAPPA COEFFICIENT (KAPPA). RESULTS: IN DOWNWARD DOG, THE PREVALENCE OF IDEAL ALIGNMENT WAS 20%, 28%, AND 37%, AT THE NECK, SHOULDER, AND BACK, RESPECTIVELY; KAPPA RANGED FROM .44 TO .69. IN PLANK, THE PREVALENCE OF IDEAL ALIGNMENT WAS 31%, 45%, AND 54% AT THE NECK, SHOULDER, AND BACK, RESPECTIVELY; KAPPA RANGED FROM .47 TO .95. IN SIDE PLANK, THE PREVALENCE OF IDEAL ALIGNMENT WAS 16, 41%, AND 24%, AT THE NECK, SHOULDER, AND BACK, RESPECTIVELY; KAPPA RANGED FROM .20 TO .84. CONCLUSION: THE OBSERVATIONAL SCALE FOUND A HIGH PREVALENCE OF DEVIATIONS, AND DEMONSTRATED FAIR TO SUBSTANTIAL INTERRATER AGREEMENT. 2022 4 2357 19 VARYING ALIGNMENT AFFECTS LOWER EXTREMITY JOINT AND LIMB LOADING DURING YOGA'S TRIANGLE (TRIKONASANA) POSE. BACKGROUND: LIMITED BIOMECHANICAL DATA EXIST DESCRIBING HOW YOGA ASANAS (POSTURES) LOAD THE LIMBS AND JOINTS, AND LITTLE EVIDENCE-BASED RECOMMENDATIONS FOR YOGA INJURY PREVENTION ARE AVAILABLE. THIS STUDY AIMED TO ESTABLISH JOINT LOADING METRICS FOR AN INJURY-PRONE, YET COMMON YOGA POSE, THE TRIANGLE ASANA (TRIKONASANA) BY IDENTIFYING HOW STANCE WIDTH ADJUSTMENTS ALTER LOWER EXTREMITY LOADING. METHODS: EIGHTEEN YOGA PRACTITIONERS UNDERWENT 3D MOTION ANALYSIS WHILE PERFORMING TRIKONASANA WITH SELF-SELECTED (SS) STANCE WIDTH AND -30, -20, -10, +10, +20, AND +30% OF SS STANCE WIDTH. GROUND REACTION FORCES (GRFS), JOINT FORCES, AND JOINT MOMENTS WERE CALCULATED FOR THE LEADING AND TRAILING LIMB ANKLE, KNEE, AND HIP. ONE-WAY REPEATED-MEASURES ANALYSIS OF VARIANCE DETERMINED DIFFERENCES IN LOADING DUE TO STANCE WIDTH. RESULTS: GRFS, NET JOINT FORCES, AND NET JOINT MOMENTS WERE SIGNIFICANTLY AFFECTED BY STANCE WIDTH WHERE INCREASING STANCE WIDTH INCREASED LEADING LIMB LOADING BUT DECREASED TRAILING LIMB LOADING. CONCLUSIONS: ALTERING STANCE WIDTH OF TRIKONASANA INFLUENCES LOWER EXTREMITY LIMB LOADING, AND THESE LOADING RESPONSES WERE LIMB-DEPENDENT. YOGA PRACTITIONERS AND INSTRUCTORS CAN USE THIS INFORMATION TO OBJECTIVELY SUPPORT INCREASING OR DECREASING STANCE WIDTH TO REDUCE OR INCREASE LIMB LOADING ACCORDING TO THEIR GOALS OR TO MAKE ACCOMMODATIONS TO GROUPS SUCH AS BEGINNERS OR AT-RISK POPULATIONS FOR SAFER, MORE ACCESSIBLE YOGA PRACTICES. CUING A WIDER OR NARROWER STANCE WIDTH WILL NOT HAVE THE SAME EFFECT ON BOTH LIMBS. 2022 5 1513 19 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 6 1532 21 IYENGAR YOGA THERAPY INTERVENTION FOR ISCHIAL PRESSURE ULCERS IN A PATIENT WITH AMYOTROPHIC LATERAL SCLEROSIS: A CASE STUDY. BACKGROUND: ALTHOUGH SOME RESEARCH SUGGESTS THAT THE FORMATION OF PRESSURE ULCERS IS RARE IN PATIENTS WITH AMYOTROPHIC LATERAL SCLEROSIS (ALS), SEVERAL PATIENTS HAVE NONETHELESS DEVELOPED THIS PROBLEM. TO DATE, HOWEVER, NO CASE REPORTS IN THE LITERATURE HAVE DESCRIBED PATIENTS WITH ALS WHO DEVELOP ISCHIAL PRESSURE ULCERS. OUTSIDE OF THE ALS LITERATURE, EVIDENCE SUGGESTS THAT ISCHIAL PRESSURE ULCERS FREQUENTLY DEVELOP IN WHEELCHAIR USERS AND ALSO IN PATIENTS TREATED IN VARIOUS HEALTH CARE SETTINGS. CASE DESCRIPTION: A PATIENT DIAGNOSED WITH ALS REPORTED THE DEVELOPMENT OF ISCHIAL PRESSURE ULCERS AFTER CONSISTENT IMMOBILITY FOR 1 YEAR (32 MONTHS AFTER HER ALS DIAGNOSIS). THIS PATIENT, WHO WAS SITTING ON THE WOUNDS, WAS TREATED WITH OINTMENT AND MORPHINE; THE LATTER WAS INEFFECTIVE IN CONTROLLING THE PAIN. MOVING THE PATIENT FROM SITTING TO SUPINE, LATERAL, OR SEMILATERAL POSITIONS, EITHER ON THE BED OR WHEELCHAIR, TO SEPARATE THE ULCERS FROM THE SURFACE OF THE CHAIR OR BED WAS DEEMED IMPOSSIBLE BECAUSE OF EXAGGERATION OF OTHER SYMPTOMS, INCLUDING SHORTNESS OF BREATH AND PAIN IN OTHER PARTS OF THE BODY. A NEW METHOD OF POSTURAL ALIGNMENT WAS DEVELOPED TO ALLEVIATE THE PAIN ASSOCIATED WITH THE PRESSURE ULCER. THIS METHOD, IYENGAR YOGA THERAPY, WHICH USES PROPS TO REPOSITION A PATIENT, ALLEVIATED PAIN AND HEALING OF TWO PRESSURE ULCERS OF THE PATIENT AFTER 3 WEEKS OF STARTING THIS INTERVENTION. CONCLUSION: ALTHOUGH THE ISCHIAL PRESSURE ULCERS WERE SUCCESSFULLY TREATED IN A PATIENT WITH ALS, FURTHER STUDY IS NECESSARY TO INVESTIGATE THE EFFECTIVENESS OF THIS POSTURAL ALIGNMENT INTERVENTION IN ALS AND OTHER PATIENT POPULATIONS FOR THE MANAGEMENT OF ISCHIAL PRESSURE ULCERS. 2015 7 2772 23 YOGA RESEARCH AND PUBLIC HEALTH: IS RESEARCH ALIGNED WITH THE STAKEHOLDERS' NEEDS? RESEARCH ON YOGA IS WITNESSING AN UNPRECEDENTED PROLIFERATION CURRENTLY, PARTLY BECAUSE OF GREAT INTEREST IN YOGA'S HEALTH UTILITY. HOWEVER, YOGA RESEARCH DOES NOT SEEM TO BE SUFFICIENTLY PUBLIC HEALTH ORIENTED, OR ITS QUALITY CORRESPONDING TO ITS QUANTITY. YOGA RESEARCH IS FALLING SHORT TO ENABLE KEY STAKEHOLDERS LIKE END USERS, PRESCRIBERS, AND PAYERS TO MEANINGFULLY, CONFIDENTLY, AND FRUITFULLY ANSWER THE QUESTIONS LIKE: IS IT GENERALIZABLE? IS IT STANDARDIZABLE? WHICH YOGA STYLE SHOULD BE USED/RECOMMENDED/PAID FOR? OR WILL IT BE WORTH THE MONEY? THEREFORE, IT IS IMPORTANT TO EXAMINE THE ALIGNMENT TO PURPOSE OR VALUE OF YOGA RESEARCH FROM A PUBLIC HEALTH POINT OF VIEW SO AS TO MAKE IT MORE PRACTICAL. THE ISSUES SUCH AS LACK OF CLEAR DEFINITION OF YOGA, WIDE VARIATION IN ITS DOSAGE, CACOPHONY OF LINEAGE-BASED STYLES, NO DATA ABOUT COMPARATIVE EFFECTIVENESS BETWEEN THE YOGA COMPONENTS, CONFOUNDERS AND BIASES CLOUDING THE EVIDENCE REGARDING ITS BENEFITS, TOO LITTLE DATA ON LONG-TERM ADHERENCE, EQUIVOCAL RESULTS ABOUT ITS COST EFFECTIVENESS, DISCUSSIONS LACKING EMBRACE OF BETTER METHODS IN RESEARCH, AND ABSENCE OF A THEORY OF YOGA ARE EXAMINED. THIS IS NOT A DETAILED DISCUSSION OF EVERY ISSUE YOGA RESEARCH FACES, BUT A HIGH-LEVEL OVERVIEW OF THOSE THAT HAVE DIRECT PRACTICAL BEARING. IN THE END, A FEW PRAGMATIC APPROACHES ARE OFFERED. THE ARTICLE SUGGESTS THAT YOGA-COMPONENT ANALYSIS, DEVELOPMENT OF A THEORY OF YOGA, ADOPTION OF A HEALTH-ALIGNED FUNCTIONAL TYPOLOGY OF YOGA, DEVELOPMENT AND TESTING OF A SIMPLE UNIVERSAL BASIC PROTOTYPE OF YOGA INTERVENTION, EMPHASIS ON RESEARCH ABOUT LONG-TERM ADHERENCE, AND DISCOURAGEMENT FOR MERE PROOF OF CONCEPT RESEARCH MIGHT MAKE YOGA RESEARCH SERVE THE STAKEHOLDERS BETTER. IT URGES THE RESEARCH COMMUNITY TO PRACTICE "CONTEXT COGNIZANT SCHOLARSHIP" TO DISENTANGLE HEALTH COMPATIBLE YOGA FROM ITS HISTORICAL-CULTURAL-SOCIAL BODY BEFORE EXAMINING IT FOR HEALTH OR MEDICAL APPLICATION. 2017 8 1776 20 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 9 2015 17 SUGGESTIONS FOR ADAPTING YOGA TO THE NEEDS OF OLDER ADULTS WITH OSTEOPOROSIS. BACKGROUND: EXERCISE SUCH AS YOGA MAY HAVE HEALTH BENEFITS FOR OLDER ADULTS WITH OSTEOPOROSIS, BUT WITHOUT ATTENTION TO SAFE MOVEMENT YOGA CAN ALSO INCREASE THE RISK FOR INJURY. OBJECTIVE: THE CURRENT ARTICLE PROVIDES SUGGESTIONS FOR HOW TO ADAPT YOGA TO THE NEEDS OF OLDER ADULTS WITH OSTEOPOROSIS. SUGGESTIONS: A GENERAL GUIDELINES FOR EXERCISE IS THAT OLDER ADULTS WITH OSTEOPOROSIS SHOULD PARTICIPATE IN A MULTICOMPONENT EXERCISE PROGRAM, INCLUDING RESISTANCE AND BALANCE TRAINING. CONTRAINDICATED MOVEMENTS INCLUDE END-RANGE FLEXION/EXTENSION/ROTATION OF THE SPINE AND INTERNAL/EXTERNAL ROTATION OF THE HIP. YOGA POSTURES THAT SHOULD BE ENCOURAGED INCLUDE POSTURES EMPHASIZING SPINAL ALIGNMENT AND EXTENSION TO MID-RANGE IN STANDING AND ON THE FLOOR. OVERARCHING CONSIDERATIONS FOR PARTICIPATION IN YOGA ARE THAT CLASSES SHOULD BE DESIGNED FOR HIGHER-RISK OLDER ADULTS, LED BY AN INSTRUCTOR WHO HAS HAD PROPER TRAINING WITH INDIVIDUALS WITH OSTEOPOROSIS, SHOULD BE A NONCOMPETITIVE ENVIRONMENT, AND SHOULD GIVE ATTENTION TO WHICH POSTURES ARE SAFE AND HOW TO TRANSITION SAFELY. 2016 10 322 20 ANKLE MOTION IN COMMON YOGA POSES. BACKGROUND: MOTION OF THE ANKLE IS ESSENTIAL FOR MANY YOGA POSES. AN UNDERSTANDING OF RANGE OF ANKLE MOTION DURING TYPICAL YOGA POSES MAY HELP THE CLINICIAN TO UNDERSTAND EXPECTED OUTCOMES OF PATIENTS WHEN RETURNING FROM ANKLE SURGERY OR INJURY TO YOGA. METHODS: THE BIOMECHANICS OF TWENTY HEALTHY ACTIVE YOGIS WERE COLLECTED DURING SEVEN YOGA POSES THAT ARE COMMON WITHIN THEIR PRACTICES. MOTION CAPTURE AND FORCE PLATES WERE USED TO ASSESS THE RANGE OF MOTION AND JOINT MOMENTS OF THE ANKLE FOR EACH POSE. RESULTS: ALL POSES RESULTED IN PLANTARFLEXION AND EXTERNAL ROTATION MOMENTS AT THE ANKLE JOINTS. JOINT LOADING WAS HIGHEST IN SINGLE LEG POSES. THE ARC OF MOTION USED BY THE STUDY PARTICIPANTS IN THE POSES WAS 29 DEGREES OF SAGITTAL MOTION, 20 DEGREES OF FRONTAL MOTION AND 35 DEGREES OF TRANSVERSE MOTION. DISCUSSION: ANKLE MOTION WAS EVALUATED WHEN HEALTHY YOGIS PERFORM STANDARD POSES. THESE RESULTS MAY HELP IN DISCUSSION WITH PATIENTS REGARDING EXPECTED OUTCOMES AFTER ANKLE INJURY OR SURGERY. 2019 11 1655 15 MUSCULOSKELETAL INJURIES IN YOGA. WHILE YOGA HAS BEEN WIDELY STUDIED FOR ITS BENEFITS TO MANY HEALTH CONDITIONS, LITTLE RESEARCH HAS BEEN PERFORMED ON THE NATURE OF MUSCULOSKELETAL INJURIES OCCURRING DURING YOGA PRACTICE. YOGA IS CONSIDERED TO BE GENERALLY SAFE, HOWEVER, INJURY CAN OCCUR IN NEARLY ANY PART OF THE BODY-ESPECIALLY THE NECK, SHOULDERS, LUMBAR SPINE, HAMSTRINGS, AND KNEES. AS BROAD INTEREST IN YOGA GROWS, SO WILL THE NUMBER OF PATIENTS PRESENTING WITH YOGA-RELATED INJURIES. IN THIS LITERATURE REVIEW, THE PREVALENCE, TYPES OF INJURIES, FORMS OF YOGA RELATED WITH INJURY, SPECIFIC POSES (ASANAS) ASSOCIATED WITH INJURY, AND PREVENTIVE MEASURES ARE DISCUSSED IN ORDER TO FAMILIARIZE PRACTITIONERS WITH YOGA-RELATED INJURIES. 2018 12 1757 23 POSITION OF THE HIP IN YOGA. BACKGROUND: YOGA IS GROWING IN POPULARITY AS A FORM OF EXERCISE THROUGHOUT THE WORLD. ORTHOPEDIC PATIENTS PARTICIPATE IN YOGA, YET LITTLE IS KNOWN ABOUT THE RANGES-OF-MOTION OF THE HIP WITHIN VARIOUS YOGA POSES. ORTHOPEDIC SURGEONS ARE UNSURE ABOUT WHAT POTENTIAL POSITIONS THEIR PATIENTS ARE PLACING THEIR HIPS DURING A YOGA PRACTICE. THE AIM OF THIS STUDY IS TO QUANTIFY THE DEGREE OF HIP MOTION WITH COMMON YOGA POSES. METHODS: TWENTY HEALTHY, REGULAR PRACTITIONERS OF YOGA PERFORMED 11 DIFFERENT YOGA POSES IN A STANDARDIZED FASHION. MOTION ANALYSIS WAS USED TO CAPTURE RANGE-OF-MOTION OF THE HIP DURING EACH POSE. RESULTS: MANY YOGA POSES PUT THE HIP IN EXTREMES OF MOTION. POSES SUCH AS DOWNWARD DOG, FORWARD FOLD, SEATED TWIST, AND PIGEON STRESSED THE HIP IN FLEXION. WARRIOR 1, WARRIOR 2, CRESCENT LUNGE, PIGEON, AND TRIANGLE STRESSED THE HIP IN EXTENSION. EAGLE AND SEATED TWIST PUT THE HIP IN HIGHER ADDUCTION, WHILE HALF MOON, EAGLE, AND TRIANGLE PRODUCED MORE HIP INTERNAL ROTATION. CONCLUSION: MANY POSES WERE FOUND TO REACH EXTREMES OF HIP MOTION. THIS STUDY MAY HELP GUIDE THE ORTHOPEDIC SURGEON IN COUNSELING HIP ARTHROPLASTY AND HIP IMPINGEMENT PATIENTS ABOUT YOGA-RELATED ACTIVITY. BY KNOWING WHICH POSES POTENTIALLY STRESS THE HIP IN PARTICULAR PLANES OF MOTION, SURGEONS MAY BETTER INFORM THEIR PATIENTS WHO ARE RETURNING TO YOGA AFTER INJURY OR SURGERY. 2018 13 296 22 ALIGNING YOGA WITH ITS EVOLVING ROLE IN HEALTH CARE: COMMENTS ON YOGA PRACTICE, POLICY, RESEARCH. EVIDENCE IS ACCUMULATING THAT SUGGESTS THAT YOGA HAS BENEFICIAL EFFECTS IN MITIGATING THE IMPACT OF CERTAIN DISEASES. AS A RESULT, EFFORTS ARE BEING MADE TO MEDICALIZE YOGA AND USE IT WITHIN INTEGRATIVE MEDICINE AS A THERAPY. HOWEVER, THERE ARE SUBSTANTIAL SHORTCOMINGS IN THE PRACTICE, POLICY, AND RESEARCH OF YOGA THAT UNDERMINE ITS OPTIMAL USE. YOGA AS A MODALITY FUNCTIONS WITHIN A CONTEXT. THEREFORE, IT IS IMPORTANT TO OCCASIONALLY STEP BACK AND EXAMINE THE ENTIRETY OF THE CONTEXT FROM A HIGH VANTAGE TO ASSESS WHETHER THE TACTICAL AND PROGRAMMATIC ENDEAVORS ARE ALIGNED WITH THE STRATEGIC INTENDED PURPOSE. THIS COMMENTARY DISCUSSES A FEW POLICY ISSUES RELEVANT TO SOME KEY STAKEHOLDERS. IT SUGGESTS THAT YOGA THERAPISTS NEED TO CALIBRATE THEIR MODEL OF YOGA BY REDUCING EMPHASIS ON POSTURES AND INCREASING IT ON MEDITATION AND BREATHING EXERCISES WHILE CATERING TO CLIENTS WITH CHRONIC CONDITIONS. IT RECOMMENDS THAT YOGA RESEARCH SHOULD BE MORE CRITICAL IN EVALUATING YOGA'S FUNDAMENTAL TENETS AND USE REDUCTIONIST APPROACH TO DO SO. IT PROPOSES THAT AUTONOMOUS REGULATORS SHOULD EXTRICATE INJURY PRONE POSTURES FROM THE BODY OF YOGA PRACTICE FOR REGULATORY PURPOSES, RATHER THAN REGULATE YOGA SUMMARILY. IT IS SUGGESTED THAT PAYERS SHOULD PAY FOR YOGA. HOWEVER, THEY SHOULD USE PAYMENT MODEL AS IT IS USED FOR VACCINATION, INSTEAD OF PAYING AS IT IS DONE FOR PHYSIOTHERAPY. IT CONCLUDES THAT YOGA CAN HELP, BUT BEFORE IT CAN HELP IT NEEDS HELP ITSELF, AND THE VARIOUS STAKEHOLDERS NEED TO REFLECT ON THE BIG PICTURE SO THAT THEY CAN COLLABORATE ON THESE IMPROVEMENTS. 2017 14 2306 27 TRAINING BENEFITS AND INJURY RISKS OF STANDING YOGA APPLIED IN MUSCULOSKELETAL PROBLEMS: LOWER LIMB BIOMECHANICAL ANALYSIS. STANDING YOGA POSES STRENGTHEN A PERSON'S LEGS AND HELPS TO ACHIEVE THE GOAL OF MUSCULOSKELETAL REHABILITATION, BUT INADEQUATE EXERCISE PLANNING CAN CAUSE INJURIES. THIS STUDY INVESTIGATED CHANGES IN THE ELECTROMYOGRAM AND JOINT MOMENTS OF FORCE (JMOFS) OF LOWER EXTREMITIES DURING COMMON STANDING YOGA POSES IN ORDER TO EXPLORE THE FEASIBILITY AND POSSIBLE INJURY RISK IN DEALING WITH MUSCULOSKELETAL PROBLEMS. ELEVEN YOGA INSTRUCTORS WERE RECRUITED TO EXECUTE FIVE YOGA POSES (CHAIR, TREE, WARRIOR 1, 2, AND 3). THE RESULTS REVEALED SIGNIFICANT DIFFERENCES IN HIP, KNEE, AND ANKLE JMOFS AND VARYING DEGREES OF MUSCLE ACTIVATION AMONG THE POSES. AMONG THESE POSES, RECTUS FEMORIS MUSCLE ACTIVATION DURING THE CHAIR POSE WAS THE HIGHEST, WARRIOR 2 PRODUCED THE HIGHEST MUSCLE ACTIVATION IN THE VASTUS LATERALIS OF THE FRONT LIMB, WHILE WARRIOR 1 HAD THE HIGHEST MUSCLE ACTIVATION IN THE VASTUS MEDIALIS OF THE BACK LIMB. THEREFORE, ALL THREE POSES CAN POSSIBLY BE SUGGESTED AS A THERAPEUTIC INTERVENTION FOR QUADRICEPS STRENGTHENING. WARRIOR 1 WAS POSSIBLY SUGGESTED AS A THERAPEUTIC INTERVENTION IN ORDER TO REDUCE EXCESSIVE LATERAL OVERLOAD OF THE PATELLA, BUT THE POSSIBLE ADVERSE EFFECTS OF WARRIOR 2 WITH THE HIGHEST KNEE ADDUCTOR JMOF IN THE BACK LIMB COULD RAISE JOINT REACTION FORCES ACROSS THE MEDIAL CONDYLES. IN SINGLE-LEG BALANCE POSTURES, WARRIOR 3 HAD UNIQUE TRAINING EFFECTS ON THE HAMSTRING, AND IS THEREFORE SUGGESTED AS A PART OF HAMSTRING REHABILITATION EXERCISES. THE TREE POSE INDUCED LOW LOWER-EXTREMITY JMOFS AND A LOW LEVEL OF THIGH MUSCLE ACTIVATIONS WHEN IT WAS PERFORMED BY SENIOR INSTRUCTORS WITH EXCELLENT BALANCE CONTROL; HOWEVER, FOR YOGA BEGINNERS WITH INSUFFICIENT STABILITY, IT WILL BE A USEFUL TRAINING MODE FOR STRENGTHENING THE MUSCLES THAT HELP TO KEEP ONE UPRIGHT. THIS STUDY QUANTIFIED THE PHYSICAL DEMANDS OF YOGA POSES USING BIOMECHANICAL DATA AND ELUCIDATED THE STRUCTURES AND PRINCIPLES UNDERLYING EACH YOGA MOVEMENT. THIS IS CRUCIAL FOR YOGA PRACTITIONERS. 2021 15 2211 17 THE HEALTH IMAGINARY OF POSTURAL YOGA. THIS PAPER EXPLORES THE CAPACITY OF YOGA NARRATIVES AND PRACTICES TO CONTRIBUTE TO AND RELATE IDEAS ABOUT HEALTH. IT ADDS THEORETICALLY TO EXISTING LITERATURE ON YOGA BY INTRODUCING THE CONCEPT OF THE 'HEALTH IMAGINARY' AS AN ANALYTIC LENS FOR CONSIDERING YOGA DISCOURSES IN LATE MODERN TIMES, WHERE PERSONAL HEALTH CARE AND SPIRITUAL AMBITIONS ARE ONCE AGAIN BECOMING BLURRED. WITH THIS PERSPECTIVE, THE PAPER PROVIDES A THOROUGH ANALYSIS OF HOW YOGA POSTURES (ASANAS) ARE CONCEIVED TO WORK THERAPEUTICALLY, IN YOGA'S RECENT HISTORY AND IN PRESENT-DAY YOGA THERAPY. TAKING CASE STUDIES FROM INDIA AND GERMANY, IT IS SHOWN EMPIRICALLY HOW THE APPLICATION OF ASANAS IS RATIONALIZED DIFFERENTLY IN SPECIFIC GEOGRAPHICAL AND THERAPEUTIC ENVIRONMENTS - PARTICULARLY REGARDING THE PRESUMED THEORY OF THE BODY. THUS, THE CONCEPT OF THE HEALTH IMAGINARY NOT ONLY PROVIDES ANALYTIC SPACE TO EXPLORE THE IMPLICIT LOGICS AND GOALS OF HEALING IN DIFFERENT CONTEXTS, BUT ALSO OFFERS CLUES ABOUT THE DISTINCT SOCIAL, CULTURAL/RELIGIOUS, AND LOCAL INFLUENCES THAT DRAW PEOPLE INTO YOGA AND CONTRIBUTE TO ITS SELECTIVE APPROPRIATION ACROSS THE GLOBE. 2021 16 1987 17 SPATIAL-TEMPORAL GRAPH CONVOLUTIONAL FRAMEWORK FOR YOGA ACTION RECOGNITION AND GRADING. THE RAPID DEVELOPMENT OF THE INTERNET HAS CHANGED OUR LIVES. MANY PEOPLE GRADUALLY LIKE ONLINE VIDEO YOGA TEACHING. HOWEVER, YOGA BEGINNERS CANNOT MASTER THE STANDARD YOGA POSES JUST BY LEARNING THROUGH VIDEOS, AND HIGH YOGA POSES CAN BRING GREAT DAMAGE OR EVEN DISABILITY TO THE BODY IF THEY ARE NOT STANDARD. TO ADDRESS THIS PROBLEM, WE PROPOSE A YOGA ACTION RECOGNITION AND GRADING SYSTEM BASED ON SPATIAL-TEMPORAL GRAPH CONVOLUTIONAL NEURAL NETWORK. FIRSTLY, WE CAPTURE YOGA MOVEMENT DATA USING A DEPTH CAMERA. THEN WE LABEL THE YOGA EXERCISE VIDEOS FRAME BY FRAME USING LONG SHORT-TERM MEMORY NETWORK; THEN WE EXTRACT THE SKELETAL JOINT POINT FEATURES SEQUENTIALLY USING GRAPH CONVOLUTION; THEN WE ARRANGE EACH VIDEO FRAME FROM SPATIAL-TEMPORAL DIMENSION AND CORRELATE THE JOINT POINTS IN EACH FRAME AND NEIGHBORING FRAMES WITH SPATIAL-TEMPORAL INFORMATION TO OBTAIN THE CONNECTION BETWEEN JOINTS. FINALLY, THE IDENTIFIED YOGA MOVEMENTS ARE PREDICTED AND GRADED. EXPERIMENT PROVES THAT OUR METHOD CAN ACCURATELY IDENTIFY AND CLASSIFY YOGA POSES; IT ALSO CAN IDENTIFY WHETHER YOGA POSES ARE STANDARD OR NOT AND GIVE FEEDBACK TO YOGIS IN TIME TO PREVENT BODY DAMAGE CAUSED BY NONSTANDARD POSES. 2022 17 1687 12 OSTEOPATHY AND (HATHA) YOGA. DIFFERENCES AND POINTS OF CONTACT BETWEEN OSTEOPATHY AND YOGA AS REGARDS THEIR HISTORY AND PRACTICAL APPLICATION ARE OUTLINED. BOTH SEEK TO PROMOTE HEALING. YOGA SEEKS THE ATTAINMENT OF CONSCIOUSNESS; OSTEOPATHY AIMS FOR PROVIDING SUPPORT TO HEALTH. ONE FUNDAMENTAL DIFFERENCE IS THE PERSONAL INVOLVEMENT OF THE INDIVIDUAL IN YOGA. TEACHER AND STUDENT ALIKE ARE CHALLENGED TO RE-EXAMINE THE ATTITUDES OF MIND THEY HAVE ADOPTED TOWARD THEIR LIVES. OSTEOPATHY GENERALLY INVOLVES A RELATIVELY PASSIVE PATIENT WHILE THE OSTEOPATH IS ACTIVE IN PROVIDING TREATMENT. PRACTICAL EXAMPLES ARE USED TO HIGHLIGHT POINTS OF CONTACT BETWEEN YOGA AND OSTEOPATHY. THE TEXT INCLUDES A DISCUSSION OF THE IMPORTANCE OF PHYSICALITY AND A DESCRIPTION OF WAYS OF USING IT IN HEALING PROCESSES. FURTHERMORE, PROCESSES OF ATTAINING CONSCIOUSNESS ARE OUTLINED. POSSIBLE REDUCTIONIST MISCONCEPTIONS IN YOGA AND OSTEOPATHY ARE ALSO POINTED OUT. FUNDAMENTAL ATTITUDES AND FOCUS THAT COMPLEMENT EACH OTHER ARE PRESENTED, TAKING THE CONCEPT OF STILLNESS AS A PARTICULAR EXAMPLE. 2011 18 2709 21 YOGA IS FOR EVERY (ABLE) BODY: A CONTENT ANALYSIS OF DISABILITY THEMES WITHIN MAINSTREAM YOGA MEDIA. YOGA IS INCREASINGLY BEING RECOMMENDED AS A HEALTH SELF-MANAGEMENT STRATEGY FOR PEOPLE WITH A RANGE OF DISABILITIES. MAINSTREAM YOGA MEDIA HAVE BEEN CRITICIZED FOR LIMITED REPRESENTATION OF RACIAL/ETHNIC, GENDER, AGE, AND BODY SIZE DIVERSITY WITHIN THEIR PUBLICATIONS; HOWEVER, IT IS NOT KNOWN HOW THESE MEDIA OUTLETS INCLUDE VISUAL REPRESENTATIONS OF OR TEXTUAL INFORMATION RELEVANT FOR PEOPLE WITH DISABILITIES (PWDS). THE PURPOSE OF THIS RESEARCH WAS TO UNDERSTAND IF AND HOW MAINSTREAM YOGA MEDIA VISUALLY REPRESENT AND INCLUDE INFORMATION FOR PWDS. WE CONDUCTED A CONTENT ANALYSIS OF THE "YOGAPEDIA" SECTION OF EACH YOGA JOURNAL MAGAZINE PUBLISHED IN 2015 AND 2016 (N = 17). TWO INDEPENDENT CODERS RATED ALL OF THE IMAGES AND TEXT IN THESE SECTIONS. DATA WERE ANALYZED USING A THEMATIC APPROACH INFORMED BY A PROMINENT THEORETICAL MODEL OF DISABLEMENT. RESULTS SUGGEST THAT IMAGES CONTAINED NO REPRESENTATION OF DISABILITY. IN CONTRAST, MAGAZINE TEXT INCLUDED AN ABUNDANCE OF REFERENCES TO DISABILITY; HOWEVER, THESE MENTIONS PREDOMINATELY ALIGNED WITH CONSTRUCTS FOUND EARLY IN THE DISABLEMENT PROCESS AND STRONGLY FOCUSED ON PHYSICAL AND MOBILITY LIMITATIONS. THESE FINDINGS EXPAND UPON PREVIOUS RESEARCH EXAMINING THE UNDERREPRESENTATION OF MARGINALIZED GROUPS WITHIN YOGA MEDIA AND ILLUMINATE A PAUCITY OF RELEVANT INFORMATION FOR INDIVIDUALS WITH DISABILITIES WHO ARE INTERESTED IN AND MAY BENEFIT FROM YOGA PRACTICE. 2019 19 1878 17 REALIZING YOGA'S ALL-ACCESS PASS: A SOCIAL JUSTICE CRITIQUE OF WESTERNIZED YOGA AND INCLUSIVE EMBODIMENT. IN THE 21(ST) CENTURY, THE ANCIENT MIND-BODY PRACTICE OF YOGA HAS SURGED IN POPULARITY AMONG WESTERN ENTHUSIASTS FOR ITS NUMEROUS HEALTH BENEFITS. PARTICULARLY, A GROWING EVIDENCE BASE SUPPORTS YOGA FOR CULTIVATING POSITIVE EMBODIMENT AND REDUCING RISK FOR DISORDERED EATING. NEVERTHELESS, AMIDST ITS RISE ARE CONCERNS ABOUT YOGA'S DEPARTURE FROM ITS SPIRITUAL FOUNDATIONS AND INCREASING ASSIMILATION INTO THE APPEARANCE- AND COMMERCIAL-DRIVEN EXERCISE AND FITNESS CULTURE. CONSEQUENTLY, AN EXCLUSIONARY IDENTITY HAS BEEN PERPETUATED IN SHAPING NORMS SURROUNDING WHO CAN AND DOES PRACTICE YOGA, WHICH CONTRADICTS EARLIER EGALITARIAN VISIONS OF A YOGA FOR ALL. THEREFORE, WE ADOPT A SOCIAL JUSTICE LENS IN OFFERING A FOCUSED ANALYSIS OF THE INTERSECTION OF YOGA, EMBODIMENT, AND INCLUSION FOR SELECT MARGINALIZED SOCIAL IDENTITIES TYPICALLY UNDERREPRESENTED AMONG YOGA PRACTITIONERS AND IN YOGA SCHOLARSHIP. DATA ARE SYNTHESIZED FROM BOTH QUALITATIVE AND QUANTITATIVE SOURCES AND INTEGRATE AN UNDERSTANDING OF HOW CONFINED MEDIA REPRESENTATIONS OF "THE YOGA BODY" AND OTHER PRACTICAL CONSTRAINTS MAY UNDERMINE THE PERCEIVED ACCESS TO THE PRACTICE FOR MEMBERS OF DIVERSE GROUPS. WE CONCLUDE WITH INVITING FUTURE CONSIDERATIONS TOWARDS FOSTERING MORE INTERDISCIPLINARY COMMUNITY-BASED RESEARCH PARTNERSHIPS AMONG THE VARIETY OF STAKEHOLDERS INVESTED IN ADVANCING THE ACCESSIBILITY AND INCLUSION OF YOGA AND POSITIVE EMBODIMENT FOR ALL BODIES. 2020 20 81 12 A MATHEMATICAL MODEL OF EFFECTS ON SPECIFIC JOINTS DURING PRACTICE OF THE SUN SALUTATION--A SEQUENCE OF YOGA POSTURES. THE 'SUN SALUTATION' CONSISTS OF A SEQUENCE OF TEN YOGA POSTURES, EACH POSTURE COUNTERACTING THE PRECEDING ONE PRODUCING A BALANCE BETWEEN FLEXION AND EXTENSION, PERFORMED WITH SYNCHRONIZED BREATHING AND AEROBIC ACTIVITY. AS THIS SEQUENCE IS OFTEN PERFORMED AND RECOMMENDED BY MANY YOGA PRACTITIONERS, THERE IS A NEED FOR THE DEVELOPMENT OF A BIOMECHANICAL MODEL TO SUPPORT ITS REPORTED CLINICAL BENEFITS. THIS REQUIRES A DETAILED KNOWLEDGE OF THE NATURE OF THE FORCES AND MOMENTS AT THE VARIOUS JOINTS INVOLVED. A SIMPLE MATHEMATICAL MODEL BASED ON RIGID BODY MECHANICS IS DEVELOPED FOR EACH OF THE SUN SALUTATION POSTURES. DYNAMIC MOMENTS WITH HIGH MAGNITUDES AND RATES, APPLIED WITH UNUSUAL DISTRIBUTION PATTERNS, OPTIMAL FOR OSTEOGENESIS, ARE FOUND TO OCCUR. ALSO, THE JOINTS ARE SUBJECTED TO SUBMAXIMAL LOADINGS THUS ENSURING THAT NONE OF THE JOINTS ARE OVERSTRESSED. 2011