1 2357 137 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 2 1757 35 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 3 2396 18 YOGA AND CHEMOREFLEX RESPONSE TO HYPOXIA AND HYPERCAPNIA. WE TESTED WHETHER CHEMOREFLEX SENSITIVITY COULD BE AFFECTED BY THE PRACTICE OF YOGA, AND WHETHER THIS IS SPECIFICALLY BECAUSE OF A SLOW BREATHING RATE OBTAINED DURING YOGA OR AS A GENERAL CONSEQUENCE OF YOGA. WE FOUND THAT SLOW BREATHING RATE PER SE SUBSTANTIALLY REDUCED CHEMOREFLEX SENSITIVITY, BUT LONG-TERM YOGA PRACTICE WAS RESPONSIBLE FOR A GENERALISED REDUCTION IN CHEMOREFLEX. 2000 4 1290 33 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 2779 14 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 6 2399 24 YOGA AND CUTANEOUS FUNCTIONAL UNIT RECRUITMENT FOR A PATIENT WITH CERVICAL AND UPPER EXTREMITY BURN SCAR CONTRACTURE: CASE REPORT. BURN SCAR CONTRACTURE GREATLY LIMITS FUNCTION FOR BURN SURVIVORS, PARTICULARLY WHEN THE SCARRING CROSSES MULTIPLE JOINTS. PREVIOUS RESEARCH HAS IDENTIFIED FIELDS OF SKIN RECRUITED DURING SINGLE JOINT MOTION, CALLED CUTANEOUS FUNCTIONAL UNITS (CFU), INDICATING THAT IMPAIRMENTS MAY BE SEEN DISTAL TO THE INJURED TISSUE. THIS CASE REPORT CONNECTS THE PRINCIPLES OF CFU AND YOGA-INSPIRED THERAPY MODALITIES IN IMPROVING CLINICAL OUTCOMES FOR A BURN SURVIVOR. THE PATIENT IS A 38-YEAR-OLD MALE WHO SUSTAINED DEEP PARTIAL-THICKNESS ELECTRICAL BURNS TO HIS NECK, CHEST, AND BILATERAL UPPER EXTREMITIES, PRESENTING WITH SIGNIFICANTLY DECREASED RANGE OF MOTION. THE PATIENT ATTENDED PHYSICAL THERAPY 4 DAYS A WEEK, WHERE HE PERFORMED A SPECIFIC YOGA ASANA PROGRAM DURING EACH SESSION. OUTCOMES INCLUDING STANDARD RANGE OF MOTION MEASURES, THE VANCOUVER SCAR SCALE (VSS), AND THE NECK DISABILITY INDEX (NDI), WHICH WERE RECORDED EVERY 10 SESSIONS. CFUS OF CERVICAL EXTENSION AND SHOULDER FLEXION WERE ANALYZED VIA PHOTOGRAPHS COMPARING CUTANEOUS POSITION DURING SPECIFIED YOGA POSES AND RESTING ANATOMICAL POSITION IN STANDING. OVER 30 VISITS, CERVICAL AND SHOULDER RANGE OF MOTION INCREASED, ALTHOUGH THE VSS AND NDI DID NOT SHOW SIGNIFICANT IMPROVEMENT. YOGA POSES SHOWED OVERALL CUTANEOUS RECRUITMENT DISTAL TO THE TARGETED JOINTS, AND BURNED SKIN WAS RECRUITED SIMILARLY TO NONBURNED SKIN IN POSITIONS OF STRETCH. INCORPORATING MULTIJOINT APPROACHES FOR STRETCHING, LIKE YOGA, APPEARS TO CONTRIBUTE TO IMPROVED CLINICAL RANGE-OF-MOTION OUTCOMES WHEN PAIRED WITH TRADITIONAL BURN-REHABILITATION INTERVENTIONS. YOGA POSES INVOLVING MULTIPLE JOINTS ALIGN WITH THE PRINCIPLE OF CFUS, WARRANTING CONTINUED INVESTIGATION. 2022 7 80 30 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 8 918 24 EFFECTIVENESS OF TRAINING PROGRAM COMBINING CHAKRAYOGA AND MEDITATION. BACKGROUND THIS STUDY WAS DESIGNED TO EXAMINE THE EFFECTIVENESS OF PROGRAM COMBINING CHAKRAYOGA AND MEDITATION ON THE PHYSICAL HEALTH AND DISEASE-RELATED FACTORS AND PSYCHOLOGICAL FACTORS OF PEOPLE. METHODS NINETY-SEVEN SUBJECTS (32-83 YEARS OLD) WHO HAD FREE FROM PRIOR EXPERIENCES IN MEDITATION PROGRAMS OR CHAKRAYOGA TRAINING COURSES WERE ASSIGNED TO EITHER THE EXPERIMENTAL GROUP (EXP) (45 SUBJECTS; 13 MALE SUBJECTS AND 32 FEMALE SUBJECTS; AVERAGE AGE OF 60.67 YEARS, SD=11.09 YEARS) OR THE CONTROL GROUP (CONT) OF REMAINING SUBJECTS (52 SUBJECTS; 14 MALE SUBJECTS AND 38 FEMALE SUBJECTS; AVERAGE AGE OF 61.58 YEARS, SD=9.70 YEARS). SUBJECTS IN THE EXP PARTICIPATED IN THE CHAKRAYOGA MEDITATION PROGRAM FOR TWICE A WEEK FOR 2 H DURING 6 WEEKS IN EACH SESSION CONSISTED OF 1 H OF CHAKRAYOGA AND 1 H OF MEDITATION. THE MEASUREMENTS IN THIS STUDY INCLUDED THE MINDFULNESS, STRESS RESPONSE, SUBJECTIVE QUALITY OF LIFE, MEDICAL SYMPTOM CHECKLIST, DIFFICULTY IN EMOTIONAL REGULATION AND OBJECTIVE OF LIFE AND SENSE OF CONTROL. RESULTS RESULTS REVEALED THAT PARTICIPANTS IN THE EXP REPORTED SIGNIFICANTLY MORE RELIEF OF MINDFULNESS, STRESS RESPONSE, SUBJECTIVE QUALITY OF LIFE AND MEDICAL SYMPTOM CHECKLIST THAN THOSE IN THE CONT. CONCLUSIONS THESE FINDINGS PROVIDE EVIDENCE THAT THE CHAKRAYOGA MEDITATION PROGRAM CAN HELP RELIEVE THE PHYSICAL HEALTH AND DISEASE-RELATED FACTORS AND PSYCHOLOGICAL FACTORS. 2019 9 2748 27 YOGA PRACTICE IN ENGLAND 1997-2008: PREVALENCE, TEMPORAL TRENDS, AND CORRELATES OF PARTICIPATION. BACKGROUND: YOGA IS A HOLISTIC PRACTICE THAT MAY OFFER SEVERAL HEALTH BENEFITS. NO STUDY HAS EXAMINED THE PREVALENCE, TEMPORAL TRENDS, OR CORRELATES OF YOGA PRACTICE AT THE POPULATION LEVEL IN A EUROPEAN COUNTRY AND VERY FEW SUCH STUDIES EXIST WORLDWIDE. THE OBJECTIVE OF THE STUDY IS TO EXAMINE THE PREVALENCE, TRENDS AND CORRELATES OF YOGA PRACTICE IN ENGLAND BETWEEN 1997 AND 2008. FINDINGS: ANALYSIS WAS CONDUCTED IN EARLY 2013 USING HEALTH SURVEY FOR ENGLAND DATA. INDEPENDENT COHORTS, REPRESENTATIVE OF ADULTS LIVING IN ENGLAND, WERE SURVEYED IN ANNUAL CYCLES IN 1997-1999, 2003-2004, AND 2006/2008. PREVALENCE OF YOGA PRACTICE (DEFINED AS ANY PRACTICE IN THE PAST FOUR WEEKS) WAS DETERMINED AT EACH TIME POINT AND MULTIPLE LOGISTIC REGRESSION WAS USED TO EXAMINE TEMPORAL TRENDS (USING 1997-1999 AS REFERENCE TIME POINT) AND THE CORRELATES OF YOGA PRACTICE. THE PREVALENCE OF YOGA PRACTICE WAS 0.46% (95% CI: 0.39%-0.52%) IN 1997-1999, 0.94% (0.83%-1.06%) IN 2003-2004, AND 1.11% (0.95%-1.28%) IN 2006/2008. YOGA PARTICIPANTS IN ENGLAND WERE MORE LIKELY TO BE OLDER, FEMALE, DEGREE EDUCATED, OF NON-MANUAL SOCIAL CLASS, LOWER BMI, BETTER SELF-RATED GENERAL HEALTH, INACTIVE OCCUPATION, AND HIGHER MODERATE-TO-VIGOROUS PHYSICAL ACTIVITY. ADJUSTED FOR AGE, SEX, SOCIAL CLASS, AND LONG STANDING ILLNESSES, THERE WAS A SIGNIFICANT INCREASING TREND OF YOGA PRACTICE FROM 1997 TO 2008 (2003/04 OR = 1.93, 95% CI: 1.59-2.34; 2006/08 OR = 2.19, 95% CI: 1.77-2.71). CONCLUSIONS: YOGA PRACTICE HAS INCREASED IN POPULARITY, THOUGH THE ABSOLUTE RATES ARE STILL RELATIVELY LOW. FUTURE POPULATION STUDIES SHOULD MORE COMPREHENSIVELY EXAMINE THE CONTEXTS, SETTINGS, STYLES, CORRELATES AND HEALTH BENEFITS OF YOGA PRACTICE. 2014 10 2257 21 THE PHYSIOLOGICAL CORRELATES OF KUNDALINI YOGA MEDITATION: A STUDY OF A YOGA MASTER. THIS STUDY EXPLORES THE PHYSIOLOGICAL CORRELATES OF A HIGHLY PRACTICED KUNDALINI YOGA MEDITATOR. THORACIC AND ABDOMINAL BREATHING PATTERNS, HEART RATE (HR), OCCIPITAL PARIETAL ELECTROENCEPHALOGRAPH (EEG), SKIN CONDUCTANCE LEVEL (SCL), AND BLOOD VOLUME PULSE (BVP) WERE MONITORED DURING PREBASELINE, MEDITATION, AND POSTBASELINE PERIODS. VISUAL ANALYSES OF THE DATA SHOWED A DECREASE IN RESPIRATION RATE DURING THE MEDITATION FROM A MEAN OF 11 BREATHS/MIN FOR THE PRE- AND 13 BREATHS/MIN FOR THE POSTBASELINE TO A MEAN OF 5 BREATHS/MIN DURING THE MEDITATION, WITH A PREDOMINANCE OF ABDOMINAL/DIAPHRAGMATIC BREATHING. THERE WAS ALSO MORE ALPHA EEG ACTIVITY DURING THE MEDITATION (M = 1.71 MICROV) COMPARED TO THE PRE- (M = .47 MICROV) AND POSTBASELINE (M = .78 MICROV) PERIODS, AND AN INCREASE IN THETA EEG ACTIVITY IMMEDIATELY FOLLOWING THE MEDITATION (M = .62 MICROV) COMPARED TO THE PRE-BASELINE AND MEDITATIVE PERIODS (EACH WITH M = .26 MICROV). THESE FINDINGS SUGGEST THAT A SHIFT IN BREATHING PATTERNS MAY CONTRIBUTE TO THE DEVELOPMENT OF ALPHA EEG, AND THOSE PATTERNS NEED TO BE INVESTIGATED FURTHER. 2001 11 1629 20 MINDFULNESS-BASED YOGA FOR YOUTH WITH PERSISTENT CONCUSSION: A PILOT STUDY. OBJECTIVE: WE EXPLORED THE POTENTIAL IMPACT OF MINDFULNESS-BASED YOGA (MBY) FOR YOUTH WITH PERSISTENT CONCUSSION BY EXAMINING OCCUPATION-BASED AND NEUROPHYSIOLOGICAL OUTCOMES. METHOD: IN THIS CASE SERIES DESIGN STUDY, 6 YOUTHS AGES 13-17 YR WITH CONCUSSION SYMPTOMS FOR >4 WK PARTICIPATED IN AN 8-WK MBY INTERVENTION, 1X/WK FOR 45 MIN. PARTICIPATION, SELF-EFFICACY, AND HEART RATE VARIABILITY (24 HR) WERE COLLECTED BEFORE, AFTER, AND 3 MO AFTER THE INTERVENTION. HEART RATE VARIABILITY WAS ALSO MEASURED DURING EACH SESSION. RESULTS: TRENDS OF INCREASED SELF-EFFICACY IN ACADEMIC, SOCIAL, AND EMOTIONAL DOMAINS WERE FOUND AFTER MBY AND MAINTAINED AT 3-MO FOLLOW-UP. TRENDS OF INCREASING HEART RATE VARIABILITY WERE ALSO FOUND PRE- TO POSTINTERVENTION AND WITHIN THE EIGHT MBY SESSIONS. CONCLUSION: PRELIMINARY RESULTS REVEAL POSITIVE TRENDS AFTER A NOVEL, SAFE INTERVENTION FOR YOUTH WITH PERSISTENT CONCUSSION SYMPTOMS AND THE VALUE OF EXPLORING BOTH OCCUPATION-BASED AND NEUROPHYSIOLOGICAL MEASURES. FUTURE RESEARCH WITH A LARGER SAMPLE AND CONTROL GROUP IS WARRANTED. 2019 12 1163 9 EVALUATING THE ADDITION OF HATHA YOGA IN CARDIAC REHABILITATION. CARDIAC EVENTS OFTEN OCCUR SUDDENLY, ALTERING A PERSON'S LIFESTYLE AND OUTLOOK. RESEARCHERS STUDIED THE ADDITION OF A YOGA INTERVEN- TION TO STANDARD CARDIAC REHABILITATION, FINDING SIGNIFICANT IMPROVE- MENT IN PERCEIVED STRESS AND QUALITY OF LIFE. 2017 13 2757 25 YOGA PRACTICES AND PSYCHOLOGICAL WELL-BEING OF STUDENT NURSES. YOGA HAS BEEN WITH US SINCE TIME IMMEMORIAL, BUT IT IS ONLY DURING RECENT YEARS THAT IT HAS ASSUMED WORLDWIDE IMPORTANCE. THE AIM OF THE STUDY WAS TO ASSESS THE CT OF SELECTED YOGA PRACTICES ON PSYCHOLOGICAL WELLBEING. IN THIS QUASI-EXPERIMENTAL ONE GROUP PRE-TEST AND POST- TEST STUDY, 83 UNDER GRADUATE STUDENT NURSES. WERE TAUGHT SELECTED YOGA EXERCISES. THE SE- LECTED YOGA EXERCISES WERE SYSTEMATIC RELAXATION, BREATHING, AND STRETCHING THAT WERE PER- FORMED IN THE FORMATIVE MANNER. THE' INTERVENTION WAS CARRIED OUT FOR THE MINIMAL DURATION OF ONE HOUR PER DAY, THREE DAYS A WEEK FOR A PERIOD OF 6 WEEKS. ASSESSMENT WAS- CARRIED OUT ON THE FIRST AND LAST- DAY OF THE INTERVENTION, USING-A MODIFIED HINDI VERSION OF POSITIVE AFFECT AND NEGATIVE AFFECT SCALE, (PANAS-H). IT,HAS 10 QUESTIONS EACH TO MEASURE POSITIVE (PA) AND NEGA- TIVE AFFECT (NA). SINCE THE DATA WAS TESTED AND FORMED A NORMAL DISTRIBUTION, THE PAIRED 'T' TEST WAS USED FOR STATISTICAL ANALYSIS. THE. MEAN PA SCORE OF 42.92 AFTER YOGA PRACTICE WAS STATISTI- CALLY HIGHER THAN THE MEAN PA SCORE OF 32. 50 BEFORE YOGA PRACTICE (P=O. 01). THE MEAN NA SCORE OF 20.75 AFTER YOGA PRACTICE WAS LOWER THAN THE MEAN NA SCORE OF 23.33 BEFORE YOGA PRACTICE (P=0.427). THE YOGA PRACTICE CAN BE TAUGHT TO NORMALPARTICIPANTS AS IT MAY REDUCE NEGATIVE AFFECT AND INCREASE THE POSITIVE AFFECT WITHIN A FEW WEEKS. 2015 14 1984 33 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 15 1802 26 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 16 509 36 COMPARATIVE IMMEDIATE EFFECT OF DIFFERENT YOGA ASANAS ON HEART RATE AND BLOOD PRESSURE IN HEALTHY YOUNG VOLUNTEERS. INTRODUCTION: THIS STUDY PLANNED TO COMPARE IMMEDIATE CARDIOVASCULAR EFFECTS OF DIFFERENT YOGA ASANAS IN HEALTHY YOUNG VOLUNTEERS. MATERIALS AND METHODS: HEART RATE (HR), SYSTOLIC PRESSURE (SP), AND DIASTOLIC PRESSURE (DP), BLOOD PRESSURE (BP), WERE RECORDED USING THE NON INVASIVE BLOOD PRESSURE (NIBP) APPARATUS IN 22 HEALTHY YOUNG SUBJECTS, BEFORE AND AFTER THE PERFORMANCE OF DHANURASANA (DA), VAKRASANA (VA) (BOTH SIDES), JANUSIRASASANA (JSA) (BOTH SIDES), MATSYASANA AND SHAVASANA FOR 30 S. HR AND BP WERE FURTHER RECORDED DURING SUPINE RECOVERY AT 2, 4, 6, 8, AND 10 MIN. A REPEATED MEASURE OF ANOVA WAS USED FOR STATISTICAL ANALYSIS. RESULTS: THERE WERE SIGNIFICANT CHANGES IN HR AND BP BOTH IMMEDIATELY AFTER THE ASANAS AS WELL AS DURING THE RECOVERY PERIOD. OVERALL COMPARISONS OF % CHANGES IMMEDIATELY AFTER THE PERFORMANCE OF THE ASANAS REVEALED SIGNIFICANT DIFFERENCES WITH REGARD TO HR THAT INCREASED SIGNIFICANTLY AFTER DA. IN THE RECOVERY PHASE, THERE WERE SIGNIFICANT INTERGROUP DIFFERENCES FROM 2 MIN ONWARD IN BOTH SP AND DP. THE DECREASE OF SP AFTER VA (RIGHT SIDE) (VA-R) WAS SIGNIFICANTLY GREATER THAN SHAVASANA (4(TH), 6(TH), AND 8(TH) MIN) AND JSA (LEFT SIDE) (JSA-L) AT 6(TH) AND 8(TH) MIN. DP DECREASED SIGNIFICANTLY AFTER PERFORMING JSA-L COMPARED TO VA-R AT THE 6(TH) AND 8(TH) MIN. DISCUSSION: THE CARDIOVASCULAR CHANGES IMMEDIATELY AFTER THE ASANAS AND DURING THE RECOVERY PHASE REVEAL INHERENT DIFFERENCES BETWEEN THE SELECTED POSTURES. THE RISE OF HR IN DA MAY BE ATTRIBUTED TO INCREASED SYMPATHETIC RESPONSE DUE TO THE RELATIVE DIFFICULTY OF THE POSTURE AS WELL AS ABDOMINAL COMPRESSION OCCURRING IN IT. THE EFFECT OF SUPINE RELAXATION IS MORE PRONOUNCED AFTER THE PERFORMANCE OF THE ASANAS AS COMPARED TO MERE RELAXATION IN SHAVASANA. THIS MAY BE ATTRIBUTED TO A NORMALIZATION AND RESULTANT HOMEOSTATIC EFFECT OCCURRING DUE TO A GREATER, HEALTHIER DE-ACTIVATION OF THE AUTONOMIC NERVOUS SYSTEM OCCURRING TOWING TO THE PRESENCE OF PRIOR ACTIVATION. THERE WERE ALSO SUBTLE DIFFERENCES BETWEEN THE RIGHT SIDED AND LEFT SIDED PERFORMANCE OF VA AND JSA THAT MAY BE OCCURRING DUE TO THE DIFFERENT INTERNAL STRUCTURES BEING EITHER COMPRESSED OR RELAXED ON EITHER SIDE. CONCLUSION: OUR STUDY PROVIDES INITIAL EVIDENCE OF DIFFERENTIAL CARDIOVASCULAR EFFECTS OF ASANAS AND SUBTLE DIFFERENCES BETWEEN RIGHT AND LEFT SIDED PERFORMANCE. FURTHER, CARDIOVASCULAR RECOVERY IS GREATER AFTER THE PERFORMANCE OF THE ASANAS AS COMPARED TO SHAVASAN; THUS, IMPLYING A BETTER RESPONSE WHEN EFFORT PRECEDES RELAXATION. 2014 17 417 31 BODY TEMPERATURE IN PRACTITIONERS OF A YOGA BREATHING TECHNIQUE CONSIDERED TO BE HEAT GENERATING. CONTEXT: SURYABHEDA PRANAYAMA IS TRADITIONALLY DESCRIBED AS "INCREASING THE INNER FIRE" AND IS BELIEVED TO BE HEAT GENERATING. AIMS: THE PRESENT STUDY AIMED AT DETERMINING WHETHER THE SURFACE BODY TEMPERATURE WOULD INCREASE AFTER SURYABHEDA PRANAYAMA PRACTICE COMPARED WITH SITTING QUIETLY FOR THE SAME DURATION AS A CONTROL. MATERIALS AND METHODS: NINETEEN PARTICIPANTS WITH EXPERIENCE OF SURYABHEDA PRANAYAMA PRACTICE (GROUP MEAN EXPERIENCE +/- STANDARD DEVIATION, 30.2 +/- 22.8 MONTHS) WERE ASSESSED IN 3 SESSIONS ON SEPARATE DAYS. THE SESSIONS WERE (I) SURYABHEDA PRANAYAMA WITH PHYSIOLOGICAL LOCKS OR BREATH RETENTION, (II) SURYABHEDA PRANAYAMA WITHOUT PHYSIOLOGICAL LOCKS OR BREATH RETENTION, AND (III) QUIET SITTING (CONTROL SESSION). THE AXILLARY SURFACE BODY TEMPERATURE WAS MONITORED IN ALL THREE SESSIONS BEFORE (5 MIN), DURING (15 MIN), AND AFTER (5 MIN) THE INTERVENTION. AMBIENT TEMPERATURE AND HUMIDITY IN THE RECORDING CABIN USED FOR TESTING WERE NOTED. FROM THE AMBIENT TEMPERATURE AND HUMIDITY, THE HEAT INDEX WAS DERIVED. STATISTICAL ANALYSIS: REPEATED MEASURES ANALYSES OF VARIANCE WERE PERFORMED TO COMPARE VALUES BEFORE, DURING, AND AFTER THE 3 SESSIONS, USING SPSS VERSION 24.0. RESULTS: THE SURFACE BODY TEMPERATURE INCREASED DURING AND AFTER SURYABHEDA PRANAYAMA WITH PHYSIOLOGICAL LOCKS (P < 0.001; P < 0.001), SURYABHEDA PRANAYAMA WITHOUT PHYSIOLOGICAL LOCKS (P < 0.01; P < 0.001), AND QUIET SITTING (P < 0.001; P < 0.001) COMPARED TO THE RESPECTIVE BEFORE VALUES. CONCLUSION: THE CONTROL (I.E., QUIET SITTING) AND EXPERIMENTAL SESSIONS (I.E., SURYABHEDA WITH LOCKS AND SURYABHEDA WITHOUT LOCKS) SHOWED A COMPARABLE INCREASE IN THE SURFACE BODY TEMPERATURE. HENCE, THE INCREASE IN SURFACE BODY TEMPERATURE DURING AND AFTER EXPERIMENTAL SESSIONS DOES NOT APPEAR TO BE RELATED TO THE PRANAYAMA TECHNIQUES. THE POSSIBLE FACTORS WHICH MAY HAVE CONTRIBUTED TO INCREASED SURFACE BODY TEMPERATURE IN THE CONTROL AND EXPERIMENTAL SESSIONS HAVE BEEN DISCUSSED. 2020 18 1095 19 EFFECTS OF YOGA PRACTICE ON MUSCULAR ENDURANCE IN YOUNG WOMEN. THE AIM OF THIS STUDY WAS TO VERIFY THE EFFECTS OF A SYSTEMATIZED YOGA PRACTICE ON MUSCULAR ENDURANCE IN YOUNG WOMEN. TWENTY SIX WOMEN (24 +/- 3.5 YEARS OLD) PARTICIPATED IN SIX WEEKS OF YOGA CLASSES, AND TWENTY ONE WOMEN (25 +/- 5.1 YEARS OLD) PARTICIPATED AS THE CONTROL GROUP. THE YOGA INTERVENTION WAS COMPOSED OF EIGHTEEN SESSIONS, THREE TIMES PER WEEK, AT 1 H PER SESSION. THE MUSCULAR ENDURANCE OF UPPER LIMBS (PUSH-UP) AND ABDOMINAL (SIT-UP) WAS ASSESSED THROUGH THE PROTOCOL SUGGESTED BY GETTMAN (1989) [1] AND GOLDING, MYERS AND SINNING (1989) [2] TO THE MAXIMUM REPETITIONS PERFORMED IN 1 MIN. TO VERIFY THE SIGNIFICANT DIFFERENCES INTRA GROUPS AND BETWEEN GROUPS A SPANOVA WAS PERFORMED, AND THE LEVEL OF SIGNIFICANCE WAS P