1 510 135 COMPARATIVE IMPACTS OF TAI CHI, BALANCE TRAINING, AND A SPECIALLY-DESIGNED YOGA PROGRAM ON BALANCE IN OLDER FALLERS. OBJECTIVE: TO COMPARE THE EFFECT OF A CUSTOM-DESIGNED YOGA PROGRAM WITH 2 OTHER BALANCE TRAINING PROGRAMS. DESIGN: RANDOMIZED CONTROLLED TRIAL. SETTING: RESEARCH LABORATORY. PARTICIPANTS: A GROUP OF OLDER ADULTS (N=39; MEAN AGE, 74.15 +/- 6.99 Y) WITH A HISTORY OF FALLING. INTERVENTIONS: THREE DIFFERENT EXERCISE INTERVENTIONS (TAI CHI, STANDARD BALANCE TRAINING, YOGA) WERE GIVEN FOR 12 WEEKS. MAIN OUTCOME MEASURES: BALANCE PERFORMANCE WAS EXAMINED DURING PRE- AND POSTTEST USING FIELD TESTS, INCLUDING THE 8-FOOT UP-AND-GO TEST, 1-LEG STANCE, FUNCTIONAL REACH, AND USUAL AND MAXIMAL WALKING SPEED. THE STATIC AND DYNAMIC BALANCES WERE ALSO ASSESSED BY POSTURAL SWAY AND DYNAMIC POSTUROGRAPHY, RESPECTIVELY. RESULTS: TRAINING PRODUCED SIGNIFICANT IMPROVEMENTS IN ALL FIELD TESTS (P<.005), BUT GROUP DIFFERENCE AND TIME X GROUP INTERACTION WERE NOT DETECTED. FOR POSTURAL SWAY, SIGNIFICANT DECREASES IN THE AREA OF THE CENTER OF PRESSURE WITH EYES OPEN (P=.001) AND EYES CLOSED (P=.002) WERE DETECTED AFTER TRAINING. FOR EYES OPEN, MAXIMUM MEDIAL-LATERAL VELOCITY SIGNIFICANTLY DECREASED FOR THE SAMPLE (P=.013). FOR EYES CLOSED, MEDIAL-LATERAL DISPLACEMENT DECREASED FOR TAI CHI (P<.01). FOR DYNAMIC POSTUROGRAPHY, SIGNIFICANT IMPROVEMENTS IN OVERALL SCORE (P=.001), TIME ON THE TEST (P=.006), AND 2 LINEAR MEASURES IN LATERAL (P=.001) AND ANTERIOR-POSTERIOR (P<.001) DIRECTIONS WERE SEEN FOR THE SAMPLE. CONCLUSIONS: YOGA WAS AS EFFECTIVE AS TAI CHI AND STANDARD BALANCE TRAINING FOR IMPROVING POSTURAL STABILITY AND MAY OFFER AN ALTERNATIVE TO MORE TRADITIONAL PROGRAMS. 2014 2 2027 39 TAI CHI AND YOGA FOR IMPROVING BALANCE ON ONE LEG: A NEUROIMAGING AND BIOMECHANICS STUDY. THE ONE-LEG STANCE IS FREQUENTLY USED IN BALANCE TRAINING AND REHABILITATION PROGRAMS FOR VARIOUS BALANCE DISORDERS. THERE ARE SOME TYPICAL ONE-LEG STANCE POSTURES IN TAI CHI (TC) AND YOGA, WHICH ARE NORMALLY USED FOR IMPROVING BALANCE. HOWEVER, THE MECHANISM IS POORLY UNDERSTOOD. BESIDES, THE DIFFERENCES OF ONE-LEG STANCE POSTURES BETWEEN TC AND YOGA IN TRAINING BALANCE ARE STILL UNKNOWN. THEREFORE, THE AIM OF THE PRESENT STUDY WAS TO INVESTIGATE CORTICAL ACTIVATION AND RAMBLING AND TREMBLING TRAJECTORIES TO ELUCIDATE THE POSSIBLE MECHANISM OF IMPROVING ONE-LEG STANCE BALANCE, AND COMPARE THE POSTURAL DEMANDS DURING ONE-LEG STANCE POSTURES BETWEEN TC AND YOGA. THIRTY-TWO HEALTHY YOUNG INDIVIDUALS WERE RECRUITED TO PERFORM TWO TC ONE-LEG STANCE POSTURES, I.E., RIGHT HEEL KICK (RHK) AND LEFT LOWER BODY AND STAND ON ONE LEG (LSOL), TWO YOGA POSTURES, I.E., ONE-LEG BALANCE AND TREE, AND NORMAL ONE-LEG STANDING (OLS). BRAIN ACTIVATION IN THE PRIMARY MOTOR CORTEX, SUPPLEMENTARY MOTOR AREA (SMA), AND DORSOLATERAL PREFRONTAL CORTEX (DLPFC) WAS MEASURED USING FUNCTIONAL NEAR-INFRARED SPECTROSCOPY. THE CENTER OF PRESSURE WAS SIMULTANEOUSLY RECORDED USING A FORCE PLATFORM AND DECOMPOSED INTO RAMBLING AND TREMBLING COMPONENTS. ONE-WAY REPEATED-MEASURES ANALYSIS OF VARIANCE WAS USED FOR THE MAIN EFFECTS. THE RELATIVE CONCENTRATION CHANGES OF OXYGENATED HEMOGLOBIN (DELTAHBO) IN SMA WERE SIGNIFICANTLY HIGHER DURING RHK, LSOL, AND TREE THAN THAT DURING OLS (P < 0.001). RHK (P < 0.001), LSOL (P = 0.003), AND TREE (P = 0.006) ALL SHOWED SIGNIFICANTLY LARGER ROOT MEAN SQUARE RAMBLING (RMRMS) THAN THAT DURING OLS IN THE MEDIAL-LATERAL DIRECTION. THE RIGHT DLPFC ACTIVATION WAS SIGNIFICANTLY GREATER DURING THE RHK THAN THAT DURING THE TREE (P = 0.023), OLB (P < 0.001), AND OLS (P = 0.013) POSTURES. IN CONCLUSION, THE RHK, LSOL, AND TREE COULD BE USED AS TRAINING MOVEMENTS FOR PEOPLE WITH IMPAIRED BALANCE. FURTHERMORE, THE RHK IN TC MAY PROVIDE MORE COGNITIVE TRAINING IN POSTURAL CONTROL THAN TREE AND OLB IN YOGA. KNOWLEDGE FROM THIS STUDY COULD BE USED AND IMPLEMENTED IN TRAINING ONE-LEG STANCE BALANCE. 2021 3 2095 32 THE EFFECT OF YOGA ASANA "VRKSASANA (TREE POSE)" ON BALANCE IN PATIENTS WITH POSTMENOPAUSAL OSTEOPOROSIS: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVE: IN THIS STUDY, THE EFFECT OF THE ADD-ON EFFECT OF THE TREE POSE (VRKSASANA) ON THE BALANCE OF PATIENTS WITH POSTMENOPAUSAL OSTEOPOROSIS WAS INVESTIGATED. DESIGN: THIRTY-TWO PATIENTS WITH POSTMENOPAUSAL OSTEOPOROSIS WERE RANDOMLY ASSIGNED TO CONSERVATIVE EXERCISE GROUP (30 MINS/D FOR 12 WKS) OR TREE POSE-ADDED EXERCISE GROUP (30-MIN CONVENTIONAL EXERCISE + 2-MIN TREE POSE/D FOR 12 WKS) BY MICROSOFT EXCEL RANDOMIZATION OPTION. THE BALANCE OF THE PATIENTS WAS EVALUATED WITH BERG BALANCE SCALE, TIMED UP AND GO TEST, SINGLE-LEG STANDING TEST, TANDEM WALK TEST, TANDEM STANCE TEST, AND KOREBALANCE STATIC&DYNAMIC BALANCE TESTS AT BASELINE, SIXTH WEEK, AND THIRD MONTH OF THE EXERCISE PROGRAM. RESULTS: THERE WAS NO STATISTICALLY SIGNIFICANT DIFFERENCE ON BASELINE DATA BETWEEN GROUPS. THERE WAS A STATISTICALLY SIGNIFICANT DIFFERENCE BETWEEN THE TWO GROUPS IN THE SIXTH-WEEK MEASUREMENT OF SINGLE-LEG STANCE (P < 0.05). IN THE BERG BALANCE SCALE, STATIC BALANCE TEST, DYNAMIC BALANCE TEST, AND TANDEM WALK TEST, A STATISTICALLY SIGNIFICANT DIFFERENCE WAS FOUND AMONG BASELINE, SIXTH-WEEK, AND 12TH WEEK MEASUREMENTS IN BOTH THE EXERCISE GROUP AND THE TREE POSE-ADDED EXERCISE GROUP. CONCLUSIONS: GAINS IN THE STATIC AND DYNAMIC BALANCE OF POSTMENOPAUSAL OSTEOPOROTIC PATIENTS CAN BE OBTAINED BY ADDING "VRKSASANA" TO CONVENTIONAL EXERCISES. 2022 4 2357 27 VARYING ALIGNMENT AFFECTS LOWER EXTREMITY JOINT AND LIMB LOADING DURING YOGA'S TRIANGLE (TRIKONASANA) POSE. BACKGROUND: LIMITED BIOMECHANICAL DATA EXIST DESCRIBING HOW YOGA ASANAS (POSTURES) LOAD THE LIMBS AND JOINTS, AND LITTLE EVIDENCE-BASED RECOMMENDATIONS FOR YOGA INJURY PREVENTION ARE AVAILABLE. THIS STUDY AIMED TO ESTABLISH JOINT LOADING METRICS FOR AN INJURY-PRONE, YET COMMON YOGA POSE, THE TRIANGLE ASANA (TRIKONASANA) BY IDENTIFYING HOW STANCE WIDTH ADJUSTMENTS ALTER LOWER EXTREMITY LOADING. METHODS: EIGHTEEN YOGA PRACTITIONERS UNDERWENT 3D MOTION ANALYSIS WHILE PERFORMING TRIKONASANA WITH SELF-SELECTED (SS) STANCE WIDTH AND -30, -20, -10, +10, +20, AND +30% OF SS STANCE WIDTH. GROUND REACTION FORCES (GRFS), JOINT FORCES, AND JOINT MOMENTS WERE CALCULATED FOR THE LEADING AND TRAILING LIMB ANKLE, KNEE, AND HIP. ONE-WAY REPEATED-MEASURES ANALYSIS OF VARIANCE DETERMINED DIFFERENCES IN LOADING DUE TO STANCE WIDTH. RESULTS: GRFS, NET JOINT FORCES, AND NET JOINT MOMENTS WERE SIGNIFICANTLY AFFECTED BY STANCE WIDTH WHERE INCREASING STANCE WIDTH INCREASED LEADING LIMB LOADING BUT DECREASED TRAILING LIMB LOADING. CONCLUSIONS: ALTERING STANCE WIDTH OF TRIKONASANA INFLUENCES LOWER EXTREMITY LIMB LOADING, AND THESE LOADING RESPONSES WERE LIMB-DEPENDENT. YOGA PRACTITIONERS AND INSTRUCTORS CAN USE THIS INFORMATION TO OBJECTIVELY SUPPORT INCREASING OR DECREASING STANCE WIDTH TO REDUCE OR INCREASE LIMB LOADING ACCORDING TO THEIR GOALS OR TO MAKE ACCOMMODATIONS TO GROUPS SUCH AS BEGINNERS OR AT-RISK POPULATIONS FOR SAFER, MORE ACCESSIBLE YOGA PRACTICES. CUING A WIDER OR NARROWER STANCE WIDTH WILL NOT HAVE THE SAME EFFECT ON BOTH LIMBS. 2022 5 896 38 EFFECT OF YOGASANA INTERVENTION ON STANDING BALANCE PERFORMANCE AMONG PEOPLE WITH DIABETIC PERIPHERAL NEUROPATHY: A PILOT STUDY. BACKGROUND: DIABETIC PERIPHERAL NEUROPATHY (DPN) IS KNOWN TO CAUSE IMPAIRED BALANCE AND EVENTUALLY INCREASED RISK OF FALL. YOGASANAS CHARACTERIZED BY SLOW, GENTLE TRANSITIONS INTO POSTURES WITH A VARYING BASE OF SUPPORT AND FOCUS ON BODY AWARENESS DURING MOVEMENT HOLD POTENTIAL FOR TRAINING BALANCE CONTROL. THEREFORE, THE CURRENT STUDY AIMED TO EVALUATE EFFECT OF STRUCTURED YOGASANA INTERVENTION COMPARED TO CONVENTIONAL BALANCE EXERCISE ON STATIC AND DYNAMIC BALANCE PERFORMANCE AMONG PEOPLE WITH DIABETIC NEUROPATHY. METHODS: : THIRTY-FIVE PEOPLE WITH DPN AGED 42-70 YEARS WERE RECRUITED TO YOGASANA INTERVENTION GROUP (N = 11), CONVENTIONAL BALANCE EXERCISES GROUP (N = 10), AND CONTROL GROUP (N = 14) FOLLOWING ETHICAL APPROVAL. ALL PARTICIPANTS WERE EVALUATED AT BASELINE AND POST 12-WEEK INTERVENTION ON STAR EXCURSION BALANCE TEST, SINGLE-LIMB STANCE TEST, AND CENTER OF PRESSURE (COP) EXCURSION FOR BALANCE PERFORMANCE, MODIFIED FALL EFFICACY SCALE FOR FEAR OF FALLS AND LOWER EXTREMITY STRENGTH USING CHAIR STAND TEST AND STEP-UP TEST. RESULTS: BALANCE PERFORMANCE (STATIC AND DYNAMIC MEASURED BY STAR EXCURSION BALANCE TEST, SINGLE-LIMB STANCE TEST, AND COP EXCURSION, LOWER EXTREMITY STRENGTH (USING CHAIR STAND TEST AND STEP-UP TEST) DEMONSTRATED IMPROVEMENT AND FEAR OF FALL REDUCED AMONG YOGASANA INTERVENTION GROUP (P = 0.05) AND CONVENTIONAL BALANCE EXERCISES GROUP (P = 0.05) POST 12-WEEK INTERVENTION. COP EXCURSION INCREASED IN THE CONTROL GROUP INDICATING DETERIORATION IN BALANCE PERFORMANCE AFTER 12 WEEKS (P = 0.05). POST HOC COMPARISON REVEALED THAT YOGASANA INTERVENTION WAS MARGINALLY MORE EFFECTIVE IN IMPROVING STATIC AND DYNAMIC BALANCE PERFORMANCE COMPARED TO CONVENTIONAL BALANCE EXERCISES IN ALL VARIABLES OF STANDING BALANCE PERFORMANCE (P = 0.025). CONCLUSION: YOGASANA AND CONVENTIONAL BALANCE EXERCISES WERE EFFECTIVE IN IMPROVING STATIC AND DYNAMIC BALANCE PERFORMANCE, LOWER EXTREMITY MUSCLE STRENGTH, AND REDUCING FEAR OF FALL AMONG PEOPLE WITH DPN. YOGASANA INTERVENTION DEMONSTRATED MARGINALLY GREATER IMPROVEMENT IN STATIC AND DYNAMIC BALANCE PERFORMANCE AND LOWER EXTREMITY MUSCLE STRENGTH COMPARED TO CONVENTIONAL EXERCISE. 2021 6 506 61 COMPARATIVE EFFECT OF POWER TRAINING AND HIGH-SPEED YOGA ON MOTOR FUNCTION IN OLDER PATIENTS WITH PARKINSON DISEASE. OBJECTIVES: TO COMPARE THE EFFECTS OF POWER TRAINING (PWT) AND A HIGH-SPEED YOGA PROGRAM ON PHYSICAL PERFORMANCES IN OLDER PATIENTS WITH PARKINSON DISEASE (PD), AND TO TEST THE HYPOTHESIS THAT BOTH TRAINING INTERVENTIONS WOULD ATTENUATE PD SYMPTOMS AND IMPROVE PHYSICAL PERFORMANCE. DESIGN: RANDOMIZED CONTROLLED TRIAL. SETTING: A LABORATORY OF NEUROMUSCULAR RESEARCH AND ACTIVE AGING. PARTICIPANTS: PATIENTS WITH PD (N=41; MEAN AGE +/- SD, 72.2 +/- 6.5Y). INTERVENTIONS: TWO HIGH-SPEED EXERCISE INTERVENTIONS (SPECIFICALLY DESIGNED YOGA PROGRAM AND PWT) WERE GIVEN FOR 12 WEEKS (TWICE A WEEK), AND 1 NONEXERCISE CONTROL GROUP. MAIN OUTCOME MEASURES: UNIFIED PARKINSON DISEASE RATING SCALE MOTOR SCORE (UPDRSMS), BERG BALANCE SCALE (BBS), MINI-BALANCE EVALUATION SYSTEMS TEST (MINI-BESTEST), TIMED UP AND GO, FUNCTIONAL REACH, SINGLE LEG STANCE (SLS), POSTURAL SWAY TEST, 10-M USUAL AND MAXIMAL WALKING SPEED TESTS, 1 REPETITION MAXIMUM (RM), AND PEAK POWER (PPW) FOR LEG PRESS. RESULTS: FOR THE POSTTESTS, BOTH TRAINING GROUPS SHOWED SIGNIFICANT IMPROVEMENTS (P<.05) IN ALL PHYSICAL MEASUREMENTS EXCEPT FUNCTIONAL REACH ON THE MORE AFFECTED SIDE, SLS, AND POSTURAL SWAY COMPARED WITH THE PRETESTS, AND SIGNIFICANTLY BETTER SCORES FOR UPDRSMS, BBS, MINI-BESTEST, TIMED UP AND GO, FUNCTIONAL REACH ON THE LESS AFFECTED SIDE, 10-M USUAL AND MAXIMAL WALKING SPEED TESTS, 1RM, AND PPW THAN CONTROLS, WITH NO DIFFERENCES DETECTED BETWEEN THE YOGA PROGRAM AND PWT. CONCLUSIONS: BOTH THE SPECIALLY DESIGNED YOGA PROGRAM AND PWT PROGRAMS CAN SIGNIFICANTLY IMPROVE PHYSICAL PERFORMANCE IN OLDER PERSONS WITH PD. 2016 7 34 44 A 12-WEEK IYENGAR YOGA PROGRAM IMPROVED BALANCE AND MOBILITY IN OLDER COMMUNITY-DWELLING PEOPLE: A PILOT RANDOMIZED CONTROLLED TRIAL. BACKGROUND: EXERCISE THAT CHALLENGES BALANCE CAN IMPROVE MOBILITY AND PREVENT FALLS IN OLDER ADULTS. YOGA AS A PHYSICAL ACTIVITY OPTION FOR OLDER ADULTS IS NOT WELL STUDIED. THIS TRIAL EVALUATED THE FEASIBILITY AND EFFECT OF A 12-WEEK IYENGAR YOGA PROGRAM ON BALANCE AND MOBILITY IN OLDER PEOPLE. METHODS: WE CONDUCTED A BLINDED, PILOT RANDOMIZED CONTROLLED TRIAL WITH INTENTION-TO-TREAT ANALYSIS. PARTICIPANTS WERE 54 COMMUNITY DWELLERS (MEAN AGE 68 YEARS, SD 7.1) NOT CURRENTLY PARTICIPATING IN YOGA OR TAI CHI. THE INTERVENTION GROUP (N = 27) PARTICIPATED IN A 12-WEEK, TWICE-WEEKLY YOGA PROGRAM FOCUSED ON STANDING POSTURES AND RECEIVED A FALL PREVENTION EDUCATION BOOKLET. THE CONTROL GROUP (N = 27) RECEIVED THE EDUCATION BOOKLET ONLY. PRIMARY OUTCOME WAS STANDING BALANCE COMPONENT OF THE SHORT PHYSICAL PERFORMANCE BATTERY WITH ADDITION OF ONE-LEGGED STANCE TIME (STANDING BALANCE). SECONDARY OUTCOMES WERE THE TIMED SIT-TO-STAND TEST, TIMED 4-M WALK, ONE-LEGGED STAND WITH EYES CLOSED, AND SHORT FALLS EFFICACY SCALE-INTERNATIONAL. FEASIBILITY WAS MEASURED BY RECORDING CLASS ATTENDANCE AND ADVERSE EVENTS. RESULTS: FIFTY-TWO PARTICIPANTS COMPLETED FOLLOW-UP ASSESSMENTS. THE INTERVENTION GROUP SIGNIFICANTLY IMPROVED COMPARED WITH CONTROL GROUP ON STANDING BALANCE (MEAN DIFFERENCE = 1.52 SECONDS, 95% CI 0.10-2.96, P = .04), SIT-TO-STAND TEST (MEAN DIFFERENCE = -3.43 SECONDS, 95% CI -5.23 TO -1.64, P < .001), 4-M WALK (MEAN DIFFERENCE = -0.50 SECONDS, 95% CI -0.72 TO -0.28, P < .001), AND ONE-LEGGED STAND WITH EYES CLOSED (MEAN DIFFERENCE = 1.93 SECONDS, 95% CI 0.40-3.46, P = .02). AVERAGE CLASS ATTENDANCE WAS 20 OF 24 CLASSES (83%). NO SERIOUS ADVERSE EVENTS OCCURRED. CONCLUSIONS: THIS TRIAL DEMONSTRATES THE BALANCE AND MOBILITY-RELATED BENEFITS AND FEASIBILITY OF IYENGAR YOGA FOR OLDER PEOPLE. THE FALL PREVENTION EFFECT OF IYENGAR YOGA WARRANTS FURTHER INVESTIGATION. 2013 8 884 36 EFFECT OF YOGA TRAINING ON ONE LEG STANDING AND FUNCTIONAL REACH TESTS IN OBESE INDIVIDUALS WITH POOR POSTURAL CONTROL. [PURPOSE] THE AIM OF THE PRESENT STUDY WAS TO INVESTIGATE THE EFFECT OF YOGA TRAINING ON STATIC AND DYNAMIC STANDING BALANCE IN OBESE INDIVIDUALS WITH POOR STANDING BALANCE. [SUBJECTS AND METHODS] SIXTEEN OBESE VOLUNTEERS WERE RANDOMLY ASSIGNED INTO YOGA AND CONTROL GROUPS. THE YOGA TRAINING PROGRAM WAS PERFORMED FOR 45 MINUTES PER DAY, 3 TIMES PER WEEK, FOR 4 WEEKS. STATIC AND DYNAMIC BALANCE WERE ASSESSED IN VOLUNTEERS WITH ONE LEG STANDING AND FUNCTIONAL REACH TESTS. OUTCOME MEASURES WERE TESTED BEFORE TRAINING AND AFTER A SINGLE WEEK OF TRAINING. TWO-WAY REPEATED MEASURE ANALYSIS OF VARIANCE WITH TUKEY'S HONESTLY SIGNIFICANT DIFFERENCE POST HOC STATISTICS WAS USED TO ANALYZE THE DATA. [RESULTS] OBESE INDIVIDUALS SHOWED SIGNIFICANTLY INCREASED STATIC STANDING BALANCE IN THE YOGA TRAINING GROUP, BUT THERE WAS NO SIGNIFICANT IMPROVEMENT OF STATIC OR DYNAMIC STANDING BALANCE IN THE CONTROL GROUP AFTER 4 WEEKS. IN THE YOGA GROUP, SIGNIFICANT INCREASES IN STATIC STANDING BALANCE WAS FOUND AFTER THE 2ND, 3RD, AND 4TH WEEKS. COMPARED WITH THE CONTROL GROUP, STATIC STANDING BALANCE IN THE YOGA GROUP WAS SIGNIFICANTLY DIFFERENT AFTER THE 2ND WEEK, AND DYNAMIC STANDING BALANCE WAS SIGNIFICANTLY DIFFERENT AFTER THE 4TH WEEK. [CONCLUSION] YOGA TRAINING WOULD BE BENEFICIAL FOR IMPROVING STANDING BALANCE IN OBESE INDIVIDUALS WITH POOR STANDING BALANCE. 2015 9 1743 33 PHYSICAL-PERFORMANCE OUTCOMES AND BIOMECHANICAL CORRELATES FROM THE 32-WEEK YOGA EMPOWERS SENIORS STUDY. BACKGROUND. YOGA EMPOWERS SENIORS STUDY (YESS) QUANTIFIED PHYSICAL DEMANDS ASSOCIATED WITH YOGA PERFORMANCE USING BIOMECHANICAL METHODS. THIS STUDY EVALUATED THE EFFICACY OF THE PROGRAM ON PHYSICAL FUNCTION OUTCOMES. METHODS. TWENTY COMMUNITY-DWELLING OLDER ADULTS AGED 70.7 +/- 3.8 YEARS ATTENDED BIWEEKLY 60-MINUTE HATHA YOGA CLASSES FOR 32 WEEKS. FOUR DOMAINS OF THE PHYSICAL MEASUREMENTS INCLUDING (1) FUNCTIONAL PERFORMANCE, (2) FLEXIBILITY, (3) MUSCLE STRENGTH, AND (4) BALANCE WERE TAKEN AT THE BASELINE, 16-WEEK AND 32-WEEK TIME POINTS. REPEATED-MEASURES ANOVA OMNIBUS TESTS AND TUKEY'S POST HOC TESTS WERE EMPLOYED TO EXAMINE THE DIFFERENCES IN EACH OUTCOME VARIABLE ACROSS THE 3 TIME POINTS. RESULTS. IMPROVED TIMED CHAIR STANDS (P < 0.01), 8-FOOT UP AND GO (P < 0.05), 2-MIN STEP TEST (P < 0.05), AND VERTICAL REACH (P = 0.05) PERFORMANCE WERE EVIDENT. ISOMETRIC KNEE FLEXOR STRENGTH (P < 0.05) AND REPETITIONS OF THE HEEL RISE TEST (P < 0.001) ALSO INCREASED FOLLOWING THE 32-WEEK INTERVENTION. BOTH FLEXIBILITY AND BALANCE PERFORMANCE REMAINED UNCHANGED. CONCLUSIONS. SIGNIFICANT IMPROVEMENTS IN PHYSICAL FUNCTION AND MUSCLE-SPECIFIC LOWER-EXTREMITY STRENGTH OCCUR WITH THE REGULAR PRACTICE OF A MODIFIED HATHA YOGA PROGRAM DESIGNED FOR SENIORS. THESE ADAPTATIONS CORRESPONDED WITH THE PREVIOUSLY REPORTED BIOMECHANICAL DEMANDS OF THE POSES. 2016 10 2134 42 THE EFFECTS OF A THERAPEUTIC YOGA PROGRAM ON POSTURAL CONTROL, MOBILITY, AND GAIT SPEED IN COMMUNITY-DWELLING OLDER ADULTS. OBJECTIVE: TO EXAMINE THE EFFECTS OF A 12-WEEK THERAPEUTIC YOGA PROGRAM ON GAIT SPEED, POSTURAL CONTROL, AND MOBILITY IN COMMUNITY-DWELLING OLDER ADULTS. DESIGN: QUASI-EXPERIMENTAL STUDY WITH A PRETEST/POST-TEST DESIGN. RESEARCHERS EVALUATED CHANGES OVER TIME (PRETEST TO POST-TEST) IN ALL OUTCOME MEASURES. PAIRED T-TESTS WERE USED TO ANALYZE NORMAL AND FAST GAIT SPEED, TIMED UP AND GO TEST, AND TIMED UP AND GO DUAL TASK. WILCOXON SIGNED-RANK TEST WAS USED TO EVALUATE SCORES FOR THE MINI-BESTEST (MBT). SETTING: YOGA CLASSES WERE PERFORMED AT A LOCAL SENIOR CENTER. BLIND EXAMINERS WHO WERE PREVIOUSLY TRAINED IN THE OUTCOME MEASURES PERFORMED ALL PRETESTS AND POST-TESTS AT THE SITE. PARTICIPANTS: THIRTEEN ADULTS (12 WOMEN AND 1 MAN, WITH A MEAN AGE+/-STANDARD DEVIATION OF 72+/-6.9 YEARS) COMPLETED THE STUDY. RESEARCH PARTICIPANTS HAD MINIMAL TO NO YOGA EXPERIENCE. INTERVENTIONS: A 12-WEEK, 60-MINUTE, BIWEEKLY KRIPALU YOGA CLASS DESIGNED SPECIFICALLY FOR COMMUNITY-DWELLING OLDER ADULTS. OUTCOME MEASURES: POSTURAL CONTROL (MBT), MOBILITY (TIMED UP AND GO TEST), AND GAIT SPEED (NORMAL AND FAST) WERE ASSESSED. RESULTS: ALL 13 PARTICIPANTS ATTENDED AT LEAST 19 OF THE 24 CLASSES (80% ATTENDANCE). STATISTICALLY SIGNIFICANT IMPROVEMENTS WERE SEEN IN THE MBT (P=0.039), NORMAL GAIT SPEED (P=0.015), FAST GAIT SPEED (P=0.001), TIMED UP AND GO TEST (P=0.045), AND TIMED UP AND GO DUAL-TASK (P=0.05). CONCLUSIONS: IMPROVEMENTS IN POSTURAL CONTROL AND MOBILITY AS MEASURED BY THE MBT AND TIMED UP AND GO GAIT AS MEASURED BY FAST GAIT SPEED INDICATE THAT RESEARCH PARTICIPANTS BENEFITTED FROM THE THERAPEUTIC YOGA INTERVENTION. THE YOGA PROGRAM DESIGNED FOR THIS STUDY INCLUDED ACTIVITIES IN STANDING, SITTING, AND LYING ON THE FLOOR AND MAY BE EFFECTIVE IN IMPROVING MOBILITY, POSTURAL CONTROL, AND GAIT SPEED IN COMMUNITY-DWELLING OLDER ADULTS. 2014 11 537 47 COMPARISONS OF TAI CHI AND IYENGAR YOGA INTERVENTION EFFECTS ON MUSCLE STRENGTH, BALANCE, AND CONFIDENCE IN BALANCE. BACKGROUND: THE AIM OF THE STUDY IS TO COMPARE A 16-WEEK TAI CHI AND IYENGAR YOGA PROGRAM EFFECTS ON MUSCLE STRENGTH, STATIC AND DYNAMIC BALANCE, AND BALANCE CONFIDENCE IN ELDERLY PEOPLE. METHODS: A TOTAL OF 48 PARTICIPANTS (>/=60 YEARS OLD) WITHOUT MOBILITY-IMPAIRING NEUROLOGICAL DISEASE, DEMENTIA, CARDIOVASCULAR DISEASE/SYMPTOMS DURING MODERATE EXERCISE, POORLY CONTROLLED HYPERTENSION, OR BALANCE-IMPAIRING DRUG USE. PARTICIPANTS WERE DIVIDED INTO A TAI CHI GROUP, AN IYENGAR YOGA GROUP, AND A CONTROL GROUP (EIGHT MALES AND EIGHT FEMALES PER GROUP), USING A RESTRICTED RANDOMIZATION SCHEME GENERATED BY SOFTWARE. WHILE THE FORMER TWO UNDERTOOK 16-WEEK EXERCISE PROGRAMS, THE CONTROL GROUP RECEIVED GENERAL EDUCATION. MAXIMUM CONCENTRIC STRENGTH WAS MEASURED WITH AN ISOKINETIC DYNAMOMETER. THE ONE-LEGGED STAND WITH EYES CLOSED, "8 FEET UP AND GO," AND ACTIVITIES-SPECIFIC BALANCE CONFIDENCE (ABC) SCALE WERE USED TO ASSESS STATIC BALANCE, DYNAMIC BALANCE, AND BALANCE CONFIDENCE IN DAILY ACTIVITIES, RESPECTIVELY. RESULTS: BOTH PROGRAMS IMPROVED ALL MEASURES SIGNIFICANTLY WITH TAI CHI BEING MORE EFFECTIVE FOR INCREASING KNEE FL EXOR STRENGTH (P=0.045) AND EXTENSOR STRENGTH (P=0.032) AND ABC SCORE (P=0.034); IYENGAR YOGA WAS MORE EFFECTIVE FOR IMPROVING STATIC BALANCE (P=0.014) AND DYNAMIC BALANCE (P=0.025; ALL P VALUES HERE VS. THE OTHER PROGRAM). CONCLUSIONS: TAI CHI AND IYENGAR YOGA CAN IMPROVE STRENGTH, BALANCE, AND BALANCE CONFIDENCE AMONG OLDER PEOPLE. BOTH ARE SUITABLE EXERCISE CHOICES FOR OLDER ADULTS. 2021 12 550 42 CONTROLLED PILOT STUDY OF THE EFFECTS OF POWER YOGA IN PARKINSON'S DISEASE. OBJECTIVES: TO EVALUATE THE EFFECTS OF A SPECIALLY DESIGNED POWER YOGA PROGRAM (YOGA) ON BRADYKINESIA, RIGIDITY, MUSCULAR PERFORMANCE AND QUALITY OF LIFE IN OLDER PATIENTS WITH PD. DESIGN: RANDOMIZED CONTROLLED TRIAL. SETTING: UNIVERSITY LABORATORY, US. INTERVENTION: TWENTY-SIX PATIENTS WITH MILD TO MODERATE PD WERE RANDOMLY ASSIGNED TO A YOGA OR CONTROL GROUP (CON). THE YOGA PROGRAM WAS THREE MONTHS, INCORPORATING TWO SESSIONS/WK OF YOGA CLASSES. MAIN OUTCOME MEASURES: UPPER AND LOWER LIMB BRADYKINESIA AND RIGIDITY SCORES FROM THE UNIFIED PARKINSON'S DISEASE RATING SCALE, ONE REPETITION MAXIMUMS (1RM) AND PEAK POWERS ON BICEPS CURL, CHEST PRESS, LEG PRESS, HIP ABDUCTION AND SEATED CALF, AND QUALITY OF LIFE (PDQ-39). RESULTS: THE YOGA GROUP PRODUCED SIGNIFICANT IMPROVEMENT IN BOTH UPPER AND LOWER LIMBS BRADYKINESIA SCORES, RIGIDITY SCORE, 1RM FOR ALL 5 MACHINES AND LEG PRESS POWER (P<.05). SIGNIFICANT IMPROVEMENTS WERE SEEN IN THE PDQ-39 OVERALL SCORE, MOBILITY AND ACTIVITIES OF DAILY LIVING DOMAIN FOR THE YOGA GROUP. CONCLUSION: THE 3-MONTH YOGA PROGRAM SIGNIFICANTLY REDUCED BRADYKINESIA AND RIGIDITY, AND INCREASED MUSCLE STRENGTH AND POWER IN OLDER PATIENTS WITH PD. POWER TRAINING IS AN EFFECTIVE TRAINING MODALITY TO IMPROVE PHYSICAL FUNCTION AND QUALITY OF LIFE FOR PD. 2016 13 965 47 EFFECTS OF A YOGA PROGRAM ON POSTURAL CONTROL, MOBILITY, AND GAIT SPEED IN COMMUNITY-LIVING OLDER ADULTS: A PILOT STUDY. OBJECTIVES: TO EXAMINE THE IMPACT OF AN 8-WEEK THERAPEUTIC YOGA PROGRAM ON POSTURAL CONTROL, MOBILITY, RISING FROM THE FLOOR, AND GAIT SPEED IN COMMUNITY-LIVING OLDER ADULTS. DESIGN: PRETEST/POSTTEST DESIGN WITH AN EXPERIMENTAL GROUP AND AN AGE-MATCHED CONTROL GROUP. CHANGES OVER TIME (PRETEST TO POSTTEST) WERE EVALUATED IN ALL OUTCOME MEASURES USING PAIRED T TESTS. SETTING: THE YOGA CLASS WAS PERFORMED AT A LOCAL CONTINUING CARE RETIREMENT COMMUNITY. ALL TESTING WAS PERFORMED AT THE SITE. CONTROL-SUBJECT PRETESTS AND POSTTESTS WERE PERFORMED AT A SECOND CONTINUING CARE RETIREMENT COMMUNITY. PARTICIPANTS: EIGHT RESEARCH PARTICIPANTS, ALL WOMEN, WITH A MEAN AGE OF 84 (4.6) YEARS, 8 CONTROL PARTICIPANTS, 5 WOMEN AND 3 MEN, AGED 81.3 (4.9) YEARS. RESEARCH PARTICIPANTS WERE NAIVE TO YOGA. INTERVENTIONS: AN 8-WEEK, 80-MINUTE, BIWEEKLY KRIPALU YOGA CLASS DESIGNED SPECIFICALLY FOR COMMUNITY-DWELLING OLDER ADULTS. MAIN OUTCOME MEASURES: POSTURAL CONTROL (BERG BALANCE SCALE), MOBILITY (TIME TO RISE FROM THE FLOOR TO STANDING, TIMED UP AND GO), GAIT (USUAL AND FAST GAIT SPEED), AND BALANCE CONFIDENCE (ACTIVITIES-SPECIFIC BALANCE SCALE). RESULTS: ALL SUBJECTS ATTENDED AT LEAST 10 OF THE 16 CLASSES (62% ATTENDANCE). POSTTEST DIFFERENCES WERE FOUND FOR YOGA PARTICIPANTS IN BALANCE SCORES (P < .003) AND FAST WALKING SPEED (P < .031). NO OTHER SIGNIFICANT CHANGES WERE NOTED. CONCLUSIONS: IMPROVEMENTS IN POSTURAL CONTROL AS MEASURED BY THE BERG BALANCE SCALE AND GAIT AS MEASURED BY FAST GAIT SPEED INDICATE THAT RESEARCH SUBJECTS BENEFITED FROM THE YOGA INTERVENTION. THE YOGA PROGRAM DESIGNED FOR THIS STUDY INCLUDED THE ACTIVITIES OF STANDING, SITTING, AND LYING ON THE FLOOR. THEREFORE, SUBJECTS PERFORM ACTIVITIES DURING YOGA THAT CAN IMPROVE POSTURAL CONTROL, MOBILITY, AND GAIT SPEED. 2011 14 1766 22 POSTURAL CONTROL ADAPTATIONS IN YOGA SINGLE-LEG SUPPORT POSTURES: COMPARISON BETWEEN PRACTITIONERS AND NONPRACTITIONERS. THIS PAPER INVESTIGATES WHETHER A GROUP OF REGULAR YOGA PRACTITIONERS SHOWS POSTURAL CONTROL DIFFERENCES COMPARED WITH HEALTHY CONTROLS WHILE PERFORMING SINGLE-LEG YOGA POSTURES. TEN YOGA PRACTITIONERS WERE COMPARED WITH A CONTROL GROUP OF 10 NONPRACTITIONERS PERFORMING TWO SINGLE-LEG SUPPORT YOGA POSTURES: VRKSASANA (TREE POSTURE) AND NATARAJASANA (DANCER POSTURE). RAMBLING AND TREMBLING DECOMPOSITION OF THE CENTER OF PRESSURE TRAJECTORIES WAS IMPLEMENTED USING A GENETIC ALGORITHM SPECTRAL OPTIMIZATION THAT AVOIDS USING HORIZONTAL FORCES AND WAS VALIDATED WITH BIPEDAL POSTURE DATA. ADDITIONALLY, THE CENTER OF MASS WAS ESTIMATED FROM BODY KINEMATICS USING OPENSIM AND COMPARED WITH THE RAMBLING OUTPUTS. DURING NATARAJASANA, NO POSTURAL CONTROL ADAPTATIONS WERE OBSERVED. FOR VRKSASANA, THE YOGA PRACTITIONERS SHOWED A LOWER CENTER OF PRESSURE ELLIPSE CONFIDENCE INTERVAL AREA, CENTER OF PRESSURE ANTEROPOSTERIOR SD, AND SMALLER RAMBLING SD IN THE MEDIOLATERAL DIRECTION, SUGGESTING POSSIBLE SUPRASPINAL FEED-FORWARD MOTOR ADAPTATIONS ASSOCIATED WITH YOGA TRAINING. 2022 15 702 44 EFFECT OF HOME-BASED TAI CHI, YOGA OR CONVENTIONAL BALANCE EXERCISE ON FUNCTIONAL BALANCE AND MOBILITY AMONG PERSONS WITH IDIOPATHIC PARKINSON'S DISEASE: AN EXPERIMENTAL STUDY. BACKGROUND: INDIVIDUALS WITH PARKINSON'S DISEASE (PD) INVARIABLY EXPERIENCE FUNCTIONAL DECLINE IN A NUMBER OF MOTOR AND NON-MOTOR DOMAINS AFFECTING POSTURE, BALANCE AND GAIT. NUMEROUS CLINICAL STUDIES HAVE EXAMINED EFFECTS OF VARIOUS TYPES OF EXERCISE ON MOTOR AND NON-MOTOR PROBLEMS. BUT STILL MUCH GAP REMAINS IN OUR UNDERSTANDING OF VARIOUS THERAPIES AND THEIR EFFECT ON DELAYING OR SLOWING THE DOPAMINE NEURON DEGENERATION. RECENTLY, TAI CHI AND YOGA BOTH HAVE GAINED POPULARITY AS COMPLEMENTARY THERAPIES, SINCE BOTH HAVE COMPONENTS FOR MIND AND BODY CONTROL. OBJECTIVE: THE AIM OF THIS STUDY WAS TO DETERMINE WHETHER EIGHT WEEKS OF HOME-BASED TAI CHI OR YOGA WAS MORE EFFECTIVE THAN REGULAR BALANCE EXERCISES ON FUNCTIONAL BALANCE AND MOBILITY. METHODS: TWENTY-SEVEN INDIVIDUALS WITH IDIOPATHIC PD (MODIFIED HOEHN AND YAHR STAGES 2.5-3) WERE RANDOMLY ASSIGNED TO EITHER TAI CHI, YOGA OR CONVENTIONAL EXERCISE GROUP. ALL THE PARTICIPANTS WERE EVALUATED FOR FUNCTIONAL BALANCE AND MOBILITY USING BERG BALANCE SCALE, TIMED 10 M WALK TEST AND TIMED UP AND GO TEST BEFORE AND AFTER EIGHT WEEKS OF TRAINING. RESULTS: THE RESULTS WERE ANALYZED USING TWO-WAY MIXED ANOVA WHICH SHOWED THAT THERE WAS A SIGNIFICANT MAIN EFFECT FOR TIME AS F (1, 24) = 74.18, P = 0 . 000 , ETA P 2 = 0 . 76 FOR OVERALL BALANCE IN BERG BALANCE SCALE. THERE WAS ALSO SIGNIFICANT MAIN EFFECT OF TIME ON MOBILITY OVERALL AS F(1, 24) = 77 . 78 , P = 0 . 000 , ETA P 2 = 0 . 76 IN TIMED UP AND GO TEST AND F(1, 24) = 48 . 24 , P = 0 . 000 , ETA P 2 = 0 . 67 FOR 10 M WALK TEST. THERE WAS A SIGNIFICANT INTERACTION EFFECT FOR TIME X GROUP WITH F(2, 24) = 8 . 67 , P = 0 . 001 , ETA P 2 = 0 . 420 FOR BALANCE. WITH RESPECT TO MOBILITY, THE VALUES F(2, 24) = 5 . 92 , P = 0 . 008 , ETA P 2 = 0 . 330 IN TIMED UP AND GO TEST AND F(2, 24) = 10 . 40 , P = 0 . 001 , ETA P 2 = 0 . 464 IN 10 M WALK TEST SHOWED A SIGNIFICANT INTERACTION. BUT THERE WAS NO SIGNIFICANT MAIN EFFECT BETWEEN THE GROUPS FOR BOTH BALANCE AND MOBILITY. CONCLUSION: THE FINDINGS OF THIS STUDY SUGGEST THAT TAI CHI AS WELL AS YOGA ARE WELL ADHERED AND ARE ATTRACTIVE OPTIONS FOR A HOME-BASED SETTING. AS ANY FORM OF PHYSICAL ACTIVITY IS CONSIDERED BENEFICIAL FOR INDIVIDUALS WITH PD EITHER TAI CHI, YOGA OR CONVENTIONAL BALANCE EXERCISES COULD BE USED AS THERAPEUTIC INTERVENTION TO OPTIMIZE BALANCE AND MOBILITY. FURTHER STUDIES ARE NECESSARY TO UNDERSTAND THE MIND-BODY BENEFITS OF TAI CHI AND YOGA EITHER AS MULTICOMPONENT PHYSICAL ACTIVITIES OR AS INDIVIDUAL THERAPIES IN VARIOUS STAGES OF PD. 2020 16 2719 29 YOGA MEDITATION ENHANCES PROPRIOCEPTION AND BALANCE IN INDIVIDUALS DIAGNOSED WITH PARKINSON'S DISEASE. THIS STUDY COMPARED THE EFFECTIVENESS OF TWO PROPRIOCEPTIVE EXERCISE PROGRAMS FOR PERSONS DIAGNOSED WITH PARKINSON'S DISEASE (PD). THIRTY-THREE PATIENTS WITH MILD TO MODERATE PD WERE RANDOMLY ASSIGNED TO A YOGA MEDITATION PROGRAM (YOMED) OR TO AN ESTABLISHED PROPRIOCEPTIVE TRAINING PROGRAM (PRO). BOTH INTERVENTIONS INCLUDED TWICE WEEKLY SESSIONS (45 MINUTES EACH), SPANNING A 12-WEEK PERIOD. OUTCOME MEASURES INCLUDED: JOINT POSITION SENSE (JPS45 DEGREES , JPS55 DEGREES , JPS65 DEGREES ) AND JOINT KINESTHESIA (JKFLEX AND JKEXT), THE TINETTI BALANCE ASSESSMENT TOOL (TIN), FALLS EFFICACY SCALE (FES), BALANCE ERROR SCORING SYSTEM (BESS), DYNAMIC POSTUROGRAPHY (DMA AND TIME) AND THE TIMED UP-AND-GO TEST (TUG). TEST ADMINISTRATORS WERE BLINDED TO GROUP AFFILIATION. SIGNIFICANT BETWEEN-GROUP DIFFERENCES FAVORING THE YOMED GROUP WERE OBSERVED FOR TIN (P = 0.01, D = 0.77) AND JKFLEX (P = 0.05, D = -0.72). DMA AND TIME SCORES SIGNIFICANTLY IMPROVED FOR BOTH GROUPS, AND NO ADVERSE EVENTS WERE REPORTED. THESE FINDINGS INDICATE THAT THE YOMED PROGRAM IS SAFE AND EFFECTIVE FOR PATIENTS WITH PD. RESEARCHERS SHOULD CONTINUE TO EXAMINE THE CLINICAL EFFICACY OF MIND-BODY TECHNIQUES TO IMPROVE MOVEMENT CONTROL AND BODY AWARENESS IN THIS POPULATION. 2021 17 626 39 DIFFERENCE IN MUSCLE ACTIVATION PATTERNS DURING HIGH-SPEED VERSUS STANDARD-SPEED YOGA: A RANDOMIZED SEQUENCE CROSSOVER STUDY. OBJECTIVES: TO COMPARE THE DIFFERENCE IN MUSCLE ACTIVATION BETWEEN HIGH-SPEED YOGA AND STANDARD-SPEED YOGA AND TO COMPARE MUSCLE ACTIVATION OF THE TRANSITIONS BETWEEN POSES AND THE HELD PHASES OF A YOGA POSE. DESIGN: RANDOMIZED SEQUENCE CROSSOVER TRIAL SETTING: A LABORATORY OF NEUROMUSCULAR RESEARCH AND ACTIVE AGING INTERVENTIONS: EIGHT MINUTES OF CONTINUOUS SUN SALUTATION B WAS PERFORMED, AT A HIGH SPEED VERSUS A STANDARD-SPEED, SEPARATELY. ELECTROMYOGRAPHY WAS USED TO QUANTIFY NORMALIZED MUSCLE ACTIVATION PATTERNS OF EIGHT UPPER AND LOWER BODY MUSCLES (PECTORALIS MAJOR, MEDIAL DELTOIDS, LATERAL HEAD OF THE TRICEPS, MIDDLE FIBERS OF THE TRAPEZIUS, VASTUS MEDIALIS, MEDIAL GASTROCNEMIUS, THORACIC EXTENSOR SPINAE, AND EXTERNAL OBLIQUES) DURING THE HIGH-SPEED AND STANDARD-SPEED YOGA PROTOCOLS. MAIN OUTCOME MEASURES: DIFFERENCE IN NORMALIZED MUSCLE ACTIVATION BETWEEN HIGH-SPEED YOGA AND STANDARD-SPEED YOGA. RESULTS: NORMALIZED MUSCLE ACTIVITY SIGNALS WERE SIGNIFICANTLY HIGHER IN ALL EIGHT MUSCLES DURING THE TRANSITION PHASES OF POSES COMPARED TO THE HELD PHASES (P<0.01). THERE WAS NO SIGNIFICANT INTERACTION BETWEEN SPEEDXPHASE; HOWEVER, GREATER NORMALIZED MUSCLE ACTIVITY WAS SEEN FOR HIGHSPEED YOGA ACROSS THE ENTIRE SESSION. CONCLUSIONS: OUR RESULTS SHOW THAT TRANSITIONS FROM ONE HELD PHASE OF A POSE TO ANOTHER PRODUCES HIGHER NORMALIZED MUSCLE ACTIVITY THAN THE HELD PHASES OF THE POSES AND THAT OVERALL ACTIVITY IS GREATER DURING HIGHSPEED YOGA THAN STANDARD-SPEED YOGA. THEREFORE, THE TRANSITION SPEED AND ASSOCIATED NUMBER OF POSES SHOULD BE CONSIDERED WHEN TARGETING SPECIFIC IMPROVEMENTS IN PERFORMANCE. 2017 18 253 40 A YOGA STRENGTHENING PROGRAM DESIGNED TO MINIMIZE THE KNEE ADDUCTION MOMENT FOR WOMEN WITH KNEE OSTEOARTHRITIS: A PROOF-OF-PRINCIPLE COHORT STUDY. UNLABELLED: PEOPLE WITH KNEE OSTEOARTHRITIS MAY BENEFIT FROM EXERCISE PRESCRIPTIONS THAT MINIMIZE KNEE LOADS IN THE FRONTAL PLANE. THE PRIMARY OBJECTIVE OF THIS STUDY WAS TO DETERMINE WHETHER A NOVEL 12-WEEK STRENGTHENING PROGRAM DESIGNED TO MINIMIZE EXPOSURE TO THE KNEE ADDUCTION MOMENT (KAM) COULD IMPROVE SYMPTOMS AND KNEE STRENGTH IN WOMEN WITH SYMPTOMATIC KNEE OSTEOARTHRITIS. A SECONDARY OBJECTIVE WAS TO DETERMINE WHETHER THE PROGRAM COULD IMPROVE MOBILITY AND FITNESS, AND DECREASE PEAK KAM DURING GAIT. THE TERTIARY OBJECTIVE WAS TO EVALUATE THE BIOMECHANICAL CHARACTERISTICS OF THIS YOGA PROGRAM. IN PARTICULAR, WE COMPARED THE PEAK KAM DURING GAIT WITH THAT DURING YOGA POSTURES AT BASELINE. WE ALSO COMPARED LOWER LIMB NORMALIZED MEAN ELECTROMYOGRAPHY (EMG) AMPLITUDES DURING YOGA POSTURES BETWEEN BASELINE AND FOLLOW-UP. PRIMARY MEASURES INCLUDED SELF-REPORTED PAIN AND PHYSICAL FUNCTION (KNEE INJURY AND OSTEOARTHRITIS OUTCOME SCORE) AND KNEE STRENGTH (EXTENSOR AND FLEXOR TORQUES). SECONDARY MEASURES INCLUDED MOBILITY (SIX-MINUTE WALK, 30-SECOND CHAIR STAND, STAIR CLIMBING), FITNESS (SUBMAXIMAL CYCLE ERGOMETER TEST), AND CLINICAL GAIT ANALYSIS USING MOTION CAPTURE SYNCHRONIZED WITH ELECTROMYOGRAPHY AND FORCE MEASUREMENT. ALSO, KAM AND NORMALIZED MEAN EMG AMPLITUDES WERE COLLECTED DURING YOGA POSTURES. FORTY-FIVE WOMEN OVER AGE 50 WITH SYMPTOMATIC KNEE OSTEOARTHRITIS, CONSISTENT WITH THE AMERICAN COLLEGE OF RHEUMATOLOGY CRITERIA, ENROLLED IN OUR 12-WEEK (3 SESSIONS PER WEEK) PROGRAM. DATA FROM 38 WERE ANALYZED (SIX DROP-OUTS; ONE LOST TO CO-INTERVENTION). PARTICIPANTS EXPERIENCED REDUCED PAIN (MEAN IMPROVEMENT 10.1-20.1 NORMALIZED TO 100; P<0.001), INCREASED KNEE EXTENSOR STRENGTH (MEAN IMPROVEMENT 0.01 NM/KG; P = 0.004), AND INCREASED FLEXOR STRENGTH (MEAN IMPROVEMENT 0.01 NM/KG; P = 0.001) AT FOLLOW-UP COMPARED TO BASELINE. PARTICIPANTS IMPROVED MOBILITY ON THE SIX-MINUTE WALK (MEAN IMPROVEMENT 37.7 M; P<0.001) AND 30-SECOND CHAIR STAND (MEAN IMPROVEMENT 1.3; P = 0.006) AT FOLLOW-UP COMPARED TO BASELINE. FITNESS AND PEAK KAM DURING GAIT WERE UNCHANGED BETWEEN BASELINE AND FOLLOW-UP. AVERAGE KAM DURING THE YOGA POSTURES WERE LOWER THAN THAT OF NORMAL GAIT. NORMALIZED MEAN EMG AMPLITUDES DURING YOGA POSTURES WERE UP TO 31.0% OF MAXIMUM BUT DID NOT CHANGE BETWEEN BASELINE AND FOLLOW-UP. IN THIS COHORT STUDY, THE YOGA-BASED STRENGTHENING POSTURES THAT ELICIT LOW KAMS IMPROVED KNEE SYMPTOMS AND STRENGTH IN WOMEN WITH KNEE OA FOLLOWING A 12 WEEK PROGRAM (3 SESSIONS PER WEEK). THE PROGRAM ALSO IMPROVED MOBILITY, BUT DID NOT IMPROVE FITNESS OR REDUCE PEAK KAM DURING GAIT. THE KAM DURING THE YOGA POSTURES WERE LOWER THAN THAT OF NORMAL GAIT. OVERALL, THE PROPOSED PROGRAM MAY BE USEFUL IN IMPROVING PAIN, STRENGTH, AND MOBILITY IN WOMEN WITH KNEE OSTEOARTHRITIS. CLINICAL EFFICACY NEEDS TO BE ASSESSED USING A RANDOMIZED CONTROLLED TRIAL DESIGN. TRIAL REGISTRATION: CLINICALTRIALS.GOV NCT02146105. 2015 19 2712 36 YOGA LEADS TO MULTIPLE PHYSICAL IMPROVEMENTS AFTER STROKE, A PILOT STUDY. OBJECTIVE: TO ASSESS CHANGE IN PHYSICAL FUNCTIONING (PAIN, RANGE OF MOTION (ROM), STRENGTH, AND ENDURANCE) AFTER 8 WEEKS OF THERAPEUTIC-YOGA. DESIGN: PLANNED ANALYSES OF DATA FROM A RANDOMIZED PILOT STUDY OF YOGA AFTER STROKE. SETTING: UNIVERSITY-BASED RESEARCH LABORATORY. PARTICIPANTS: PEOPLE WITH CHRONIC STROKE (N=47) RANDOMIZED TO THERAPEUTIC-YOGA (N=37) OR WAIT-LIST CONTROL (N=10). INTERVENTIONS: 16 SESSIONS OF THERAPEUTIC YOGA (TWICE A WEEK/8 WEEKS). YOGA WAS DELIVERED IN A STANDARDIZED AND PROGRESSIVE FORMAT WITH POSTURES, BREATHING, AND MEDITATION, AND RELAXATION IN SITTING, STANDING, AND SUPINE. MAIN MEASURES: PAIN WAS ASSESSED WITH THE PEG, A 3-ITEM FUNCTIONAL MEASURE OF THE INTERFERENCE OF PAIN. ROM INCLUDED NECK AND HIP ACTIVE AND PASSIVE ROM MEASUREMENTS). UPPER AND LOWER EXTREMITY STRENGTH WERE ASSESSED WITH THE ARM CURL TEST AND CHAIR-TO-STAND TEST, RESPECTIVELY. ENDURANCE WAS ASSESSED WITH THE 6-MINUTE WALK AND MODIFIED 2-MIN STEP TEST. RESULTS: AFTER A BONFERRONI CORRECTION, PAIN, NECK ROM, HIP PASSIVE ROM, UPPER EXTREMITY STRENGTH, AND THE 6-MIN WALK SCORES ALL SIGNIFICANTLY IMPROVED AFTER 8 WEEKS OF ENGAGING IN YOGA. NO CHANGES OCCURRED IN THE WAIT-LIST CONTROL GROUP. CONCLUSIONS: A GROUP THERAPEUTIC-YOGA INTERVENTION MAY IMPROVE MULTIPLE ASPECTS OF PHYSICAL FUNCTIONING AFTER STROKE. SUCH AN INTERVENTION MAY BE COMPLEMENTARY TO TRADITIONAL REHABILITATION. 2014 20 387 33 BENEFITS OF THAI YOGA ON PHYSICAL MOBILITY AND LOWER LIMB MUSCLE STRENGTH IN OVERWEIGHT/OBESE OLDER WOMEN: A RANDOMIZED CONTROLLED PILOT TRIAL. BACKGROUND AND PURPOSE: ALTHOUGH THAI YOGA (TY) IS REPORTED TO IMPROVE HEALTH-RELATED FITNESS FOR THE ELDERLY, NO STUDY HAS YET CARRIED OUT THE EFFECT OF TY PROGRAM ON PHYSICAL MOBILITY AND LOWER-LIMB MUSCLE STRENGTH IN OVERWEIGHT/OBESE OLDER WOMEN. MATERIALS AND METHODS: IN A RANDOMIZED CONTROLLED PILOT DESIGN, TWENTY-TWO SEDENTARY WOMEN WITH A BMI >/= 23 KG/M(2), AGED 62 +/- 1 YEARS WERE RANDOMLY ASSIGNED TO EITHER A TY GROUP FOR 60 MIN, 3 TIMES A WEEK OR TO A "NO EXERCISE" CONTROL (CON) GROUP. SIT AND REACH (SRT), FUNCTIONAL REACH (FRT) AND 30-S CHAIR STAND (CST-30), 8-FOOT UP AND GO (8UGT), 6-MIN WALK (6MWT)) AND LOWER-LIMB MUSCLE STRENGTH WERE MEASURED AT THE BEGINNING, 4, AND 8 WEEKS. RESULTS: AT WEEK 4, A SIGNIFICANT BETWEEN GROUPS WAS OBTAINED IN CST-30, 8UGT, AND 6MWT. AT WEEK 8, FRT, 8UGT, 6MWT AND KNEE FLEXOR AND EXTENSOR MUSCLE STRENGTH WERE IMPROVED IN THE TY OVER THE CON. SIGNIFICANT IMPROVEMENT WAS FOUND IN ALL VARIABLES WITHIN THE TY, BUT NO CHANGE WAS OBSERVED IN THE CON. CONCLUSION: AN 8-WEEK TY PROGRAM APPEARS TO PROVIDE BENEFICIAL IMPROVEMENTS IN PHYSICAL MOBILITY IN OVERWEIGHT/OBESE OLDER WOMEN. 2021