1 1757 121 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 2 322 41 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 3 987 29 EFFECTS OF HATHA YOGA EXERCISES ON SPINE FLEXIBILITY IN WOMEN OVER 50 YEARS OLD. [PURPOSE] THE AIM OF THIS STUDY WAS TO ACCESS THE FLEXIBILITY OF THE SPINE IN WOMEN PRACTICING YOGA AS A PART OF THE "UNIVERSITY FOR HEALTH" PROJECT. [SUBJECTS AND METHODS] THE STUDY INCLUDED 56 WOMEN RANGING IN AGE BETWEEN 50-79 AND ATTENDING 90 MINUTES HATHA YOGA SESSIONS ONCE A WEEK. THE MEASUREMENTS WERE PERFORMED TWICE-AT THE BEGINNING OF THE PROJECT AND AFTER ITS COMPLETION, I.E., AFTER 20 WEEKS OF CLASSES. THE RANGE OF SPINE MOBILITY IN THREE PLANES WAS MEASURED USING A RIPPSTEIN PLURIMETER. THE RANGE OF MOTION IN THE SAGITTAL AND FRONTAL PLANES WAS MEASURED IN A STANDING POSITION WITH THE FEET HIP-WIDTH APART. THE TORSIONAL RANGE OF MOTION OF THE SUBJECTS WAS MEASURED WITH THE TRUNK BENT AT A RIGHT ANGLE AND THE LEGS APART. THE FLEXIBILITY RANGES OF THE SPINE AND HAMSTRINGS WERE ALSO MEASURED BY THE TOE-TOUCH TEST IN A STANDING POSITION. [RESULTS] THIS STUDY SHOWED THAT THE APPLIED YOGA EXERCISES INCREASED SPINAL MOBILITY AND FLEXIBILITY OF THE HAMSTRING MUSCLES REGARDLESS OF AGE. [CONCLUSION] YOGA EXERCISES SHOULD BE RECOMMENDED TO THE ELDERLY TO MAKE THEIR MUSCLES MORE FLEXIBLE AND TO INCREASE THE RANGE OF MOTION IN THE JOINTS, WHICH IS PARTICULARLY IMPORTANT FOR IMPROVING THEIR LIFE QUALITY. 2015 4 1290 27 GROUND REACTION FORCES GENERATED BY TWENTY-EIGHT HATHA YOGA POSTURES. ADHERENTS CLAIM MANY BENEFITS FROM THE PRACTICE OF YOGA, INCLUDING PROMOTION OF BONE HEALTH AND PREVENTION OF OSTEOPOROSIS. HOWEVER, NO KNOWN STUDIES HAVE INVESTIGATED WHETHER YOGA ENHANCES BONE MINERAL DENSITY. FURTHERMORE, NONE HAVE ESTIMATED REACTION FORCES APPLIED BY YOGA PRACTITIONERS. THE PURPOSE OF THIS STUDY WAS TO COLLECT GROUND REACTION FORCE (GRF) DATA ON A VARIETY OF HATHA YOGA POSTURES THAT WOULD COMMONLY BE PRACTICED IN FITNESS CENTERS OR PRIVATE STUDIOS. TWELVE FEMALE AND EIGHT MALE VOLUNTEERS PERFORMED A SEQUENCE OF 28 HATHA YOGA POSTURES WHILE GRF DATA WERE COLLECTED WITH AN AMTI STRAIN-GAUGE FORCE PLATFORM. THE SEQUENCE WAS REPEATED SIX TIMES BY EACH STUDY SUBJECT. FOUR DEPENDENT VARIABLES WERE STUDIED: PEAK VERTICAL GRF, MEAN VERTICAL GRF, PEAK RESULTANT GRF, AND MEAN RESULTANT GRF. UNIVARIATE ANALYSIS WAS USED TO IDENTIFY MEAN VALUES AND STANDARD DEVIATIONS FOR THE DEPENDENT VARIABLES. PEAK VERTICAL AND RESULTANT VALUES OF EACH POSTURE WERE SIMILAR FOR ALL SUBJECTS, AND STANDARD DEVIATIONS WERE SMALL. SIMILARLY, MEAN VERTICAL AND RESULTANT VALUES WERE SIMILAR FOR ALL SUBJECTS. THIS 28 POSTURE YOGA SEQUENCE PRODUCED LOW IMPACT GRF APPLIED TO UPPER AND LOWER EXTREMITIES. FURTHER RESEARCH IS WARRANTED TO DETERMINE WHETHER THESE FORCES ARE SUFFICIENT TO PROMOTE OSTEOGENESIS OR MAINTAIN CURRENT BONE HEALTH IN YOGA PRACTITIONERS. 2012 5 1906 30 RETURNING TO YOGA PRACTICE AND TEACHING AFTER TOTAL HIP ARTHROPLASTY. PATIENTS WHO PRACTICE YOGA ARE MOTIVATED TO RETURN TO PRACTICE AFTER TOTAL HIP ARTHROPLASTY (THA). WITH CASE REPORTS OF DISLOCATIONS DURING YOGA, THE SAFETY OF SUCH A RETURN IS UNCLEAR. THE PURPOSE OF THIS STUDY IS TO EXAMINE THE TIMING AND FEASIBILITY OF A RETURN IN A SUBSET OF HIGHLY EXPERIENCED AND MOTIVATED PATIENTS. BETWEEN 2010 AND 2019, A TOTAL OF 19 THA'S PERFORMED IN 14 PATIENTS WHO SELF-IDENTIFIED AS YOGA INSTRUCTORS WERE RETROSPECTIVELY REVIEWED. PATIENTS WHO PRACTICED YOGA BUT WERE NOT TEACHERS WERE EXCLUDED FROM THIS SERIES. THE PRIMARY OUTCOME MEASURES WERE THE ABILITY TO RETURN TO YOGA, TO RESUME TEACHING, AND FLUENCY WITH 14 CLASSIC POSES. SECONDARY OUTCOMES MEASURED WERE PATIENT-REPORTED HIP DISABILITY AND OSTEOARTHRITIS OUTCOME SCORE (HOOS, JR.), COMPLICATIONS, AND RADIOGRAPHIC POSITION OF THE IMPLANTS. AFTER SURGERY, ALL PATIENTS RETURNED TO PRACTICING AND TEACHING YOGA, AND THE MEAN TIME TO EACH WAS 2 MONTHS. ALL PATIENTS WERE ABLE TO PERFORM ALL 14 CLASSIC POSES. AT A MEAN FOLLOW-UP OF 5 YEARS (SD +/- 4), THERE WERE NO COMPLICATIONS, AND THE MEAN HOOS, JR SCORE WAS 92 POINTS (SD +/- 15). THIS STUDY DEMONSTRATES THAT A RETURN TO YOGA IN AN EXPERIENCED POPULATION IS NOT ONLY POSSIBLE BUT ALSO SAFE AFTER A DIRECT ANTERIOR THA. LIMITATIONS IN PERFORMING THE POSES SHOULD BE UNDERSTOOD, AND APPROPRIATE MODIFICATIONS SHOULD BE INCORPORATED WHEN NEEDED. 2021 6 2393 12 YOGA AND BONE HEALTH. OSTEOPOROSIS IS A PUBLIC HEALTH PROBLEM AFFECTING INDIVIDUALS GLOBALLY. YOGA HAS BEEN FOUND TO PREVENT AND REVERSE BONE LOSS. YOGA MAY RESULT IN BETTER BALANCE, IMPROVED POSTURE, AND GREATER RANGE OF MOTION, STRENGTH, AND COORDINATION, ALL FACTORS THAT ALSO MITIGATE THE RISK OF FALLS AND FRACTURES. A 12-MINUTE, 12-POSE YOGA REGIMEN IS DISCUSSED IN DETAIL. ONCE LEARNED, THE ONGOING USE OF YOGA IS SAFE, WITHOUT COST, AND MAY BE DONE LIFELONG. 2021 7 80 26 A MATHEMATICAL METHOD FOR ELECTROMYOGRAPHY ANALYSIS OF MUSCLE FUNCTIONS DURING YOGASANA. CONTEXT: FOR THE PAST FEW DECADES, THE NUMBER OF PEOPLE PRACTICING YOGA IS INCREASING IN NUMBER. YOGASANAS NEED SMOOTH BODY MOVEMENTS IN THE PROCESS OF ATTAINING DEFINED POSTURES THAT THE PERSON MUST HOLD ON TO ACTIVATE SPECIFIC MUSCLES OF THE BODY RELATED TO THAT ASANA. YOGASANAS SHOULD BE PERFORMED WITH PERFECTION TO DERIVE MAXIMUM BENEFITS. OBJECTIVE: THE OBJECTIVE OF THIS STUDY WAS TO INTRODUCE A MATHEMATICAL METHOD TO UNDERSTAND MUSCLE FUNCTIONALITIES WHILE DOING YOGASANAS. MATERIALS AND METHODS: USED DELSYS SURFACE ELECTROMYOGRAPHY (SEMG) - TRIGNO (DELSYS INC.) SENSORS FOR DATA RECORDING AND ANALYZING MUSCLE ACTIVATION PATTERNS. RESULTS: PERFORMANCE ANALYSIS WAS QUANTIFIED USING NORMALIZED SEMG SIGNALS. THE SEMG DATA DURING FINAL POSTURE WERE FIT TO A STRAIGHT LINE USING LINEAR REGRESSION ANALYSIS. CONCLUSION: THE RESULTS SUGGESTED THAT THE SLOPE OF THE BEST FIT LINE IS A GOOD METRIC FOR MONITORING THE MUSCLE ACTIVITY DURING YOGA PERFORMANCE. THE ADVANTAGES OF THIS METHOD ARE THE SLOPE OF THE LINE IS A GOOD INDICATOR FOR MONITORING THE MUSCLE ACTIVITY WHILE DOING YOGASANA AND THE METHOD SUGGESTED IN THIS STUDY CAN BE EXTENDED FOR ANALYZING OTHER ASANAS AS WELL. 2019 8 1802 25 PREVALENCE AND PREDICTORS OF YOGIC BREATHING AND MEDITATION USE - A NATIONALLY REPRESENTATIVE SURVEY OF US ADULT YOGA PRACTITIONERS. INTRODUCTION: YOGA PRACTICE IN COMMON USAGE IS OFTEN CONFINED TO THE PHYSICAL ASPECTS OF THE COMPREHENSIVE PRACTICE. THE PURPOSE OF THIS STUDY WAS TO EXAMINE THE USE OF TWO ADDITIONAL ASPECTS OF YOGA AS PART OF YOGA PRACTICE, I.E. YOGIC BREATHING AND MEDITATION (YOBAM). PREVALENCE AND PREDICTORS OF YOBAM USE AMONG YOGA PRACTITIONERS IN THE US GENERAL POPULATION WERE ANALYZED. METHOD: CROSS-SECTIONAL DATA FROM THE 2012 AND 2017 NATIONAL HEALTH INTERVIEW SURVEY (NHIS) (N = 61,267) WAS USED. 12-MONTH PREVALENCE OF YOGA USE AND YOBAM USE AMONG YOGA PRACTITIONERS WERE ANALYZED DESCRIPTIVELY FOR THE TWO COHORTS RESPECTIVELY. LOGISTIC REGRESSION ANALYSES WERE USED TO ANALYZE SOCIODEMOGRAPHIC AND HEALTH-RELATED PREDICTORS OF YOBAM USE AMONG YOGA PRACTITIONERS. RESULTS: 12-MONTH PREVALENCE OF YOGA USE AND YOBAM USE WERE 8.9 % AND 4.8 % RESPECTIVELY IN 2012. IN 2017, 13.3 % HAD PRACTICED YOGA IN THE PAST 12 MONTHS AND 7.0 % HAD USED YOBAM. YOGA PRACTITIONERS AGED BETWEEN 50 AND 64 COMPARED TO BEING 29 OR YOUNGER, FEMALES, HISPANICS AND THOSE EXPERIENCING MILD TO SEVERE FORMS OF PSYCHOLOGICAL DISTRESS WERE MORE LIKELY TO USE YOBAM AS PART OF THEIR YOGA PRACTICE. YOGA PRACTITIONERS LIVING IN THE MIDWEST OR IN A RELATIONSHIP WERE LESS LIKELY TO USE YOBAM. CONCLUSION: IN RECENT YEARS, THE NUMBER OF YOGA PRACTITIONERS IN THE US GENERAL POPULATION HAS CONSIDERABLY INCREASED AND YOBAM USE IS COMMON AMONG YOGA PRACTITIONERS. YOBAM USE SEEMS TO BE ASSOCIATED WITH AGE, GENDER, ETHNICITY, REGION, MARITAL STATUS AND PSYCHOLOGICAL DISTRESS DIMENSIONS. 2021 9 1283 36 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 10 2015 23 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 11 2779 13 YOGA TECHNIQUES AS A MEANS OF CORE STABILITY TRAINING. CORE STABILITY IN GENERAL INVOLVES THE MUSCULAR CONTROL REQUIRED AROUND THE LUMBAR SPINE TO MAINTAIN FUNCTIONAL STABILITY. STABILITY AND MOVEMENT ARE CRITICALLY DEPENDENT ON THE COORDINATION OF ALL THE MUSCLES SURROUNDING THE LUMBAR SPINE. THIS PAPER AIMS TO SHOW THAT AN AGE-OLD YOGA PRACTICE, CALLED UDDHYANA BHANDA AND NOULI, IS AN EFFECTIVE MEANS OF CORE STABILITY. 2009 12 1984 38 SOFT TISSUE AND BONY INJURIES ATTRIBUTED TO THE PRACTICE OF YOGA: A BIOMECHANICAL ANALYSIS AND IMPLICATIONS FOR MANAGEMENT. OBJECTIVE: TO ANALYZE INJURIES THAT WERE DIRECTLY ASSOCIATED WITH YOGA PRACTICE AND IDENTIFY SPECIFIC POSES THAT SHOULD BE AVOIDED IN PATIENTS WITH OSTEOPENIA OR OSTEOPOROSIS. PATIENTS AND METHODS: WE RETROSPECTIVELY REVIEWED THE MEDICAL RECORDS OF PATIENTS WITH INJURIES THAT WERE PRIMARILY CAUSED BY YOGA. PATIENTS WERE SEEN FROM JANUARY 1, 2006, THROUGH DECEMBER 31, 2018. INJURIES WERE CATEGORIZED INTO 3 GROUPS: (1) SOFT TISSUE INJURY, (2) AXIAL NONBONY INJURY, AND (3) BONY INJURY. PATIENTS UNDERWENT EVALUATION AND WERE COUNSELED TO MODIFY EXERCISE ACTIVITY. RESULTS: WE IDENTIFIED 89 PATIENTS FOR INCLUSION IN THE STUDY. WITHIN THE SOFT TISSUE GROUP, 66 PATIENTS (74.2%) HAD MECHANICAL MYOFASCIAL PAIN DUE TO OVERUSE. ROTATOR CUFF INJURY WAS SEEN IN 6 (6.7%), AND TROCHANTERIC BURSOPATHY WAS OBSERVED IN 1 (1.1%). IN THE AXIAL GROUP, EXACERBATION OF PAIN IN DEGENERATIVE JOINT DISEASE (46 PATIENTS [51.7%]) AND FACET ARTHROPATHY (N=34 [38.2%]) WERE OBSERVED. RADICULOPATHY WAS SEEN IN 5 PATIENTS (5.6%). WITHIN THE BONY INJURY CATEGORY, KYPHOSCOLIOSIS WAS SEEN ON IMAGING IN 15 PATIENTS (16.9%). SPONDYLOLISTHESIS WAS PRESENT IN 15 PATIENTS (16.9%). ANTERIOR WEDGING WAS SEEN IN 16 (18.0%), AND COMPRESSION FRACTURES WERE PRESENT IN 13 (14.6%). THE POSES THAT WERE MOST COMMONLY IDENTIFIED AS CAUSING THE INJURIES INVOLVED HYPERFLEXION AND HYPEREXTENSION OF THE SPINE. WE CORRELATED THE KINESIOLOGIC EFFECT OF SUCH EXERCISES ON SPECIFIC MUSCULOSKELETAL STRUCTURES. CONCLUSION: YOGA POTENTIALLY HAS MANY BENEFITS, BUT CARE MUST BE TAKEN WHEN PERFORMING POSITIONS WITH EXTREME SPINAL FLEXION AND EXTENSION. PATIENTS WITH OSTEOPENIA OR OSTEOPOROSIS MAY HAVE HIGHER RISK OF COMPRESSION FRACTURES OR DEFORMITIES AND WOULD BENEFIT FROM AVOIDING EXTREME SPINAL FLEXION. PHYSICIANS SHOULD CONSIDER THIS RISK WHEN DISCUSSING YOGA AS EXERCISE. 2019 13 197 20 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 14 2306 34 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 81 23 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 16 371 23 AWARENESS AND PRACTICE OF AEROBIC EXERCISE AND YOGA AMONG HYPERTENSIVE PATIENTS IN ANAND CITY. BACKGROUND: AEROBIC EXERCISE IS HELPFUL IN REDUCING ELEVATED BLOOD PRESSURE (BP). IT WAS ALSO FOUND THAT YOGA IS USEFUL IN REDUCING RAISED BP. THUS, THEY BOTH CAN BE USED IN PREVENTION AND TREATMENT OF HYPERTENSION. HENCE, THE STUDY AIMED TO OBSERVE BOTH AWARENESS AND PRACTICE OF AEROBIC EXERCISE AND YOGA AMONG HYPERTENSIVE PATIENTS IN ANAND CITY. MATERIALS AND METHODS: A CROSS-SECTIONAL DESCRIPTIVE STUDY WAS CONDUCTED. A QUESTIONNAIRE WAS PREPARED CONTAINING 24 QUESTIONS ABOUT AWARENESS AND PRACTICE OF AEROBIC EXERCISE AND YOGA AMONG HYPERTENSIVE PATIENTS. THE QUESTIONS WERE EXPLAINED TO ALL THE PATIENTS, AND 200 PATIENTS WERE RECRUITED FROM ANAND CITY THROUGH CONVENIENCE SAMPLING. RESULTS: TWO-HUNDRED PATIENTS WERE INCLUDED IN THIS STUDY, OF WHICH 100% WERE AWARE OF HYPERTENSION. 67.68% WERE AWARE OF THE ROLE OF AEROBIC EXERCISE IN HYPERTENSION, OF WHICH 58.29% PRACTICED THEM. THE AWARENESS OF THE ROLE OF YOGA IN HYPERTENSION WAS NOTED IN 33.67% OF PATIENTS, OF WHICH ONLY 13.07% PRACTICED PRANAYAMA AND 9.50% PRACTICED ASANAS. CONCLUSION: THERE WAS A COMPLETE AWARENESS OF HYPERTENSION AMONG HYPERTENSIVE PATIENTS. A LARGE NUMBER OF PATIENTS WERE AWARE OF THE ROLE OF AEROBIC EXERCISE IN HYPERTENSION, BUT ONLY FEW OF THE PATIENTS PRACTICED THEM. HOWEVER, THERE WAS LESS AWARENESS OF THE ROLE OF YOGA IN HYPERTENSION AND EVEN LESSER NUMBER PRACTICED THEM. 2019 17 2890 22 YOGA: POTENTIAL BENEFITS FOR PERSONS WHO STUTTER. YOGA HAS BEEN DEMONSTRATED TO MODULATE AUTONOMIC NERVOUS SYSTEM ACTIVITY, DECREASING ANXIETY AND STRESS, AND IMPROVING QUALITY OF LIFE. THIS PRELIMINARY STUDY SOUGHT TO EXAMINE THE USE OF YOGIC TECHNIQUES ON PERSONS WHO STUTTER GIVEN THE INTERACTION BETWEEN PHYSIOLOGICAL AROUSAL/ANXIETY AND STUTTERING THAT CURRENT MULTIFACTORIAL MODELS OF STUTTERING PROPOSE. FOUR PARTICIPANTS (M = 52 YR, SD = 10; 2 FEMALE, 2 MALE), RECRUITED FROM LOCAL STUTTERING SUPPORT GROUPS IN THE GREATER PHILADELPHIA COMMUNITY VOLUNTEERED TO PARTICIPATE. STUTTERING SEVERITY, ANXIETY, AND EXPERIENCES REGARDING STUTTERING AND COMMUNICATION WERE MEASURED AT BASELINE, POST INTERVENTION, AND AT 4 MONTHS FOLLOW-UP. THE PARTICIPANTS ATTENDED GROUP YOGA SESSIONS AND ENGAGED IN HOME PRACTICE. DESCRIPTIVE RESULTS REVEALED THAT PARTICIPANTS SHOWED IMPROVEMENTS ACROSS OUTCOME MEASURES, WITH THE MOST IMPROVEMENT RELATED TO ANXIETY. PARTICIPANTS ALSO REPORTED IMPROVEMENTS IN THEIR PERCEPTIONS ABOUT COMMUNICATION AS PER QUALITATIVE ANALYSIS OF RESPONSES TO THE OPEN-ENDED QUESTIONNAIRES. THE RESULTS SUGGEST THE POTENTIAL BENEFITS OF YOGA FOR PERSONS WHO STUTTER AND WARRANTS FURTHER STUDY USING AN EXPERIMENTAL DESIGN. 2016 18 2501 25 YOGA AS THERAPY FOR NEURODEGENERATIVE DISORDERS: A CASE REPORT OF THERAPEUTIC YOGA FOR ADRENOMYELONEUROPATHY. YOGA IS A PROMISING THERAPEUTIC MODALITY FOR NEURODEGENERATIVE DISEASES. THIS CASE STUDY PRESENTS A THERAPEUTIC YOGA PROTOCOL FOR ADRENOMYELONEUROPATHY (AMN) AND ITS EFFECT ON A PATIENT'S QUALITY OF LIFE (QOL), AGILITY, BALANCE, AND PERIPHERAL DEXTERITY. A 61-Y-OLD MAN DIAGNOSED WITH AMN WHO WAS EXPERIENCING (1) PERIPHERAL NEUROPATHY IN HIS LEGS AND FEET, (2) LOWER-BACK PAIN (LBP), AND (3) OSTEOARTHRITIS RECEIVED 60-MIN WEEKLY THERAPEUTIC YOGA SESSIONS FOR A 10-MO PERIOD. YOGA THERAPY INCLUDED HATHA YOGA ASANAS (POSES) AND PRANAYAMA (BREATHING EXERCISES). HATHA YOGA ASANAS WERE ALIGNED WITH 7 BERG BALANCE SCALE (BBS) INDICATORS TO MEASURE IMPROVEMENT IN BALANCE AND RANGE OF MOTION. THE 10-MO COURSE OF THERAPEUTIC YOGA RESULTED IN IMPROVED LBP; IMPROVED FLEXION OF THE PATIENT'S HIPS, KNEES, AND ANKLES; IMPROVED PROPULSION PHASE OF WALKING; AND IMPROVEMENT IN THE PATIENT'S ABILITY TO STAND AND BALANCE WITHOUT AN ASSISTIVE DEVICE. THE EFFECT OF YOGA THERAPY ON THE PATIENT IN THIS CASE STUDY ALIGNS WITH CURRENT QOL IMPROVEMENTS NOTED IN CURRENT RESEARCH ON YOGA THERAPY FOR NEUROLOGICAL DISORDERS. THE DESCRIBED CONCEPTS AND METHODS OF EMPLOYING THERAPEUTIC YOGA PROVIDE INSIGHTS FOR CLINICIANS INTO A MODALITY THAT IS LOW RISK AND LOW COST AND THAT CAN SUPPORT INDIVIDUALS WITH OTHER NEUROLOGICAL DISORDERS, SUCH AS MULTIPLE SCLEROSIS (MS), FIBROMYALGIA (FM), AND DISEASES OF THE PERIPHERAL NERVOUS SYSTEM. FURTHER STUDY IS WARRANTED TO HELP DETERMINE THE SAFETY AND EFFICACY OF YOGA THERAPY FOR THESE CONDITIONS. 2014 19 1654 29 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 20 2505 25 YOGA ASANAS AS AN EFFECTIVE FORM OF EXPERIENTIAL LEARNING WHEN TEACHING MUSCULOSKELETAL ANATOMY OF THE LOWER LIMB. PHYSICAL MOVEMENT AS A CONDUIT FOR EXPERIENTIAL LEARNING WITHIN THE ACADEMIC CONTEXT OF ANATOMY IS A STRATEGY CURRENTLY USED IN UNIVERSITY DANCE EDUCATION. THIS SAME APPROACH CAN BE APPLIED TO OTHER MOVEMENT-BASED PRACTICES, FOR EXAMPLE, YOGA. THE PRIMARY PURPOSE OF THIS STUDY WAS TO PILOT A NOVEL TEACHING CURRICULUM TO YOGA PRACTITIONERS, BASED ON BRUNER'S THEORY OF INSTRUCTION, WHICH INCORPORATED THE FOUR ADAPTIVE MODES OF KOLB'S THEORY OF EXPERIENTIAL LEARNING. THE SECONDARY PURPOSE WAS TO ASSESS THE APPLICABILITY OF ANATOMICAL KNOWLEDGE WITHIN THE PARTICIPANTS' YOGA PRACTICE. FOLLOWING THE DEVELOPMENT OF A CURRICULUM APPROPRIATE FOR A SPECTRUM OF ACADEMIC BACKGROUNDS, PARTICIPANTS WERE RECRUITED TO ATTEND A 2-HOUR LEARNING SESSION WITHIN THE DEPARTMENT OF ANATOMY AT QUEEN'S UNIVERSITY IN KINGSTON, ONTARIO, CANADA. THE LEARNING SESSION GUIDED PARTICIPANTS THROUGH THE BONES AND MUSCLES OF THE LOWER LIMB PERTAINING TO FIVE SPECIFIC YOGA POSES. BASED ON PARTICIPANT FEEDBACK, THE SESSIONS WERE POSITIVELY RECEIVED AND CONSISTENT. IN ADDITION, LEARNING SESSION PARTICIPANTS WERE ABLE TO APPLY THE ANATOMICAL INFORMATION THEY WERE TAUGHT TO THEIR YOGA PRACTICE 1-MONTH LATER. BRUNER AND KOLB'S INDEPENDENT THEORIES ON CURRICULUM DESIGN AND EFFECTIVE LEARNING PRACTICE WERE SUCCESSFULLY INCORPORATED TO CREATE A 2-HOUR LEARNING SESSION. THE POTENTIAL USE OF EXPERIENTIAL LEARNING TO COMPLIMENT AND/OR ENHANCE TRADITIONAL DIDACTIC TEACHING IN THE ACADEMIC CONTEXT OF ANATOMY SHOULD BE FURTHER EXPLORED. 2012