1 2518 215 YOGA COMPARED TO NON-EXERCISE OR PHYSICAL THERAPY EXERCISE ON PAIN, DISABILITY, AND QUALITY OF LIFE FOR PATIENTS WITH CHRONIC LOW BACK PAIN: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: CHRONIC LOW BACK PAIN (CLBP) IS A COMMON AND OFTEN DISABLING MUSCULOSKELETAL CONDITION. YOGA HAS BEEN PROVEN TO BE AN EFFECTIVE THERAPY FOR CHRONIC LOW BACK PAIN. HOWEVER, THERE ARE STILL CONTROVERSIES ABOUT THE EFFECTS OF YOGA AT DIFFERENT FOLLOW-UP PERIODS AND COMPARED WITH OTHER PHYSICAL THERAPY EXERCISES. OBJECTIVE: TO CRITICALLY COMPARE THE EFFECTS OF YOGA FOR PATIENTS WITH CHRONIC LOW BACK PAIN ON PAIN, DISABILITY, QUALITY OF LIFE WITH NON-EXERCISE (E.G. USUAL CARE, EDUCATION), PHYSICAL THERAPY EXERCISE. METHODS: THIS STUDY WAS REGISTERED IN PROSPERO, AND THE REGISTRATION NUMBER WAS CRD42020159865. RANDOMIZED CONTROLLED TRIALS (RCTS) OF ONLINE DATABASES INCLUDED PUBMED, WEB OF SCIENCE, COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS, EMBASE WHICH EVALUATED EFFECTS OF YOGA FOR PATIENTS WITH CHRONIC LOW BACK PAIN ON PAIN, DISABILITY, AND QUALITY OF LIFE WERE SEARCHED FROM INCEPTION TIME TO NOVEMBER 1, 2019. STUDIES WERE ELIGIBLE IF THEY ASSESSED AT LEAST ONE IMPORTANT OUTCOME, NAMELY PAIN, BACK-SPECIFIC DISABILITY, QUALITY OF LIFE. THE COCHRANE RISK OF BIAS TOOL WAS USED TO ASSESS THE METHODOLOGICAL QUALITY OF INCLUDED RANDOMIZED CONTROLLED TRIALS. THE CONTINUOUS OUTCOMES WERE ANALYZED BY CALCULATING THE MEAN DIFFERENCE (MD) OR STANDARDIZED MEAN DIFFERENCE (SMD) WITH 95% CONFIDENCE INTERVALS (CI) ACCORDING TO WHETHER COMBINING OUTCOMES MEASURED ON DIFFERENT SCALES OR NOT. RESULTS: A TOTAL OF 18 RANDOMIZED CONTROLLED TRIALS WERE INCLUDED IN THIS META-ANALYSIS. YOGA COULD SIGNIFICANTLY REDUCE PAIN AT 4 TO 8 WEEKS (MD = -0.83, 95% CI = -1.19 TO -0.48, P<0.00001, I2 = 0%), 3 MONTHS (MD = -0.43, 95% CI = -0.64 TO -0.23, P<0.0001, I2 = 0%), 6 TO 7 MONTHS (MD = -0.56, 95% CI = -1.02 TO -0.11, P = 0.02, I2 = 50%), AND WAS NOT SIGNIFICANT IN 12 MONTHS (MD = -0.52, 95% CI = -1.64 TO 0.59, P = 0.36, I2 = 87%) COMPARED WITH NON-EXERCISE. YOGA WAS BETTER THAN NON-EXERCISE ON DISABILITY AT 4 TO 8 WEEKS (SMD = -0.30, 95% CI = -0.51 TO -0.10, P = 0.003, I2 = 0%), 3 MONTHS (SMD = -0.31, 95% CI = -0.45 TO -0.18, P<0.00001, I2 = 30%), 6 MONTHS (SMD = -0.38, 95% CI = -0.53 TO -0.23, P<0.00001, I2 = 0%), 12 MONTHS (SMD = -0.33, 95% CI = -0.54 TO -0.12, P = 0.002, I2 = 9%). THERE WAS NO SIGNIFICANT DIFFERENCE ON PAIN, DISABILITY COMPARED WITH PHYSICAL THERAPY EXERCISE GROUP. FURTHERMORE, IT SUGGESTED THAT THERE WAS A NON-SIGNIFICANT DIFFERENCE ON PHYSICAL AND MENTAL QUALITY OF LIFE BETWEEN YOGA AND ANY OTHER INTERVENTIONS. CONCLUSION: THIS META-ANALYSIS PROVIDED EVIDENCE FROM VERY LOW TO MODERATE INVESTIGATING THE EFFECTIVENESS OF YOGA FOR CHRONIC LOW BACK PAIN PATIENTS AT DIFFERENT TIME POINTS. YOGA MIGHT DECREASE PAIN FROM SHORT TERM TO INTERMEDIATE TERM AND IMPROVE FUNCTIONAL DISABILITY STATUS FROM SHORT TERM TO LONG TERM COMPARED WITH NON-EXERCISE (E.G. USUAL CARE, EDUCATION). YOGA HAD THE SAME EFFECT ON PAIN AND DISABILITY AS ANY OTHER EXERCISE OR PHYSICAL THERAPY. YOGA MIGHT NOT IMPROVE THE PHYSICAL AND MENTAL QUALITY OF LIFE BASED ON THE RESULT OF A MERGING. 2020 2 162 59 A RANDOMISED CONTROLLED TRIAL OF YOGA FOR THE TREATMENT OF CHRONIC LOW BACK PAIN: RESULTS OF A PILOT STUDY. OBJECTIVE: TO CONDUCT A PILOT TRIAL OF YOGA FOR THE TREATMENT OF CHRONIC LOW BACK PAIN (LBP) TO INFORM THE FEASIBILITY AND PRACTICALITY OF CONDUCTING A FULL-SCALE TRIAL IN THE UK; AND TO ASSESS THE EFFICACY OF YOGA FOR THE TREATMENT OF CHRONIC LOW BACK PAIN. DESIGN: A PRAGMATIC RANDOMISED CONTROLLED TRIAL WAS UNDERTAKEN COMPARING YOGA TO USUAL CARE. PARTICIPANTS: TWENTY PARTICIPANTS WHO HAD PRESENTED TO THEIR GP WITH CHRONIC LOW BACK PAIN IN THE PREVIOUS 18 MONTHS WERE RECRUITED VIA GP RECORDS FROM ONE PRACTICE IN YORK, UK. INTERVENTIONS: TWENTY PATIENTS WERE RANDOMISED TO EITHER 12 WEEKLY 75-MIN SESSIONS OF SPECIALISED YOGA PLUS WRITTEN ADVICE, OR USUAL CARE PLUS WRITTEN ADVICE. ALLOCATION WAS 50/50. MAIN OUTCOME MEASURES: RECRUITMENT RATE, LEVELS OF INTERVENTION ATTENDANCE, AND LOSS TO FOLLOW-UP WERE THE MAIN NON-CLINICAL OUTCOMES. CHANGE AS MEASURED BY THE ROLAND AND MORRIS DISABILITY QUESTIONNAIRE WAS THE PRIMARY CLINICAL OUTCOME. CHANGES IN THE ABERDEEN BACK PAIN SCALE, SF-12, EQ-5D, AND PAIN SELF-EFFICACY WERE SECONDARY CLINICAL OUTCOMES. DATA WERE COLLECTED VIA POSTAL QUESTIONNAIRE AT BASELINE, 4 WEEKS, AND 12 WEEKS FOLLOW-UP. RESULTS: OF THE 286 PATIENTS IDENTIFIED FROM THE GP DATABASE, 52 (18%) CONSENTED AND RETURNED THE ELIGIBILITY QUESTIONNAIRE, OUT OF THESE 20 (6.9%) WERE ELIGIBLE AND RANDOMISED. THE TOTAL PERCENTAGE OF PATIENTS RANDOMISED FROM THE GP PRACTICE POPULATION WAS 0.28%. TEN PATIENTS WERE RANDOMISED TO YOGA, RECEIVING AN AVERAGE OF 1.7 SESSIONS (RANGE 0-5), AND 10 WERE RANDOMISED TO USUAL CARE. AT 12 WEEKS FOLLOW-UP DATA WAS RECEIVED FROM 60% OF PATIENTS IN THE YOGA GROUP AND 90% OF PATIENTS IN THE USUAL CARE GROUP (75% OVERALL). NO SIGNIFICANT DIFFERENCES WERE SEEN BETWEEN GROUPS IN CLINICAL OUTCOMES APART FROM ON THE ABERDEEN BACK PAIN SCALE AT FOUR WEEKS FOLLOW-UP WHERE THE YOGA GROUP REPORTED SIGNIFICANTLY LESS PAIN. CONCLUSION: THIS PILOT STUDY PROVIDED USEFUL DATA AND INFORMATION TO INFORM THE DESIGN AND DEVELOPMENT OF A FULL-SCALE TRIAL OF YOGA FOR CLBP IN THE UK. A KEY FINDING IS THE CALCULATION OF GP PRACTICE TOTAL LIST SIZE REQUIRED FOR PATIENT RECRUITMENT IN A FULL-SCALE TRIAL, AND THE NEED TO IMPLEMENT METHODS TO INCREASE CLASS ATTENDANCE. 2010 3 2811 49 YOGA TO PREVENT MOBILITY LIMITATIONS IN OLDER ADULTS: FEASIBILITY OF A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: THE LOSS OF MOBILITY DURING AGING IMPACTS INDEPENDENCE AND LEADS TO FURTHER DISABILITY, MORBIDITY, AND REDUCED LIFE EXPECTANCY. OUR OBJECTIVE WAS TO EXAMINE THE FEASIBILITY AND SAFETY OF CONDUCTING A RANDOMIZED CONTROLLED TRIAL OF YOGA FOR OLDER ADULTS AT RISK FOR MOBILITY LIMITATIONS. METHODS: SEDENTARY OLDER ADULTS (N = 46; AGE 60-89) WERE RECRUITED AND RANDOMIZED TO EITHER YOGA OR A HEALTH EDUCATION COMPARISON GROUP. YOGA SESSIONS (60-MIN) OCCURRED 2X WEEKLY, AND 90-MIN HEALTH EDUCATION SESSIONS OCCURRED WEEKLY, FOR 10 WEEKS. THE PRIMARY OUTCOMES WERE RECRUITMENT RATE, INTERVENTION ATTENDANCE, AND RETENTION AT ASSESSMENTS. ADVERSE EVENT RATES AND PARTICIPANT SATISFACTION WERE ALSO MEASURED. PHYSICAL PERFORMANCE MEASURES OF GAIT, BALANCE, AND STRENGTH AND SELF-REPORT OUTCOME MEASURES WERE ADMINISTERED AT BASELINE AND 10-WEEKS. RESULTS: RECRUITMENT LASTED 6 MONTHS. RETENTION OF PARTICIPANTS AT THE 10-WEEK FOLLOW-UP WAS HIGH (89% - PERFORMANCE MEASURES; 98% - SELF-REPORT QUESTIONNAIRES). ATTENDANCE WAS GOOD WITH 82% OF YOGA AND 74% OF HEALTH EDUCATION PARTICIPANTS ATTENDING AT LEAST 50% OF THE SESSIONS. NO SERIOUS ADVERSE EVENTS WERE REPORTED. PATIENT SATISFACTION WITH THE INTERVENTIONS WAS HIGH. THE MEAN EFFECT SIZE FOR THE PHYSICAL PERFORMANCE MEASURES WAS 0.35 WITH SOME OVER 0.50. THE MEAN EFFECT SIZE FOR SELF-REPORT OUTCOME MEASURES WAS 0.36. CONCLUSIONS: RESULTS INDICATE THAT IT IS FEASIBLE TO CONDUCT A LARGER RCT OF YOGA FOR SEDENTARY OLDER ADULTS AT RISK FOR MOBILITY PROBLEMS. THE YOGA AND COMPARISON INTERVENTIONS WERE SAFE, WELL ACCEPTED, AND WELL ATTENDED. EFFECT SIZES SUGGEST YOGA MAY HAVE IMPORTANT BENEFITS FOR THIS POPULATION AND SHOULD BE STUDIED FURTHER. TRIAL REGISTRATION: CLINICALTRIALS # NCT03544879 ; RETROSPECTIVELY REGISTERED 4 JUNE, 2018. 2018 4 1180 58 EVALUATION OF THE EFFECTIVENESS AND EFFICACY OF IYENGAR YOGA THERAPY ON CHRONIC LOW BACK PAIN. STUDY DESIGN: THE EFFECTIVENESS AND EFFICACY OF IYENGAR YOGA FOR CHRONIC LOW BACK PAIN (CLBP) WERE ASSESSED WITH INTENTION-TO-TREAT AND PER-PROTOCOL ANALYSIS. NINETY SUBJECTS WERE RANDOMIZED TO A YOGA (N = 43) OR CONTROL GROUP (N = 47) RECEIVING STANDARD MEDICAL CARE. PARTICIPANTS WERE FOLLOWED 6 MONTHS AFTER COMPLETION OF THE INTERVENTION. OBJECTIVE: THIS STUDY AIMED TO EVALUATE IYENGAR YOGA THERAPY ON CHRONIC LOW BACK PAIN. YOGA SUBJECTS WERE HYPOTHESIZED TO REPORT GREATER REDUCTIONS IN FUNCTIONAL DISABILITY, PAIN INTENSITY, DEPRESSION, AND PAIN MEDICATION USAGE THAN CONTROLS. SUMMARY OF BACKGROUND DATA: CLBP IS A MUSCULOSKELETAL DISORDER WITH PUBLIC HEALTH AND ECONOMIC IMPACT. PILOT STUDIES OF YOGA AND BACK PAIN HAVE REPORTED SIGNIFICANT CHANGES IN CLINICALLY IMPORTANT OUTCOMES. METHODS: SUBJECTS WERE RECRUITED THROUGH SELF-REFERRAL AND HEALTH PROFESSIONAL REFERRALS ACCORDING TO EXPLICIT INCLUSION/EXCLUSION CRITERIA. YOGA SUBJECTS PARTICIPATED IN 24 WEEKS OF BIWEEKLY YOGA CLASSES DESIGNED FOR CLBP. OUTCOMES WERE ASSESSED AT 12 (MIDWAY), 24 (IMMEDIATELY AFTER), AND 48 WEEKS (6-MONTH FOLLOW-UP) AFTER THE START OF THE INTERVENTION USING THE OSWESTRY DISABILITY QUESTIONNAIRE, A VISUAL ANALOG SCALE, THE BECK DEPRESSION INVENTORY, AND A PAIN MEDICATION-USAGE QUESTIONNAIRE. RESULTS: USING INTENTION-TO-TREAT ANALYSIS WITH REPEATED MEASURES ANOVA (GROUP X TIME), SIGNIFICANTLY GREATER REDUCTIONS IN FUNCTIONAL DISABILITY AND PAIN INTENSITY WERE OBSERVED IN THE YOGA GROUP WHEN COMPARED TO THE CONTROL GROUP AT 24 WEEKS. A SIGNIFICANTLY GREATER PROPORTION OF YOGA SUBJECTS ALSO REPORTED CLINICAL IMPROVEMENTS AT BOTH 12 AND 24 WEEKS. IN ADDITION, DEPRESSION WAS SIGNIFICANTLY LOWER IN YOGA SUBJECTS. FURTHERMORE, WHILE A REDUCTION IN PAIN MEDICATION OCCURRED, THIS WAS COMPARABLE IN BOTH GROUPS. WHEN RESULTS WERE ANALYZED USING PER-PROTOCOL ANALYSIS, IMPROVEMENTS WERE OBSERVED FOR ALL OUTCOMES IN THE YOGA GROUP, INCLUDING AGREATER TREND FOR REDUCED PAIN MEDICATION USAGE. ALTHOUGH SLIGHTLY LESS THAN AT 24 WEEKS, THE YOGA GROUP HAD STATISTICALLY SIGNIFICANT REDUCTIONS IN FUNCTIONAL DISABILITY, PAIN INTENSITY, AND DEPRESSION COMPARED TO STANDARD MEDICAL CARE 6-MONTHS POSTINTERVENTION. CONCLUSION: YOGA IMPROVES FUNCTIONAL DISABILITY, PAIN INTENSITY, AND DEPRESSION IN ADULTS WITH CLBP. THERE WAS ALSO A CLINICALLY IMPORTANT TREND FOR THE YOGA GROUP TO REDUCE THEIR PAIN MEDICATION USAGE COMPARED TO THE CONTROL GROUP. 2009 5 2628 52 YOGA FOR THE MANAGEMENT OF PAIN AND SLEEP IN RHEUMATOID ARTHRITIS: A PILOT RANDOMIZED CONTROLLED TRIAL. OBJECTIVE: THE AIM OF THE PRESENT STUDY WAS TO DETERMINE THE FEASIBILITY OF A RELAXATION-BASED YOGA INTERVENTION FOR RHEUMATOID ARTHRITIS, DESIGNED AND REPORTED IN ACCORDANCE WITH DELPHI RECOMMENDATIONS FOR YOGA INTERVENTIONS FOR MUSCULOSKELETAL CONDITIONS. METHODS: PARTICIPANTS WERE RECRUITED FROM A HOSPITAL DATABASE, AND RANDOMIZED TO EITHER EIGHT WEEKLY 75-MIN YOGA CLASSES OR A USUAL CARE CONTROL. FEASIBILITY WAS DETERMINED BY RECRUITMENT RATES, RETENTION, PROTOCOL ADHERENCE, PARTICIPANT SATISFACTION AND ADVERSE EVENTS. SECONDARY PHYSICAL AND PSYCHOSOCIAL OUTCOMES WERE ASSESSED USING SELF-REPORTED QUESTIONNAIRES AT BASELINE (WEEK 0), WEEK 9 (PRIMARY TIME POINT) AND WEEK 12 (FOLLOW-UP). RESULTS: OVER A 3-MONTH PERIOD, 26 PARTICIPANTS WITH MILD PAIN, MILD TO MODERATE FUNCTIONAL DISABILITY AND MODERATE DISEASE ACTIVITY WERE RECRUITED INTO THE STUDY (25% RECRUITMENT RATE). RETENTION RATES WERE 100% FOR YOGA PARTICIPANTS AND 92% FOR USUAL CARE PARTICIPANTS AT BOTH WEEKS 9 AND 12. PROTOCOL ADHERENCE AND PARTICIPANT SATISFACTION WERE HIGH. YOGA PARTICIPANTS ATTENDED A MEDIAN OF SEVEN CLASSES; ADDITIONALLY, SEVEN OF THE YOGA PARTICIPANTS (54%) REPORTED CONTINUING YOGA AT HOME DURING THE FOLLOW-UP PERIOD. NO SERIOUS ADVERSE EVENTS WERE RELATED TO THE STUDY. SECONDARY OUTCOMES SHOWED NO GROUP EFFECTS OF YOGA COMPARED WITH USUAL CARE. CONCLUSIONS: A RELAXATION-BASED YOGA PROGRAMME WAS FOUND TO BE FEASIBLE AND SAFE FOR PARTICIPANTS WITH RHEUMATOID ARTHRITIS-RELATED PAIN AND FUNCTIONAL DISABILITY. ADVERSE EVENTS WERE MINOR, AND NOT UNEXPECTED FROM AN INTERVENTION INCLUDING PHYSICAL COMPONENTS. THIS PILOT PROVIDES A FRAMEWORK FOR LARGER INTERVENTION STUDIES, AND SUPPORTS FURTHER EXPLORATION OF YOGA AS A COMPLEX INTERVENTION TO ASSIST WITH THE MANAGEMENT OF RHEUMATOID ARTHRITIS. 2018 6 269 65 ADAPTED YOGA TO IMPROVE PHYSICAL FUNCTION AND HEALTH-RELATED QUALITY OF LIFE IN PHYSICALLY-INACTIVE OLDER ADULTS: A RANDOMISED CONTROLLED PILOT TRIAL. BACKGROUND: YOGA IS A HOLISTIC THERAPY OF EXPANDING POPULARITY, WHICH HAS THE POTENTIAL TO PRODUCE A RANGE OF PHYSICAL, MENTAL AND SOCIAL BENEFITS. THIS TRIAL EVALUATED THE FEASIBILITY AND EFFECTS OF AN ADAPTED YOGA PROGRAMME ON PHYSICAL FUNCTION AND HEALTH-RELATED QUALITY OF LIFE IN PHYSICALLY-INACTIVE OLDER ADULTS. METHODS: IN THIS RANDOMISED CONTROLLED PILOT TRIAL, 52 OLDER ADULTS (90% FEMALE; MEAN AGE 74.8 YEARS, SD 7.2) WERE RANDOMISED 1:1 TO A YOGA PROGRAMME OR WAIT-LIST CONTROL. THE YOGA GROUP (N = 25) RECEIVED A PHYSICAL ACTIVITY EDUCATION BOOKLET AND WERE INVITED TO ATTEND TEN YOGA SESSIONS DURING A 12-WEEK PERIOD. THE CONTROL GROUP (N = 27) RECEIVED THE EDUCATION BOOKLET ONLY. MEASURES OF PHYSICAL FUNCTION (E.G., SHORT PHYSICAL PERFORMANCE BATTERY; SPPB), HEALTH STATUS (EQ-5D) AND MENTAL WELL-BEING (WARWICK-EDINBURGH MENTAL WELL-BEING SCALE; WEMWBS) WERE ASSESSED AT BASELINE AND 3 MONTHS. FEASIBILITY WAS ASSESSED USING COURSE ATTENDANCE AND ADVERSE EVENT DATA, AND PARTICIPANT INTERVIEWS. RESULTS: FORTY-SEVEN PARTICIPANTS COMPLETED FOLLOW-UP ASSESSMENTS. MEDIAN CLASS ATTENDANCE WAS 8 (RANGE 3 TO 10). AT THE 3-MONTH FOLLOW-UP, THE YOGA GROUP HAD A HIGHER SPPB TOTAL SCORE COMPARED WITH THE CONTROL GROUP (MEAN DIFFERENCE 0.9, 95% CONFIDENCE INTERVAL [CI] -0.3 TO 2.0), A FASTER TIME TO RISE FROM A CHAIR FIVE TIMES (MEAN DIFFERENCE - 1.73 S, 95% CI -4.08 TO 0.62), AND BETTER PERFORMANCE ON THE CHAIR SIT-AND-REACH LOWER-LIMB FLEXIBILITY TEST (MEAN DIFFERENCE 5 CM, 95% CI 0 TO 10). THE YOGA GROUP ALSO HAD SUPERIOR HEALTH STATUS AND MENTAL WELL-BEING (VS. CONTROL) AT 3 MONTHS, WITH MEAN DIFFERENCES IN EQ-5D AND WEMWBS SCORES OF 0.12 (95% CI, 0.03 TO 0.21) AND 6 (95% CI, 1 TO 11), RESPECTIVELY. THE INTERVIEWS INDICATED THAT PARTICIPANTS VALUED ATTENDING THE YOGA PROGRAMME, AND THAT THEY EXPERIENCED A RANGE OF BENEFITS. CONCLUSIONS: THE ADAPTED YOGA PROGRAMME APPEARED TO BE FEASIBLE AND POTENTIALLY BENEFICIAL IN TERMS OF IMPROVING MENTAL AND SOCIAL WELL-BEING AND ASPECTS OF PHYSICAL FUNCTION IN PHYSICALLY-INACTIVE OLDER ADULTS. AN APPROPRIATELY-POWERED TRIAL IS REQUIRED TO CONFIRM THE FINDINGS OF THE PRESENT STUDY AND TO DETERMINE LONGER-TERM EFFECTS. TRIAL REGISTRATION: CLINICALTRIALS.GOV NCT02663726 . 2017 7 2110 78 THE EFFECT OF YOGA ON SLEEP QUALITY AND INSOMNIA IN WOMEN WITH SLEEP PROBLEMS: A SYSTEMATIC REVIEW AND META-ANALYSIS. BACKGROUND: TO EXAMINE THE EFFECTIVENESS AND SAFETY OF YOGA OF WOMEN WITH SLEEP PROBLEMS BY PERFORMING A SYSTEMATIC REVIEW AND META-ANALYSIS. METHODS: MEDLINE/PUBMED, CLINICALKEY, SCIENCEDIRECT, EMBASE, PSYCINFO, AND THE COCHRANE LIBRARY WERE SEARCHED THROUGHOUT THE MONTH OF JUNE, 2019. RANDOMIZED CONTROLLED TRIALS COMPARING YOGA GROUPS WITH CONTROL GROUPS IN WOMEN WITH SLEEP PROBLEMS WERE INCLUDED. TWO REVIEWERS INDEPENDENTLY EVALUATED RISK OF BIAS BY USING THE RISK OF BIAS TOOL SUGGESTED BY THE COCHRANE COLLABORATION FOR PROGRAMMING AND CONDUCTING SYSTEMATIC REVIEWS AND META-ANALYSES. THE MAIN OUTCOME MEASURE WAS SLEEP QUALITY OR THE SEVERITY OF INSOMNIA, WHICH WAS MEASURED USING SUBJECTIVE INSTRUMENTS, SUCH AS THE PITTSBURGH SLEEP QUALITY INDEX (PSQI), INSOMNIA SEVERITY INDEX (ISI), OR OBJECTIVE INSTRUMENTS SUCH AS POLYSOMNOGRAPHY, ACTIGRAPHY, AND SAFETY OF THE INTERVENTION. FOR EACH OUTCOME, A STANDARDIZED MEAN DIFFERENCE (SMD) AND CONFIDENCE INTERVALS (CIS) OF 95% WERE DETERMINED. RESULTS: NINETEEN STUDIES IN THIS SYSTEMATIC REVIEW INCLUDED 1832 PARTICIPANTS. THE META-ANALYSIS OF THE COMBINED DATA CONDUCTED ACCORDING TO COMPREHENSIVE META-ANALYSIS SHOWED A SIGNIFICANT IMPROVEMENT IN SLEEP (SMD = - 0.327, 95% CI = - 0.506 TO - 0.148, P < 0.001). META-ANALYSES REVEALED POSITIVE EFFECTS OF YOGA USING PSQI SCORES IN 16 RANDOMIZED CONTROL TRIALS (RCTS), COMPARED WITH THE CONTROL GROUP IN IMPROVING SLEEP QUALITY AMONG WOMEN USING PSQI (SMD = - 0.54; 95% CI = - 0.89 TO - 0.19; P = 0.003). HOWEVER, THREE RCTS REVEALED NO EFFECTS OF YOGA COMPARED TO THE CONTROL GROUP IN REDUCING INSOMNIA AMONG WOMEN USING ISI (SMD = - 0.13; 95% CI = - 0.74 TO 0.48; P = 0.69). SEVEN RCTS REVEALED NO EVIDENCE FOR EFFECTS OF YOGA COMPARED WITH THE CONTROL GROUP IN IMPROVING SLEEP QUALITY FOR WOMEN WITH BREAST CANCER USING PSQI (SMD = - 0.15; 95% CI = - 0.31 TO 0.01; P = 0.5). FOUR RCTS REVEALED NO EVIDENCE FOR THE EFFECTS OF YOGA COMPARED WITH THE CONTROL GROUP IN IMPROVING THE SLEEP QUALITY FOR PERI/POSTMENOPAUSAL WOMEN USING PSQI (SMD = - 0.31; 95% CI = - 0.95 TO 0.33; P = 0.34). YOGA WAS NOT ASSOCIATED WITH ANY SERIOUS ADVERSE EVENTS. DISCUSSION: THIS SYSTEMATIC REVIEW AND META-ANALYSIS DEMONSTRATED THAT YOGA INTERVENTION IN WOMEN CAN BE BENEFICIAL WHEN COMPARED TO NON-ACTIVE CONTROL CONDITIONS IN TERM OF MANAGING SLEEP PROBLEMS. THE MODERATOR ANALYSES SUGGEST THAT PARTICIPANTS IN THE NON-BREAST CANCER SUBGROUP AND PARTICIPANTS IN THE NON-PERI/POSTMENOPAUSAL SUBGROUP WERE ASSOCIATED WITH GREATER BENEFITS, WITH A DIRECT CORRELATION OF TOTAL CLASS TIME WITH QUALITY OF SLEEP AMONG OTHER RELATED BENEFITS. 2020 8 2415 56 YOGA AND MEDITATION FOR MENOPAUSAL SYMPTOMS IN BREAST CANCER SURVIVORS-A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: BREAST CANCER SURVIVORS HAVE ONLY VERY LIMITED TREATMENT OPTIONS FOR MENOPAUSAL SYMPTOMS. THE OBJECTIVE OF THIS TRIAL WAS TO EVALUATE THE EFFECTS OF A 12-WEEK TRADITIONAL HATHA YOGA AND MEDITATION INTERVENTION ON MENOPAUSAL SYMPTOMS IN BREAST CANCER SURVIVORS. METHODS: PATIENTS WERE RANDOMLY ASSIGNED EITHER TO A 12-WEEK YOGA AND MEDITATION INTERVENTION OR TO USUAL CARE. THE PRIMARY OUTCOME MEASURE WAS TOTAL MENOPAUSAL SYMPTOMS (MENOPAUSE RATING SCALE [MRS] TOTAL SCORE). SECONDARY OUTCOME MEASURES INCLUDED MRS SUBSCALES, QUALITY OF LIFE (FUNCTIONAL ASSESSMENT OF CANCER THERAPY-BREAST), FATIGUE (FUNCTIONAL ASSESSMENT OF CHRONIC ILLNESS THERAPY-FATIGUE), DEPRESSION, AND ANXIETY (HOSPITAL ANXIETY AND DEPRESSION SCALE). OUTCOMES WERE ASSESSED AT WEEK 12 AND WEEK 24 AFTER RANDOMIZATION. RESULTS: IN TOTAL, 40 WOMEN (MEAN AGE +/- STANDARD DEVIATION, 49.2 +/- 5.9 YEARS) WERE RANDOMIZED TO YOGA (N = 19) OR TO USUAL CARE (N = 21). WOMEN IN THE YOGA GROUP REPORTED SIGNIFICANTLY LOWER TOTAL MENOPAUSAL SYMPTOMS COMPARED WITH THE USUAL CARE GROUP AT WEEK 12 (MEAN DIFFERENCE, -5.6; 95% CONFIDENCE INTERVAL, -9.2 TO -1.9; P = .004) AND AT WEEK 24 (MEAN DIFFERENCE, -4.5; 95% CONFIDENCE INTERVAL, -8.3 TO -0.7; P = .023). AT WEEK 12, THE YOGA GROUP REPORTED LESS SOMATOVEGETATIVE, PSYCHOLOGICAL, AND UROGENITAL MENOPAUSAL SYMPTOMS; LESS FATIGUE; AND IMPROVED QUALITY OF LIFE (ALL P < .05). AT WEEK 24, ALL EFFECTS PERSISTED EXCEPT FOR PSYCHOLOGICAL MENOPAUSAL SYMPTOMS. SHORT-TERM EFFECTS ON MENOPAUSAL SYMPTOMS REMAINED SIGNIFICANT WHEN ONLY WOMEN WHO WERE RECEIVING ANTIESTROGEN MEDICATION (N = 36) WERE ANALYZED. SIX MINOR ADVERSE EVENTS OCCURRED IN EACH GROUP. CONCLUSIONS: YOGA COMBINED WITH MEDITATION CAN BE CONSIDERED A SAFE AND EFFECTIVE COMPLEMENTARY INTERVENTION FOR MENOPAUSAL SYMPTOMS IN BREAST CANCER SURVIVORS. THE EFFECTS SEEM TO PERSIST FOR AT LEAST 3 MONTHS. 2015 9 2330 52 TWELVE WEEKS OF YOGA FOR CHRONIC NONSPECIFIC LOWER BACK PAIN: A META-ANALYSIS. OBJECTIVES: TO INVESTIGATE THE OVERALL EFFECTS OF 12 WEEKS OF YOGA PRACTICE ON CHRONIC NONSPECIFIC LOWER BACK PAIN. METHODS: PUBMED, EMBASE, PSYCINFO, WEB OF SCIENCE, AND THE COCHRANE LIBRARY DATABASES WERE SEARCHED FROM INCEPTION TO FEBRUARY 9, 2019, AND SIX RANDOMIZED CONTROLLED TRIALS WERE SELECTED FOR THIS META-ANALYSIS. RESULTS: THE POOLED FIXED-EFFECT SIZE OF SIX TRIALS SHOWED THAT 12 WEEKS OF YOGA PROGRAMS COULD SIGNIFICANTLY REDUCE CHRONIC NONSPECIFIC LOWER BACK PAIN BY 0.41 WITHIN THE TRIALS (STANDARDIZED MEAN DIFFERENCE; 95% CONFIDENCE INTERVAL: -0.58 TO -0.23; P < .0001). SUBGROUP ANALYSES ALSO SHOWED THAT SIGNIFICANT PAIN REDUCTION WAS RELATED TO TYPE OF YOGA, LENGTH OF SESSION, STUDY QUALITY, AND TIMING OF PAIN ASSESSMENT. CONCLUSIONS: THESE FINDINGS REVEAL THAT 12 WEEKS OF YOGA CAN HELP ALLEVIATE PAIN, AND YOGA PROGRAMS SHOULD TAKE INTO ACCOUNT THE SUBGROUP FACTORS TO INCREASE INDIVIDUALS' RELIEF FROM CHRONIC NONSPECIFIC LOWER BACK PAIN. 2020 10 232 52 A SYSTEMATIC REVIEW OF YOGA FOR MAJOR DEPRESSIVE DISORDER. BACKGROUND: THE PURPOSE OF THIS REVIEW WAS TO INVESTIGATE THE EFFICACY AND SAFETY OF YOGA INTERVENTIONS IN TREATING PATIENTS WITH MAJOR DEPRESSIVE DISORDER. METHODS: MEDLINE, SCOPUS, AND THE COCHRANE LIBRARY WERE SCREENED THROUGH DECEMBER 2016. RANDOMIZED CONTROLLED TRIALS (RCTS) COMPARING YOGA TO INACTIVE OR ACTIVE COMPARATORS IN PATIENTS WITH MAJOR DEPRESSIVE DISORDER WERE ELIGIBLE. PRIMARY OUTCOMES INCLUDED REMISSION RATES AND SEVERITY OF DEPRESSION. ANXIETY AND ADVERSE EVENTS WERE SECONDARY OUTCOMES. RISK OF BIAS WAS ASSESSED USING THE COCHRANE TOOL. RESULTS: SEVEN RCTS WITH 240 PARTICIPANTS WERE INCLUDED. RISK OF BIAS WAS UNCLEAR FOR MOST RCTS. COMPARED TO AEROBIC EXERCISE, NO SHORT- OR MEDIUM-TERM GROUP DIFFERENCES IN DEPRESSION SEVERITY WAS FOUND. HIGHER SHORT-TERM DEPRESSION SEVERITY WAS FOUND FOR YOGA COMPARED TO ELECTRO-CONVULSIVE THERAPY; REMISSION RATES DID NOT DIFFER BETWEEN GROUPS. NO SHORT-TERM GROUP DIFFERENCES OCCURRED WHEN YOGA WAS COMPARED TO ANTIDEPRESSANT MEDICATION. CONFLICTING EVIDENCE WAS FOUND WHEN YOGA WAS COMPARED TO ATTENTION-CONTROL INTERVENTIONS, OR WHEN YOGA AS AN ADD-ON TO ANTIDEPRESSANT MEDICATION WAS COMPARED TO MEDICATION ALONE. ONLY TWO RCTS ASSESSED ADVERSE EVENTS AND REPORTED THAT NO TREATMENT-RELATED ADVERSE EVENTS WERE REPORTED. LIMITATIONS: FEW RCTS WITH LOW SAMPLE SIZE. CONCLUSIONS: THIS REVIEW FOUND SOME EVIDENCE FOR POSITIVE EFFECTS BEYOND PLACEBO AND COMPARABLE EFFECTS COMPARED TO EVIDENCE-BASED INTERVENTIONS. HOWEVER, METHODOLOGICAL PROBLEMS AND THE UNCLEAR RISK-BENEFIT RATIO PRECLUDE DEFINITIVE RECOMMENDATIONS FOR OR AGAINST YOGA AS AN ADJUNCT TREATMENT FOR MAJOR DEPRESSIVE DISORDER. LARGER AND ADEQUATELY POWERED RCTS USING NON-INFERIORITY DESIGNS ARE NEEDED. 2017 11 2558 60 YOGA FOR CHRONIC LOW BACK PAIN IN A PREDOMINANTLY MINORITY POPULATION: A PILOT RANDOMIZED CONTROLLED TRIAL. BACKGROUND: SEVERAL STUDIES SUGGEST YOGA MAY BE EFFECTIVE FOR CHRONIC LOW BACK PAIN; HOWEVER, TRIALS TARGETING MINORITIES HAVE NOT BEEN CONDUCTED. PRIMARY STUDY OBJECTIVES: ASSESS THE FEASIBILITY OF STUDYING YOGA IN A PREDOMINANTLY MINORITY POPULATION WITH CHRONIC LOW BACK PAIN. COLLECT PRELIMINARY DATA TO PLAN A LARGER POWERED STUDY. STUDY DESIGN: PILOT RANDOMIZED CONTROLLED TRIAL. SETTING: TWO COMMUNITY HEALTH CENTERS IN A RACIALLY DIVERSE NEIGHBORHOOD OF BOSTON, MASSACHUSETTS. PARTICIPANTS: THIRTY ENGLISH-SPEAKING ADULTS (MEAN AGE 44 YEARS, 83% FEMALE, 83% RACIAL/ETHNIC MINORITIES; 48% WITH INCOMES < OR = $30,000) WITH MODERATE-TO-SEVERE CHRONIC LOW BACK PAIN. INTERVENTIONS: STANDARDIZED SERIES OF WEEKLY HATHA YOGA CLASSES FOR 12 WEEKS COMPARED TO A WAITLIST USUAL CARE CONTROL. OUTCOME MEASURES: FEASIBILITY MEASURED BY TIME TO COMPLETE ENROLLMENT, PROPORTION OF RACIAL/ETHNIC MINORITIES ENROLLED, RETENTION RATES, AND ADVERSE EVENTS. PRIMARY EFFICACY OUTCOMES WERE CHANGES FROM BASELINE TO 12 WEEKS IN PAIN SCORE (0=NO PAIN TO 10=WORST POSSIBLE PAIN) AND BACK-RELATED FUNCTION USING THE MODIFIED ROLAND-MORRIS DISABILITY QUESTIONNAIRE (0-23 POINT SCALE, HIGHER SCORES REFLECT POORER FUNCTION). SECONDARY EFFICACY OUTCOMES WERE ANALGESIC USE, GLOBAL IMPROVEMENT, AND QUALITY OF LIFE (SF-36). RESULTS: RECRUITMENT TOOK 2 MONTHS. RETENTION RATES WERE 97% AT 12 WEEKS AND 77% AT 26 WEEKS. MEAN PAIN SCORES FOR YOGA DECREASED FROM BASELINE TO 12 WEEKS (6.7 TO 4.4) COMPARED TO USUAL CARE, WHICH DECREASED FROM 7.5 TO 7.1 (P=.02). MEAN ROLAND SCORES FOR YOGA DECREASED FROM 14.5 TO 8.2 COMPARED TO USUAL CARE, WHICH DECREASED FROM 16.1 TO 12.5 (P=.28). AT 12 WEEKS, YOGA COMPARED TO USUAL CARE PARTICIPANTS REPORTED LESS ANALGESIC USE (13% VS 73%, P=.003), LESS OPIATE USE (0% VS 33%, P=.04), AND GREATER OVERALL IMPROVEMENT (73% VS 27%, P=.03). THERE WERE NO DIFFERENCES IN SF-36 SCORES AND NO SERIOUS ADVERSE EVENTS. CONCLUSION: A YOGA STUDY INTERVENTION IN A PREDOMINANTLY MINORITY POPULATION WITH CHRONIC LOW BACK PAIN WAS MODERATELY FEASIBLE AND MAY BE MORE EFFECTIVE THAN USUAL CARE FOR REDUCING PAIN AND PAIN MEDICATION USE. 2009 12 2851 58 YOGA, PHYSICAL THERAPY, AND BACK PAIN EDUCATION FOR SLEEP QUALITY IN LOW-INCOME RACIALLY DIVERSE ADULTS WITH CHRONIC LOW BACK PAIN: A SECONDARY ANALYSIS OF A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: POOR SLEEP IS COMMON AMONG ADULTS WITH CHRONIC LOW BACK PAIN (CLBP), BUT THE INFLUENCE OF CLBP TREATMENTS, SUCH AS YOGA AND PHYSICAL THERAPY (PT), ON SLEEP QUALITY IS UNDER STUDIED. OBJECTIVE: EVALUATE THE EFFECTIVENESS OF YOGA AND PT FOR IMPROVING SLEEP QUALITY IN ADULTS WITH CLBP. DESIGN: SECONDARY ANALYSIS OF A RANDOMIZED CONTROLLED TRIAL. SETTING: ACADEMIC SAFETY-NET HOSPITAL AND 7 AFFILIATED COMMUNITY HEALTH CENTERS. PARTICIPANTS: A TOTAL OF 320 ADULTS WITH CLBP. INTERVENTION: TWELVE WEEKLY YOGA CLASSES, 1-ON-1 PT SESSIONS, OR AN EDUCATIONAL BOOK. MAIN MEASURES: SLEEP QUALITY WAS MEASURED USING THE PITTSBURGH SLEEP QUALITY INDEX (PSQI) GLOBAL SCORE (0-21) AT BASELINE, 12 WEEKS, AND 52 WEEKS. ADDITIONALLY, WE ALSO EVALUATED HOW THE PROPORTION OF PARTICIPANTS WHO ACHIEVED A CLINICALLY MEANINGFUL IMPROVEMENT IN SLEEP QUALITY (> 3-POINT REDUCTION IN PSQI) AT 12 WEEKS VARIED BY CHANGES IN PAIN AND PHYSICAL FUNCTION AT 6 WEEKS. KEY RESULTS: AMONG PARTICIPANTS (MEAN AGE = 46.0, 64% FEMALE, 82% NON-WHITE), NEARLY ALL (92%) REPORTED POOR SLEEP QUALITY (PSQI > 5) AT BASELINE. AT 12 WEEKS, MODEST IMPROVEMENTS IN SLEEP QUALITY WERE OBSERVED AMONG THE YOGA (PSQI MEAN DIFFERENCE [MD] = - 1.19, 95% CONFIDENCE INTERVAL [CI] - 1.82, - 0.55) AND PT (PSQI MD = - 0.91, 95% CI - 1.61, - 0.20) GROUPS. PARTICIPANTS WHO REPORTED A >/= 30% IMPROVEMENT IN PAIN OR PHYSICAL FUNCTION AT 6 WEEKS, COMPARED WITH THOSE WHO IMPROVED < 10%, WERE MORE LIKELY TO BE A SLEEP QUALITY RESPONDER AT 12 WEEKS (ODDS RATIO [OR] = 3.51, 95% CI 1.73, 7.11 AND OR = 2.16, 95% CI 1.18, 3.95, RESPECTIVELY). RESULTS WERE SIMILAR AT 52 WEEKS. CONCLUSION: IN A SAMPLE OF ADULTS WITH CLBP, VIRTUALLY ALL WITH POOR SLEEP QUALITY PRIOR TO INTERVENTION, MODEST BUT STATISTICALLY SIGNIFICANT IMPROVEMENTS IN SLEEP QUALITY WERE OBSERVED WITH BOTH YOGA AND PT. IRRESPECTIVE OF TREATMENT, CLINICALLY IMPORTANT SLEEP IMPROVEMENTS AT THE END OF THE INTERVENTION WERE ASSOCIATED WITH MID-INTERVENTION PAIN AND PHYSICAL FUNCTION IMPROVEMENTS. TRIAL REGISTRATION: CLINICALTRIALS.GOV IDENTIFIER: NCT01343927. 2020 13 2560 65 YOGA FOR CHRONIC LOW BACK PAIN: A RANDOMIZED TRIAL. BACKGROUND: PREVIOUS STUDIES INDICATE THAT YOGA MAY BE AN EFFECTIVE TREATMENT FOR CHRONIC OR RECURRENT LOW BACK PAIN. OBJECTIVE: TO COMPARE THE EFFECTIVENESS OF YOGA AND USUAL CARE FOR CHRONIC OR RECURRENT LOW BACK PAIN. DESIGN: PARALLEL-GROUP, RANDOMIZED, CONTROLLED TRIAL USING COMPUTER-GENERATED RANDOMIZATION CONDUCTED FROM APRIL 2007 TO MARCH 2010. OUTCOMES WERE ASSESSED BY POSTAL QUESTIONNAIRE. (INTERNATIONAL STANDARD RANDOMISED CONTROLLED TRIAL NUMBER REGISTER: ISRCTN 81079604) SETTING: 13 NON-NATIONAL HEALTH SERVICE PREMISES IN THE UNITED KINGDOM. PATIENTS: 313 ADULTS WITH CHRONIC OR RECURRENT LOW BACK PAIN. INTERVENTION: YOGA (N = 156) OR USUAL CARE (N = 157). ALL PARTICIPANTS RECEIVED A BACK PAIN EDUCATION BOOKLET. THE INTERVENTION GROUP WAS OFFERED A 12-CLASS, GRADUALLY PROGRESSING YOGA PROGRAM DELIVERED BY 12 TEACHERS OVER 3 MONTHS. MEASUREMENTS: SCORES ON THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE (RMDQ) AT 3 (PRIMARY OUTCOME), 6, AND 12 (SECONDARY OUTCOMES) MONTHS; PAIN, PAIN SELF-EFFICACY, AND GENERAL HEALTH MEASURES AT 3, 6, AND 12 MONTHS (SECONDARY OUTCOMES). RESULTS: 93 (60%) PATIENTS OFFERED YOGA ATTENDED AT LEAST 3 OF THE FIRST 6 SESSIONS AND AT LEAST 3 OTHER SESSIONS. THE YOGA GROUP HAD BETTER BACK FUNCTION AT 3, 6, AND 12 MONTHS THAN THE USUAL CARE GROUP. THE ADJUSTED MEAN RMDQ SCORE WAS 2.17 POINTS (95% CI, 1.03 TO 3.31 POINTS) LOWER IN THE YOGA GROUP AT 3 MONTHS, 1.48 POINTS (CI, 0.33 TO 2.62 POINTS) LOWER AT 6 MONTHS, AND 1.57 POINTS (CI, 0.42 TO 2.71 POINTS) LOWER AT 12 MONTHS. THE YOGA AND USUAL CARE GROUPS HAD SIMILAR BACK PAIN AND GENERAL HEALTH SCORES AT 3, 6, AND 12 MONTHS, AND THE YOGA GROUP HAD HIGHER PAIN SELF-EFFICACY SCORES AT 3 AND 6 MONTHS BUT NOT AT 12 MONTHS. TWO OF THE 157 USUAL CARE PARTICIPANTS AND 12 OF THE 156 YOGA PARTICIPANTS REPORTED ADVERSE EVENTS, MOSTLY INCREASED PAIN. LIMITATION: THERE WERE MISSING DATA FOR THE PRIMARY OUTCOME (YOGA GROUP, N = 21; USUAL CARE GROUP, N = 18) AND DIFFERENTIAL MISSING DATA (MORE IN THE YOGA GROUP) FOR SECONDARY OUTCOMES. CONCLUSION: OFFERING A 12-WEEK YOGA PROGRAM TO ADULTS WITH CHRONIC OR RECURRENT LOW BACK PAIN LED TO GREATER IMPROVEMENTS IN BACK FUNCTION THAN DID USUAL CARE. PRIMARY FUNDING SOURCE: ARTHRITIS RESEARCH UK. 2011 14 2543 109 YOGA FOR ASTHMA. BACKGROUND: ASTHMA IS A COMMON CHRONIC INFLAMMATORY DISORDER AFFECTING ABOUT 300 MILLION PEOPLE WORLDWIDE. AS A HOLISTIC THERAPY, YOGA HAS THE POTENTIAL TO RELIEVE BOTH THE PHYSICAL AND PSYCHOLOGICAL SUFFERING OF PEOPLE WITH ASTHMA, AND ITS POPULARITY HAS EXPANDED GLOBALLY. A NUMBER OF CLINICAL TRIALS HAVE BEEN CARRIED OUT TO EVALUATE THE EFFECTS OF YOGA PRACTICE, WITH INCONSISTENT RESULTS. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA IN PEOPLE WITH ASTHMA. SEARCH METHODS: WE SYSTEMATICALLY SEARCHED THE COCHRANE AIRWAYS GROUP REGISTER OF TRIALS, WHICH IS DERIVED FROM SYSTEMATIC SEARCHES OF BIBLIOGRAPHIC DATABASES INCLUDING THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL), MEDLINE, EMBASE, CINAHL, AMED, AND PSYCINFO, AND HANDSEARCHING OF RESPIRATORY JOURNALS AND MEETING ABSTRACTS. WE ALSO SEARCHED PEDRO. WE SEARCHED CLINICALTRIALS.GOV AND THE WHO ICTRP SEARCH PORTAL. WE SEARCHED ALL DATABASES FROM THEIR INCEPTION TO 22 JULY 2015, AND USED NO RESTRICTION ON LANGUAGE OF PUBLICATION. WE CHECKED THE REFERENCE LISTS OF ELIGIBLE STUDIES AND RELEVANT REVIEW ARTICLES FOR ADDITIONAL STUDIES. WE ATTEMPTED TO CONTACT INVESTIGATORS OF ELIGIBLE STUDIES AND EXPERTS IN THE FIELD TO LEARN OF OTHER PUBLISHED AND UNPUBLISHED STUDIES. SELECTION CRITERIA: WE INCLUDED RANDOMISED CONTROLLED TRIALS (RCTS) THAT COMPARED YOGA WITH USUAL CARE (OR NO INTERVENTION) OR SHAM INTERVENTION IN PEOPLE WITH ASTHMA AND REPORTED AT LEAST ONE OF THE FOLLOWING OUTCOMES: QUALITY OF LIFE, ASTHMA SYMPTOM SCORE, ASTHMA CONTROL, LUNG FUNCTION MEASURES, ASTHMA MEDICATION USAGE, AND ADVERSE EVENTS. DATA COLLECTION AND ANALYSIS: WE EXTRACTED BIBLIOGRAPHIC INFORMATION, CHARACTERISTICS OF PARTICIPANTS, CHARACTERISTICS OF INTERVENTIONS AND CONTROLS, CHARACTERISTICS OF METHODOLOGY, AND RESULTS FOR THE OUTCOMES OF OUR INTEREST FROM ELIGIBLE STUDIES. FOR CONTINUOUS OUTCOMES, WE USED MEAN DIFFERENCE (MD) WITH 95% CONFIDENCE INTERVAL (CI) TO DENOTE THE TREATMENT EFFECTS, IF THE OUTCOMES WERE MEASURED BY THE SAME SCALE ACROSS STUDIES. ALTERNATIVELY, IF THE OUTCOMES WERE MEASURED BY DIFFERENT SCALES ACROSS STUDIES, WE USED STANDARDISED MEAN DIFFERENCE (SMD) WITH 95% CI. FOR DICHOTOMOUS OUTCOMES, WE USED RISK RATIO (RR) WITH 95% CI TO MEASURE THE TREATMENT EFFECTS. WE PERFORMED META-ANALYSIS WITH REVIEW MANAGER 5.3. WE USED THE FIXED-EFFECT MODEL TO POOL THE DATA, UNLESS THERE WAS SUBSTANTIAL HETEROGENEITY AMONG STUDIES, IN WHICH CASE WE USED THE RANDOM-EFFECTS MODEL INSTEAD. FOR OUTCOMES INAPPROPRIATE OR IMPOSSIBLE TO POOL QUANTITATIVELY, WE CONDUCTED A DESCRIPTIVE ANALYSIS AND SUMMARISED THE FINDINGS NARRATIVELY. MAIN RESULTS: WE INCLUDED 15 RCTS WITH A TOTAL OF 1048 PARTICIPANTS. MOST OF THE TRIALS WERE CONDUCTED IN INDIA, FOLLOWED BY EUROPE AND THE UNITED STATES. THE MAJORITY OF PARTICIPANTS WERE ADULTS OF BOTH SEXES WITH MILD TO MODERATE ASTHMA FOR SIX MONTHS TO MORE THAN 23 YEARS. FIVE STUDIES INCLUDED YOGA BREATHING ALONE, WHILE THE OTHER STUDIES ASSESSED YOGA INTERVENTIONS THAT INCLUDED BREATHING, POSTURE, AND MEDITATION. INTERVENTIONS LASTED FROM TWO WEEKS TO 54 MONTHS, FOR NO MORE THAN SIX MONTHS IN THE MAJORITY OF STUDIES. THE RISK OF BIAS WAS LOW ACROSS ALL DOMAINS IN ONE STUDY AND UNCLEAR OR HIGH IN AT LEAST ONE DOMAIN FOR THE REMAINDER.THERE WAS SOME EVIDENCE THAT YOGA MAY IMPROVE QUALITY OF LIFE (MD IN ASTHMA QUALITY OF LIFE QUESTIONNAIRE (AQLQ) SCORE PER ITEM 0.57 UNITS ON A 7-POINT SCALE, 95% CI 0.37 TO 0.77; 5 STUDIES; 375 PARTICIPANTS), IMPROVE SYMPTOMS (SMD 0.37, 95% CI 0.09 TO 0.65; 3 STUDIES; 243 PARTICIPANTS), AND REDUCE MEDICATION USAGE (RR 5.35, 95% CI 1.29 TO 22.11; 2 STUDIES) IN PEOPLE WITH ASTHMA. THE MD FOR AQLQ SCORE EXCEEDED THE MINIMAL CLINICALLY IMPORTANT DIFFERENCE (MCID) OF 0.5, BUT WHETHER THE MEAN CHANGES EXCEEDED THE MCID FOR ASTHMA SYMPTOMS IS UNCERTAIN DUE TO THE LACK OF AN ESTABLISHED MCID IN THE SEVERITY SCORES USED IN THE INCLUDED STUDIES. THE EFFECTS OF YOGA ON CHANGE FROM BASELINE FORCED EXPIRATORY VOLUME IN ONE SECOND (MD 0.04 LITRES, 95% CI -0.10 TO 0.19; 7 STUDIES; 340 PARTICIPANTS; I(2) = 68%) WERE NOT STATISTICALLY SIGNIFICANT. TWO STUDIES INDICATED IMPROVED ASTHMA CONTROL, BUT DUE TO VERY SIGNIFICANT HETEROGENEITY (I(2) = 98%) WE DID NOT POOL DATA. NO SERIOUS ADVERSE EVENTS ASSOCIATED WITH YOGA WERE REPORTED, BUT THE DATA ON THIS OUTCOME WAS LIMITED. AUTHORS' CONCLUSIONS: WE FOUND MODERATE-QUALITY EVIDENCE THAT YOGA PROBABLY LEADS TO SMALL IMPROVEMENTS IN QUALITY OF LIFE AND SYMPTOMS IN PEOPLE WITH ASTHMA. THERE IS MORE UNCERTAINTY ABOUT POTENTIAL ADVERSE EFFECTS OF YOGA AND ITS IMPACT ON LUNG FUNCTION AND MEDICATION USAGE. RCTS WITH A LARGE SAMPLE SIZE AND HIGH METHODOLOGICAL AND REPORTING QUALITY ARE NEEDED TO CONFIRM THE EFFECTS OF YOGA FOR ASTHMA. 2016 15 1859 51 RANDOMIZED CONTROLLED PILOT TRIAL OF YOGA IN OVERWEIGHT AND OBESE BREAST CANCER SURVIVORS: EFFECTS ON QUALITY OF LIFE AND ANTHROPOMETRIC MEASURES. PURPOSE: TO OBTAIN ESTIMATES OF TIME TO RECRUIT THE STUDY SAMPLE, RETENTION, FACILITY-BASED CLASS ATTENDANCE AND HOME PRACTICE FOR A STUDY OF YOGA IN BREAST CANCER SURVIVORS, AND ITS EFFICACY ON FATIGUE, QUALITY OF LIFE (QOL), AND WEIGHT CHANGE. METHODS: SIXTY-THREE POST-TREATMENT STAGES 0-III BORDERLINE OVERWEIGHT AND OBESE (BODY MASS INDEX >/= 24 KG/M(2)) BREAST CANCER SURVIVORS WERE RANDOMLY ASSIGNED TO A 6-MONTH, FACILITY- AND HOME-BASED VINIYOGA INTERVENTION (N = 32) OR A WAITLIST CONTROL GROUP (N = 31). THE YOGA GOAL WAS FIVE PRACTICES PER WEEK. PRIMARY OUTCOME MEASURES WERE CHANGES IN QOL, FATIGUE, AND WEIGHT FROM BASELINE TO 6 MONTHS. SECONDARY OUTCOMES INCLUDED CHANGES IN WAIST AND HIP CIRCUMFERENCE. RESULTS: IT TOOK 12 MONTHS TO COMPLETE RECRUITMENT. PARTICIPANTS ATTENDED A MEAN OF 19.6 CLASSES AND PRACTICED AT HOME A MEAN OF 55.8 TIMES DURING THE 6-MONTH PERIOD. AT FOLLOW-UP, 90% OF PARTICIPANTS COMPLETED QUESTIONNAIRES AND 87% COMPLETED ANTHROPOMETRIC MEASUREMENTS. QOL AND FATIGUE IMPROVED TO A GREATER EXTENT AMONG WOMEN IN THE YOGA GROUP RELATIVE TO WOMEN IN THE CONTROL GROUP, ALTHOUGH NO DIFFERENCES WERE STATISTICALLY SIGNIFICANT. WAIST CIRCUMFERENCE DECREASED 3.1 CM (95% CI, -5.7 AND -0.4) MORE AMONG WOMEN IN THE YOGA COMPARED WITH THE CONTROL GROUP, WITH NO DIFFERENCE IN WEIGHT CHANGE. CONCLUSIONS: THIS STUDY PROVIDES IMPORTANT INFORMATION REGARDING RECRUITMENT, RETENTION, AND PRACTICE LEVELS ACHIEVED DURING A 6-MONTH, INTENSIVE YOGA INTERVENTION IN OVERWEIGHT AND OBESE BREAST CANCER SURVIVORS. YOGA MAY HELP DECREASE WAIST CIRCUMFERENCE AND IMPROVE QUALITY OF LIFE; FUTURE STUDIES ARE NEEDED TO CONFIRM THESE RESULTS. 2012 16 193 57 A RANDOMIZED TRIAL COMPARING YOGA, STRETCHING, AND A SELF-CARE BOOK FOR CHRONIC LOW BACK PAIN. BACKGROUND: CHRONIC LOW BACK PAIN IS A COMMON PROBLEM LACKING HIGHLY EFFECTIVE TREATMENT OPTIONS. SMALL TRIALS SUGGEST THAT YOGA MAY HAVE BENEFITS FOR THIS CONDITION. THIS TRIAL WAS DESIGNED TO DETERMINE WHETHER YOGA IS MORE EFFECTIVE THAN CONVENTIONAL STRETCHING EXERCISES OR A SELF-CARE BOOK FOR PRIMARY CARE PATIENTS WITH CHRONIC LOW BACK PAIN. METHODS: A TOTAL OF 228 ADULTS WITH CHRONIC LOW BACK PAIN WERE RANDOMIZED TO 12 WEEKLY CLASSES OF YOGA (92 PATIENTS) OR CONVENTIONAL STRETCHING EXERCISES (91 PATIENTS) OR A SELF-CARE BOOK (45 PATIENTS). BACK-RELATED FUNCTIONAL STATUS (MODIFIED ROLAND DISABILITY QUESTIONNAIRE, A 23-POINT SCALE) AND BOTHERSOMENESS OF PAIN (AN 11-POINT NUMERICAL SCALE) AT 12 WEEKS WERE THE PRIMARY OUTCOMES. OUTCOMES WERE ASSESSED AT BASELINE, 6, 12, AND 26 WEEKS BY INTERVIEWERS UNAWARE OF TREATMENT GROUP. RESULTS: AFTER ADJUSTMENT FOR BASELINE VALUES, 12-WEEK OUTCOMES FOR THE YOGA GROUP WERE SUPERIOR TO THOSE FOR THE SELF-CARE GROUP (MEAN DIFFERENCE FOR FUNCTION, -2.5 [95% CI, -3.7 TO -1.3]; P < .001; MEAN DIFFERENCE FOR SYMPTOMS, -1.1 [95% CI, -1.7 TO -0.4]; P < .001). AT 26 WEEKS, FUNCTION FOR THE YOGA GROUP REMAINED SUPERIOR (MEAN DIFFERENCE, -1.8 [95% CI, -3.1 TO -0.5]; P < .001). YOGA WAS NOT SUPERIOR TO CONVENTIONAL STRETCHING EXERCISES AT ANY TIME POINT. CONCLUSION: YOGA CLASSES WERE MORE EFFECTIVE THAN A SELF-CARE BOOK, BUT NOT MORE EFFECTIVE THAN STRETCHING CLASSES, IN IMPROVING FUNCTION AND REDUCING SYMPTOMS DUE TO CHRONIC LOW BACK PAIN, WITH BENEFITS LASTING AT LEAST SEVERAL MONTHS. TRIAL REGISTRATION: CLINICALTRIALS.GOV IDENTIFIER: NCT00447668. 2011 17 1942 50 SAFETY AND FEASIBILITY OF MODIFIED CHAIR-YOGA ON FUNCTIONAL OUTCOME AMONG ELDERLY AT RISK FOR FALLS. FALLS ARE AMONG THE MOST COMMON PROBLEMS AFFECTING OLDER ADULTS. AT LEAST 50% OF THOSE OVER THE AGE OF 80 FALL ANNUALLY. THE GOAL OF THIS PILOT STUDY WAS TO ASSESS THE SAFETY AND FEASIBILITY OF STRUCTURED YOGA IN AN ELDERLY POPULATION WITH FALL RISK. SENIORS AT RISK FOR FALLS WERE IDENTIFIED AND ENROLLED IN A SINGLE ARM PILOT TRIAL. A CHAIR BASED YOGA PROGRAM WAS PROVIDED TWICE A WEEK FOR 8 WEEKS. THE PROGRAM WAS DESIGNED FROM PREVIOUSLY PUBLISHED PILOT DATA. A BATTERY OF VALIDATED INSTRUMENTS WAS ADMINISTERED AT BASELINE AND WEEK EIGHT AND WAS USED TO IDENTIFY WHICH INSTRUMENTS MAY BE SENSITIVE TO CHANGE AS A RESULT OF A YOGA PROGRAM. AMONG SIXTEEN SENIORS (MEDIAN AGE OF 88) WITH A PREVIOUS HISTORY OF FALLS, 87% PROVIDED DATA FOR ASSESSMENT AT THE END OF THE INTERVENTION. TWO PATIENTS WITHDREW, ONE DUE TO A FALL OUTSIDE THE INSTITUTION AND THE OTHER DUE TO LACK OF TIME AND INTEREST. THERE WERE NO ADVERSE EVENTS DURING THE YOGA SESSIONS. PAIRED-T TESTS COMPARED PRE-POST CHANGES AND GAINS WERE NOTED IN FEAR OF FALLING (5.27 TO 2.60; P = 0.029) AND SPPB SIT TO STAND SUBSCALE (0.31 TO 1.00; P =.022). IMPROVED TRENDS WERE NOTED IN ANXIETY AND THE TIMED UP AND GO ASSESSMENTS. WE FOUND THE MODIFIED CHAIR-YOGA PROGRAM IS SAFE AND RECRUITMENT IS FEASIBLE. OUR DATA SUGGESTS THAT YOGA MAY BE BENEFICIAL IN IMPROVING MOBILITY AND REDUCING FEAR OF FALLING WHICH WARRANTS ADDITIONAL RESEARCH VIA RANDOMIZED CONTROLLED TRIAL. 2012 18 1379 45 IMPACT OF IYENGAR YOGA ON QUALITY OF LIFE IN YOUNG WOMEN WITH RHEUMATOID ARTHRITIS. OBJECTIVE: RHEUMATOID ARTHRITIS (RA) IS A CHRONIC, DISABLING DISEASE THAT CAN GREATLY COMPROMISE HEALTH-RELATED QUALITY OF LIFE (HRQOL). THE AIM OF THIS STUDY WAS TO ASSESS THE IMPACT OF A 6-WEEK TWICE/WEEK IYENGAR YOGA PROGRAM ON HRQOL OF YOUNG ADULTS WITH RA COMPARED WITH A USUAL-CARE WAITLIST CONTROL GROUP. METHODS: THE PROGRAM WAS DESIGNED TO IMPROVE THE PRIMARY OUTCOME OF HRQOL INCLUDING PAIN AND DISABILITY AND PSYCHOLOGICAL FUNCTIONING IN PATIENTS. ASSESSMENTS WERE COLLECTED PRETREATMENT, POSTTREATMENT, AND AT 2 MONTHS AFTER TREATMENT. WEEKLY RATINGS OF ANXIETY, DEPRESSION, PAIN, AND SLEEP WERE ALSO RECORDED. A TOTAL OF 26 PARTICIPANTS COMPLETED THE INTERVENTION (YOGA=11; USUAL-CARE WAITLIST=15). ALL PARTICIPANTS WERE FEMALE (MEAN AGE=28 Y). RESULTS: OVERALL ATTRITION WAS LOW AT 15%. ON AVERAGE, WOMEN IN THE YOGA GROUP ATTENDED 96% OF THE YOGA CLASSES. NO ADVERSE EVENTS WERE REPORTED. RELATIVE TO THE USUAL-CARE WAITLIST, WOMEN ASSIGNED TO THE YOGA PROGRAM SHOWED SIGNIFICANTLY GREATER IMPROVEMENT ON STANDARDIZED MEASURES OF HRQOL, PAIN DISABILITY, GENERAL HEALTH, MOOD, FATIGUE, ACCEPTANCE OF CHRONIC PAIN, AND SELF-EFFICACY REGARDING PAIN AT POSTTREATMENT. ALMOST HALF OF THE YOGA GROUP REPORTED CLINICALLY MEANINGFUL SYMPTOM IMPROVEMENT. ANALYSIS OF THE UNCONTROLLED EFFECTS AND MAINTENANCE OF TREATMENT EFFECTS SHOWED IMPROVEMENTS IN HRQOL GENERAL HEALTH, PAIN DISABILITY, AND WEEKLY RATINGS OF PAIN, ANXIETY, AND DEPRESSION WERE MAINTAINED AT FOLLOW-UP. CONCLUSIONS: THE FINDINGS SUGGEST THAT A BRIEF IYENGAR YOGA INTERVENTION IS A FEASIBLE AND SAFE ADJUNCTIVE TREATMENT FOR YOUNG PEOPLE WITH RA, LEADING TO HRQOL, PAIN DISABILITY, FATIGUE, AND MOOD BENEFITS. MOREOVER, IMPROVEMENTS IN QUALITY OF LIFE, PAIN DISABILITY, AND MOOD PERSISTED AT THE 2-MONTH FOLLOW-UP. 2013 19 2165 76 THE EFFECTS OF YOGA COMPARED TO ACTIVE AND INACTIVE CONTROLS ON PHYSICAL FUNCTION AND HEALTH RELATED QUALITY OF LIFE IN OLDER ADULTS- SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMISED CONTROLLED TRIALS. BACKGROUND: YOGA HAS BEEN RECOMMENDED AS A MUSCLE STRENGTHENING AND BALANCE ACTIVITY IN NATIONAL AND GLOBAL PHYSICAL ACTIVITY GUIDELINES. HOWEVER, THE EVIDENCE BASE ESTABLISHING THE EFFECTIVENESS OF YOGA IN IMPROVING PHYSICAL FUNCTION AND HEALTH RELATED QUALITY OF LIFE (HRQOL) IN AN OLDER ADULT POPULATION NOT RECRUITED ON THE BASIS OF ANY SPECIFIC DISEASE OR CONDITION, HAS NOT BEEN SYSTEMATICALLY REVIEWED. THE OBJECTIVE OF THIS STUDY WAS TO SYNTHESISE EXISTING EVIDENCE ON THE EFFECTS OF YOGA ON PHYSICAL FUNCTION AND HRQOL IN OLDER ADULTS NOT CHARACTERISED BY ANY SPECIFIC CLINICAL CONDITION. METHODS: THE FOLLOWING DATABASES WERE SYSTEMATICALLY SEARCHED IN SEPTEMBER 2017: MEDLINE, PSYCINFO, CINAHL PLUS, SCOPUS, WEB OF SCIENCE, COCHRANE LIBRARY, EMBASE, SPORTDISCUS, AMED AND PROQUEST DISSERTATIONS & THESES GLOBAL. STUDY INCLUSION CRITERIA: OLDER ADULT PARTICIPANTS WITH MEAN AGE OF 60 YEARS AND ABOVE, NOT RECRUITED ON THE BASIS OF ANY SPECIFIC DISEASE OR CONDITION; YOGA INTERVENTION COMPARED WITH INACTIVE CONTROLS (EXAMPLE: WAIT-LIST CONTROL, EDUCATION BOOKLETS) OR ACTIVE CONTROLS (EXAMPLE: WALKING, CHAIR AEROBICS); PHYSICAL FUNCTION AND HRQOL OUTCOMES; AND RANDOMISED/CLUSTER RANDOMISED CONTROLLED TRIALS PUBLISHED IN ENGLISH. A VOTE COUNTING ANALYSIS AND META-ANALYSIS WITH STANDARDISED EFFECT SIZES (HEDGES' G) COMPUTED USING RANDOM EFFECTS MODELS WERE CONDUCTED. RESULTS: A TOTAL OF 27 RECORDS FROM 22 RCTS WERE INCLUDED (17 RCTS ASSESSED PHYSICAL FUNCTION AND 20 ASSESSED HRQOL). THE META-ANALYSIS REVEALED SIGNIFICANT EFFECTS (5% LEVEL OF SIGNIFICANCE) FAVOURING THE YOGA GROUP FOR THE FOLLOWING PHYSICAL FUNCTION OUTCOMES COMPARED WITH INACTIVE CONTROLS: BALANCE (EFFECT SIZE (ES) = 0.7), LOWER BODY FLEXIBILITY (ES = 0.5), LOWER LIMB STRENGTH (ES = 0.45); COMPARED WITH ACTIVE CONTROLS: LOWER LIMB STRENGTH (ES = 0.49), LOWER BODY FLEXIBILITY (ES = 0.28). FOR HRQOL, SIGNIFICANT EFFECTS FAVOURING YOGA WERE FOUND COMPARED TO INACTIVE CONTROLS FOR: DEPRESSION (ES = 0.64), PERCEIVED MENTAL HEALTH (ES = 0.6), PERCEIVED PHYSICAL HEALTH (ES = 0.61), SLEEP QUALITY (ES = 0.65), AND VITALITY (ES = 0.31); COMPARED TO ACTIVE CONTROLS: DEPRESSION (ES = 0.54). CONCLUSION: THIS REVIEW IS THE FIRST TO COMPARE THE EFFECTS OF YOGA WITH ACTIVE AND INACTIVE CONTROLS IN OLDER ADULTS NOT CHARACTERISED BY A SPECIFIC CLINICAL CONDITION. RESULTS INDICATE THAT YOGA INTERVENTIONS IMPROVE MULTIPLE PHYSICAL FUNCTION AND HRQOL OUTCOMES IN THIS POPULATION COMPARED TO BOTH CONTROL CONDITIONS. THIS STUDY PROVIDES ROBUST EVIDENCE FOR PROMOTING YOGA IN PHYSICAL ACTIVITY GUIDELINES FOR OLDER ADULTS AS A MULTIMODAL ACTIVITY THAT IMPROVES ASPECTS OF FITNESS LIKE STRENGTH, BALANCE AND FLEXIBILITY, AS WELL AS MENTAL WELLBEING. TRIAL REGISTRATION: PROSPERO REGISTRATION NUMBER: CRD42016038052 . 2019 20 521 59 COMPARING YOGA, EXERCISE, AND A SELF-CARE BOOK FOR CHRONIC LOW BACK PAIN: A RANDOMIZED, CONTROLLED TRIAL. BACKGROUND: CHRONIC LOW BACK PAIN IS A COMMON PROBLEM THAT HAS ONLY MODESTLY EFFECTIVE TREATMENT OPTIONS. OBJECTIVE: TO DETERMINE WHETHER YOGA IS MORE EFFECTIVE THAN CONVENTIONAL THERAPEUTIC EXERCISE OR A SELF-CARE BOOK FOR PATIENTS WITH CHRONIC LOW BACK PAIN. DESIGN: RANDOMIZED, CONTROLLED TRIAL. SETTING: A NONPROFIT, INTEGRATED HEALTH CARE SYSTEM. PATIENTS: 101 ADULTS WITH CHRONIC LOW BACK PAIN. INTERVENTION: 12-WEEK SESSIONS OF YOGA OR CONVENTIONAL THERAPEUTIC EXERCISE CLASSES OR A SELF-CARE BOOK. MEASUREMENTS: PRIMARY OUTCOMES WERE BACK-RELATED FUNCTIONAL STATUS (MODIFIED 24-POINT ROLAND DISABILITY SCALE) AND "BOTHERSOMENESS" OF PAIN (11-POINT NUMERICAL SCALE). THE PRIMARY TIME POINT WAS 12 WEEKS. CLINICALLY SIGNIFICANT CHANGE WAS CONSIDERED TO BE 2.5 POINTS ON THE FUNCTIONAL STATUS SCALE AND 1.5 POINTS ON THE BOTHERSOMENESS SCALE. SECONDARY OUTCOMES WERE DAYS OF RESTRICTED ACTIVITY, GENERAL HEALTH STATUS, AND MEDICATION USE. RESULTS: AFTER ADJUSTMENT FOR BASELINE VALUES, BACK-RELATED FUNCTION IN THE YOGA GROUP WAS SUPERIOR TO THE BOOK AND EXERCISE GROUPS AT 12 WEEKS (YOGA VS. BOOK: MEAN DIFFERENCE, -3.4 [95% CI, -5.1 TO - 1.6] [P < 0.001]; YOGA VS. EXERCISE: MEAN DIFFERENCE, -1.8 [CI, -3.5 TO - 0.1] [P = 0.034]). NO SIGNIFICANT DIFFERENCES IN SYMPTOM BOTHERSOMENESS WERE FOUND BETWEEN ANY 2 GROUPS AT 12 WEEKS; AT 26 WEEKS, THE YOGA GROUP WAS SUPERIOR TO THE BOOK GROUP WITH RESPECT TO THIS MEASURE (MEAN DIFFERENCE, -2.2 [CI, -3.2 TO - 1.2]; P < 0.001). AT 26 WEEKS, BACK-RELATED FUNCTION IN THE YOGA GROUP WAS SUPERIOR TO THE BOOK GROUP (MEAN DIFFERENCE, -3.6 [CI, -5.4 TO - 1.8]; P < 0.001). LIMITATIONS: PARTICIPANTS IN THIS STUDY WERE FOLLOWED FOR ONLY 26 WEEKS AFTER RANDOMIZATION. ONLY 1 INSTRUCTOR DELIVERED EACH INTERVENTION. CONCLUSIONS: YOGA WAS MORE EFFECTIVE THAN A SELF-CARE BOOK FOR IMPROVING FUNCTION AND REDUCING CHRONIC LOW BACK PAIN, AND THE BENEFITS PERSISTED FOR AT LEAST SEVERAL MONTHS. 2005