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 2 506 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 3 1672 39 NONLINEAR MEASURES IN POSTUROGRAPHY COMPARED TO LINEAR MEASURES BASED ON YOGA POSES PERFORMANCE. PURPOSE: YOGA IS KNOWN AS A TYPE OF EXERCISE THAT COMBINES PHYSICAL, MENTAL AND SPIRITUAL ASPECTS. THERE HAS NOT BEEN MUCH RESEARCH ON THE POSTURAL CONTROL IN VARIOUS YOGA POSES. THE AIM OF THIS STUDY WAS TO EXAMINE COP REGULARITY IN BOTH YOGA INSTRUCTORS AND NOVICES DURING THE PERFORMANCE OF FOUR YOGA POSES, AND TO VERIFY THE SENSITIVITY OF LINEAR AND NONLINEAR METHODS FOR ASSESSING POSTURAL STABILITY. METHODS: THE DYNAMIC CHARACTERISTICS OF COP FLUCTUATIONS WERE EXAMINED USING LINEAR AND NONLINEAR METHODS ON A GROUP OF 22 YOGA INSTRUCTORS (Y) AND 18 AGE-MATCHED NON-PRACTITIONERS OF YOGA (NY). THE STUDY INVOLVED MAINTAINING A BALANCE FOR 20 SECONDS WHILE PERFORMING FOUR YOGA POSES. RESULTS: CONVENTIONAL ANALYSIS OF COP TRAJECTORIES SHOWED THAT NY AND Y EXHIBITED SIMILAR CONTROL OF POSTURAL SWAY, AS INDICATED BY SIMILAR COP PATH-LENGTH AND AREA VALUES OBSERVED IN BOTH GROUPS. THESE RESULTS SUGGEST THAT THE SPECIAL BALANCE YOGA TRAINING RECEIVED BY Y MAY NOT HAVE AN IMPACT ON LESS CHALLENGING BALANCE CONDITIONS, SUCH AS THE POSES USED IN THIS EXPERIMENT. INTERESTINGLY, NONLINEAR DYNAMICAL ANALYSIS OF COP SHOWED THAT Y EXHIBITED LESS COP REGULARITY AND MORE COMPLEX SIGNAL THAN NY, AS EVIDENCED BY HIGHER VALUES OF SAMPLE ENTROPY AND FRACTAL DIMENSION. CONCLUSIONS: THE RESULTS SHED LIGHT ON THE SURPLUS VALUES OF COP TRAJECTORIES IN THE NONLINEAR DYNAMICAL ANALYSIS TO GAIN FURTHER INSIGHT INTO THE MECHANISMS INVOLVED IN POSTURE CONTROL. 2020 4 550 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 5 630 39 DIFFERENCES IN ENERGY EXPENDITURE DURING HIGH-SPEED VERSUS STANDARD-SPEED YOGA: A RANDOMIZED SEQUENCE CROSSOVER TRIAL. OBJECTIVES: TO COMPARE ENERGY EXPENDITURE AND VOLUME OF OXYGEN CONSUMPTION AND CARBON DIOXIDE PRODUCTION DURING A HIGH-SPEED YOGA AND A STANDARD-SPEED YOGA PROGRAM. DESIGN: RANDOMIZED REPEATED MEASURES CONTROLLED TRIAL. SETTING: A LABORATORY OF NEUROMUSCULAR RESEARCH AND ACTIVE AGING. INTERVENTIONS: SUN-SALUTATION B WAS PERFORMED, FOR EIGHT MINUTES, AT A HIGH SPEED VERSUS AND A STANDARD-SPEED SEPARATELY WHILE OXYGEN CONSUMPTION WAS RECORDED. CALORIC EXPENDITURE WAS CALCULATED USING VOLUME OF OXYGEN CONSUMPTION AND CARBON DIOXIDE PRODUCTION. MAIN OUTCOME MEASURES: DIFFERENCE IN ENERGY EXPENDITURE (KCAL) OF HSY AND SSY. RESULTS: SIGNIFICANT DIFFERENCES WERE OBSERVED IN ENERGY EXPENDITURE BETWEEN YOGA SPEEDS WITH HIGH-SPEED YOGA PRODUCING SIGNIFICANTLY HIGHER ENERGY EXPENDITURE THAN STANDARD-SPEED YOGA (MD=18.55, SE=1.86, P<0.01). SIGNIFICANT DIFFERENCES WERE ALSO SEEN BETWEEN HIGH-SPEED AND STANDARD-SPEED YOGA FOR VOLUME OF OXYGEN CONSUMED AND CARBON DIOXIDE PRODUCED. CONCLUSIONS: HIGH-SPEED YOGA RESULTS IN A SIGNIFICANTLY GREATER CALORIC EXPENDITURE THAN STANDARD-SPEED YOGA. HIGH-SPEED YOGA MAY BE AN EFFECTIVE ALTERNATIVE PROGRAM FOR THOSE TARGETING CARDIOMETABOLIC MARKERS. 2016 6 626 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 7 884 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 8 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 9 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 10 896 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 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 1144 26 ELECTROMYOGRAPHIC PATTERN DURING GAIT INITIATION DIFFERENTIATES YOGA PRACTITIONERS AMONG PHYSICALLY ACTIVE OLDER SUBJECTS. DURING GAIT INITIATION, POSTURAL ADJUSTMENTS ARE NEEDED TO DEAL WITH BALANCE AND MOVEMENT. WITH AGING, GAIT INITIATION CHANGES AND REFLECTS FUNCTIONAL DEGRADATION OF FRAILTY INDIVIDUALS. HOWEVER, PHYSICAL ACTIVITIES HAVE DEMONSTRATED BENEFICIAL EFFECTS OF DAILY MOTOR TASKS. THE AIM OF OUR STUDY WAS TO COMPARE CENTER OF PRESSURE (COP) DISPLACEMENT AND ANKLE MUSCLE CO-ACTIVATION DURING GAIT INITIATION IN TWO PHYSICALLY ACTIVE GROUPS: A GROUP OF WALKERS (N = 12; MEAN AGE +/- SD 72.6 +/- 3.2 YEARS) AND A YOGA GROUP (N = 11; 71.5 +/- 3.8 YEARS). COP TRAJECTORY AND ELECTROMYOGRAPHY OF LEG MUSCLES WERE RECORDED SIMULTANEOUSLY DURING FIVE SUCCESSIVE TRIALS OF GAIT INITIATION. OUR MAIN FINDING WAS THAT YOGA PRACTITIONERS HAD SLOWER COP DISPLACEMENTS (P < 0.01) AND LOWER LEG MUSCLES % OF COACTIVATION (P < 0.01) IN COMPARISON WITH WALKERS. THESE PARAMETERS WHICH CHARACTERIZED GAIT INITIATION CONTROL WERE CORRELATED (R = 0.76; P < 0.01). OUR RESULTS EMPHASIZE THAT LENGTHY ANKLE MUSCLE CO-ACTIVATION AND COP PATH IN GAIT INITIATION DIFFERENTIATE YOGA PRACTITIONERS AMONG PHYSICALLY ACTIVE SUBJECTS. 2017 13 552 40 CORE MUSCLE FUNCTION DURING SPECIFIC YOGA POSES. OBJECTIVE: TO ASSESS THE POTENTIAL USE OF 11 YOGA POSES IN SPECIFIC TRAINING AND REHABILITATION PROGRAMS VIA EXAMINATION OF THE MUSCLE ACTIVATION PATTERNS IN SELECTED TRUNK AND HIP MUSCLES. DESIGN: REPEATED-MEASURES DESCRIPTIVE STUDY. SETTING: UNIVERSITY LABORATORY, US. PARTICIPANTS: THIRTY HEALTHY YOGA PRACTITIONERS WITH MORE THAN 3 MONTHS YOGA PRACTICE EXPERIENCE (MEAN AGE+/-SD, 32.0+/-12.3 Y; 8 M/22 F) PARTICIPATED. INTERVENTIONS: SURFACE ELECTROMYOGRAPHIC SIGNALS OF UPPER RECTUS ABDOMINIS, LOWER RECTUS ABDOMINIS, LONGISSIMUS THORACIS, EXTERNAL OBLIQUE ABDOMINIS AND GLUTEUS MAXIMUM MUSCLE WERE RECORDED IN 11 YOGA POSES: HALFWAY LIFT, FORWARD FOLD, DOWNWARD FACING DOG, UPWARD FACING DOG, HIGH PLANK, LOW PLANK, CHAIR, MOUNTAIN WITH ARMS DOWN, MOUNTAIN WITH ARMS UP, WARRIOR 1 (BOTH SIDES). MAIN OUTCOME MEASURES: ROOT MEAN SQUARE VALUES OF EACH MUSCLE DURING EACH POSE, NORMALIZED BY THE MAXIMAL VOLUNTARY CONTRACTION. RESULTS: THERE WERE SIGNIFICANT MAIN EFFECTS OF POSE (P<.001) AND MUSCLE (P<.001), AND A SIGNIFICANT POSEXMUSCLE INTERACTION (P=.001). THE POST HOC ANALYSIS REVEALED UNIQUE PATTERNS FOR THE FIVE MUSCLES OF INTEREST FOR EACH OF THE 11 POSES (P<.024). CONCLUSIONS: VARIATIONS IN CORE MUSCLE FIRING PATTERNS DEPEND ON THE TRUNK AND PELVIC POSITIONS DURING THESE POSES. TRAINING PROGRAMS CAN BE DEVELOPED BY CHOOSING PARTICULAR POSES TO TARGET SPECIFIC CORE MUSCLES FOR ADDRESSING LOW BACK PAIN AND DECLINES IN PERFORMANCE. THE HIGH PLANK, LOW PLANK AND DOWNWARD FACING DOG POSES ARE EFFECTIVE FOR STRENGTHENING EXTERNAL OBLIQUE ABDOMINIS, CHAIR AND WARRIOR 1 POSES FOR TARGETING GLUTEUS MAXIMUM, AND CHAIR AND HALFWAY LIFT POSES FOR STRENGTHENING LONGISSIMUS THORACIS. AND THESE THREE MUSCLES COULD BE STRENGTHENED BY THE UPWARD FACING DOG POSE. 2014 14 965 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 15 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 16 2718 50 YOGA MEDITATION (YOMED) AND ITS EFFECT ON PROPRIOCEPTION AND BALANCE FUNCTION IN ELDERS WHO HAVE FALLEN: A RANDOMIZED CONTROL STUDY. OBJECTIVE: YOGA HAS BEEN SHOWN TO IMPROVE MUSCLE STRENGTH, FLEXIBILITY, AND BALANCE. HOWEVER, THE IMPACT OF MEDITATION ON DYNAMIC FACTORS SUCH AS GAIT, REACTIVE BALANCE AND PROPRIOCEPTION HAS YET TO BE EXAMINED. THE PURPOSE OF THIS STUDY WAS TO TEST IF A NOVEL YOGA MEDITATION PROGRAM (YOMED) IS AS EFFECTIVE AS A STANDARD PROPRIOCEPTIVE TRAINING IN IMPROVING PROPRIOCEPTION, BALANCE AND POWER IN OLDER INDIVIDUALS WHO HAVE FALLEN. DESIGN: SIXTEEN OLDER PERSONS WERE RANDOMLY ASSIGNED TO EITHER THE YOMED GROUP (YM) OR PROPRIOCEPTION TRAINING GROUP (PT). EACH GROUP RECEIVED 45MIN OF TRAINING, 3DAYS PER WEEK, FOR 6 WEEKS. PRETEST AND POST-TEST OUTCOME MEASURES WERE USED TO QUANTIFY THE COMPARATIVE EFFECTS OF THE INTERVENTIONS. SETTING: RESEARCH LABORATORY. INTERVENTIONS: YOGA MEDITATION AND PROPRIOCEPTIVE TRAINING. MAIN OUTCOME MEASURES: THE BALANCE ERROR SCORING SYSTEM (BESS), THE TENETTI BALANCE AND GAIT ASSESSMENT, DYNAMIC POSTUROGRAPHY, JOINT POSITION SENSE, JOINT KINESTHESIA AND LEG EXTENSOR POWER. RESULTS: THE PRIMARY FINDINGS OF THE STUDY WERE THAT NEITHER THE YM OR PT INTERVENTION GROUPS SHOWED STATISTICAL IMPROVEMENTS IN ANY VARIABLE WITH THE EXCEPTION OF THE DYNAMIC POSTUROGRAPHY OVERALL SCORE (DMA), WHICH SHOWED A SIGNIFICANT IMPROVEMENT BY THE YM GROUP (D=1.238; P=0.049). ADDITIONALLY CHANGES IN A NUMBER OF VARIABLES THAT DID NOT REACH SIGNIFICANCE DEMONSTRATED EFFECT SIZES IN THE MEDIUM TO HIGH RANGE. CONCLUSION: THESE RESULTS INDICATE THE POTENTIAL FOR THE YOMED PROGRAM TO BE USED AS A CLINICAL INTERVENTION IN OLDER INDIVIDUALS. GIVEN THESE RESULTS A LONGER STUDY USING A LARGER SAMPLE SIZE AND INDIVIDUALS AT HIGHER RISK OF FALLING IS WARRANTED. 2018 17 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 18 860 37 EFFECT OF YOGA PRACTICE ON REDUCING COGNITIVE-MOTOR INTERFERENCE FOR IMPROVING DYNAMIC BALANCE CONTROL IN HEALTHY ADULTS. OBJECTIVE: THE PURPOSE OF OUR STUDY WAS TO INVESTIGATE THE EFFECTS OF YOGA ON REDUCING COGNITIVE-MOTOR INTERFERENCE (CMI) FOR MAINTAINING BALANCE CONTROL DURING VARIED BALANCE TASKS. METHOD: YOGA (N=10) AND AGE-SIMILAR NON-PRACTITIONERS (N=10) PERFORMED THREE BALANCE TASKS INCLUDING THE LIMITS OF STABILITY TEST (LOS - INTENTIONAL BALANCE), MOTOR CONTROL TEST (MCT - REACTIVE BALANCE), AND SENSORY ORGANIZATION TEST (SOT -CONDITION 6: INDUCING BOTH SOMATOSENSORY AND VISUAL CONFLICTS) UNDER SINGLE-TASK (ST) AND DUAL-TASK (DT, ADDITION OF A COGNITIVE WORKING MEMORY TASK) CONDITIONS. THE MOTOR PERFORMANCE WAS ASSESSED BY RECORDING THE RESPONSE TIME (RT) AND MOVEMENT VELOCITY (MV) OF THE CENTER OF PRESSURE (COP) ON LOS TEST, WEIGHT SYMMETRY (WS) OF COP ON THE MCT TEST AND EQUILIBRIUM (EQ) OF COP ON THE SOT TEST. COGNITIVE PERFORMANCE WAS RECORDED AS THE NUMBER OF CORRECT RESPONSES ENUMERATED IN SITTING (ST) AND UNDER DT CONDITIONS. THE MOTOR COST (MC) AND COGNITIVE COST (CC) WERE COMPUTED USING THE FORMULA ([ST-DT]/ST)*100 FOR ALL THE VARIABLES. GREATER COST INDICATES LOWER PERFORMANCE UNDER DT VERSUS ST CONDITION. RESULTS: THE YOGA GROUP SHOWED A SIGNIFICANTLY LESSER MC FOR BOTH MCT AND SOT TESTS (P<0.05) IN COMPARISON TO THEIR COUNTERPARTS. THE CC WERE SIGNIFICANTLY LOWER ON LOS AND MCT TEST FOR THE YOGA GROUP (P<0.05). CONCLUSION: RESULTS SUGGEST THAT YOGA PRACTICE CAN SIGNIFICANTLY REDUCE CMI BY IMPROVING ALLOCATION AND UTILIZATION OF ATTENTIONAL RESOURCES FOR BOTH BALANCE CONTROL AND EXECUTIVE COGNITIVE FUNCTIONING; THUS RESULTING IN BETTER PERFORMANCE UNDER DT CONDITIONS. 2017 19 996 42 EFFECTS OF INSPIRATORY MUSCLE TRAINING AND YOGA BREATHING EXERCISES ON RESPIRATORY MUSCLE FUNCTION IN INSTITUTIONALIZED FRAIL OLDER ADULTS: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: IN OLDER ADULTS, RESPIRATORY FUNCTION MAY BE SERIOUSLY COMPROMISED WHEN A MARKED DECREASE OF RESPIRATORY MUSCLE (RM) STRENGTH COEXISTS WITH COMORBIDITY AND ACTIVITY LIMITATION. RESPIRATORY MUSCLE TRAINING HAS BEEN WIDELY STUDIED AND RECOMMENDED AS A TREATMENT OPTION FOR PEOPLE WHO ARE UNABLE TO PARTICIPATE IN WHOLE-BODY EXERCISE TRAINING (WBET); HOWEVER, THE EFFECTS OF INSPIRATORY MUSCLE TRAINING AND YOGA BREATHING EXERCISES ON RM FUNCTION REMAIN UNKNOWN, SPECIFICALLY IN IMPAIRED OLDER ADULTS. PURPOSE: TO EVALUATE THE EFFECTS OF INSPIRATORY THRESHOLD TRAINING (ITT) AND YOGA RESPIRATORY TRAINING (YRT) ON RM FUNCTION IN INSTITUTIONALIZED FRAIL OLDER ADULTS. METHODS: EIGHTY-ONE RESIDENTS (90% WOMEN; MEAN AGE, 85 YEARS), WHO WERE UNABLE TO PERFORM WBET (INABILITY TO INDEPENDENTLY WALK MORE THAN 10 M), WERE RANDOMLY ASSIGNED TO A CONTROL GROUP OR ONE OF THE 2 EXPERIMENTAL GROUPS (ITT OR YRT). EXPERIMENTAL GROUPS PERFORMED A SUPERVISED INTERVAL-BASED TRAINING PROTOCOL, EITHER THROUGH THRESHOLD INSPIRATORY MUSCLE TRAINING DEVICE OR YOGA BREATHING EXERCISES, WHICH LASTED 6 WEEKS (5 DAYS PER WEEK). OUTCOME MEASURES WERE COLLECTED AT 4 TIME POINTS (PRETRAINING, INTERMEDIATE, POSTTRAINING, AND FOLLOW-UP) AND INCLUDED THE MAXIMUM RESPIRATORY PRESSURES (MAXIMUM INSPIRATORY PRESSURE [MIP] AND MAXIMUM EXPIRATORY PRESSURE [MEP]) AND THE MAXIMUM VOLUNTARY VENTILATION (MVV). RESULTS: SEVENTY-ONE RESIDENTS COMPLETED THE STUDY: CONTROL (N = 24); ITT (N = 23); YRT (N = 24). THE TREATMENT ON HAD A SIGNIFICANT EFFECT ON MIP YRT (F(6,204) = 6.755, P < .001, ETA2 = 0.166), MEP (F(6,204) = 4.257, P < .001, ETA2 = 0.111), AND MVV (F(6,204) = 5.322, P < .001, ETA2 = 0.135). ANALYSES SHOWED THAT THE YRT GROUP HAD A GREATER INCREASE OF RM STRENGTH (MIP AND MEP) AND ENDURANCE (MVV) THAN CONTROL AND/OR ITT GROUPS. CONCLUSION: YOGA RESPIRATORY TRAINING APPEARS TO BE AN EFFECTIVE AND WELL-TOLERATED EXERCISE REGIMEN IN FRAIL OLDER ADULTS AND MAY THEREFORE BE A USEFUL ALTERNATIVE TO ITT OR NO TRAINING, TO IMPROVE RM FUNCTION IN OLDER POPULATION, WHEN WBET IS NOT POSSIBLE. 2014 20 2328 21 TRUNK AND HIP MUSCLE ACTIVATION DURING YOGA POSES: DO SEX-DIFFERENCES EXIST? OBJECTIVE: TO COMPARE CORE ACTIVATION DURING YOGA BETWEEN MALES AND FEMALES. METHODS: SURFACE ELECTROMYOGRAPHY WAS USED TO QUANTIFY RECTUS ABDOMINIS (RA), ABDOMINAL OBLIQUES (AO), LUMBAR EXTENSORS (LE), AND GLUTEUS MAXIMUS (GMX) ACTIVATION DURING FOUR YOGA POSES. DATA WERE EXPRESSED AS 100% OF A MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION. MIXED-MODEL 2X2 ANALYSES OF VARIANCE WITH REPEATED MEASURES WERE USED TO DETERMINE BETWEEN-SEX DIFFERENCES IN MUSCLE ACTIVITY. RESULTS: FEMALES GENERATED GREATER RA ACTIVITY THAN MALES DURING THE HIGH PLANK (P<0.0001) AND DOMINANT-SIDE WARRIOR 1 (P=0.017). THEY GENERATED GREATER AO (P<0.0001) AND GMX (P=0.004) ACTIVITY DURING THE HIGH PLANK (P<0.0001). NO BETWEEN-SEX EMG ACTIVITY DIFFERENCES EXISTED FOR THE CHAIR AND UPWARD FACING DOG. CONCLUSION: FINDINGS HAVE PROVIDED PRELIMINARY EVIDENCE FOR BETWEEN-SEX DIFFERENCES IN MUSCLE ACTIVATION DURING YOGA POSES. CLINICIANS SHOULD CONSIDER SUCH DIFFERENCES WHEN PRESCRIBING YOGA TO IMPROVE MUSCLE STRENGTH AND ENDURANCE. 2018