1  408 145 BIOMECHANICAL CHARACTERISTICS ON THE LOWER EXTREMITY OF THREE TYPICAL YOGA MANOEUVRES. THIS STUDY WAS AIMED AT EXPLORING THE BIOMECHANICAL CHARACTERISTICS OF THE LOWER EXTREMITY AMONGST THREE TYPICAL YOGA MANOEUVRES. A TOTAL OF THIRTEEN EXPERIENCED FEMALE YOGA PRACTITIONERS WERE RECRUITED IN THE CURRENT STUDY; THEY WERE ALL CERTIFIED WITH THE YOGA ALLIANCE. A THREE-DIMENSIONAL MOTION CAPTURE SYSTEM WITH 10 CAMERAS COMBINED WITH FOUR SYNCHRONISED FORCE PLATES WAS USED TO COLLECT KINEMATICS OF THE LOWER EXTREMITY AND GROUND REACTIVE FORCE WHILST THE PARTICIPANTS PERFORMED THE CRESCENT LUNGE POSE, WARRIOR II POSE, AND TRIANGLE POSE. ONE-WAY REPEATED ANOVA WAS USED IN EXPLORING THE DIFFERENCES AMONGST THE THREE YOGA MOVEMENTS, AND THE SIGNIFICANCE WAS SET TO ALPHA < 0.05. THE TRIANGLE POSE PERFORMED THE LARGEST RANGE OF MOTION (ROM) OF THE HIP (90.5 DEGREES +/- 22.9 DEGREES ), KNEE (68.8 DEGREES +/- 23.1 DEGREES ), AND ANKLE (46.4 DEGREES +/- 11.3 DEGREES ) IN THE SAGITTAL PLANE AND THE HIP (54.8 DEGREES +/- 6.5 DEGREES ), KNEE (42.4 DEGREES +/- 12.8 DEGREES ), AND ANKLE (4.8 DEGREES +/- 1.7 DEGREES ) IN THE FRONTAL PLANE AMONGST THE THREE MANOEUVRES (P < 0.05). NO SIGNIFICANT DIFFERENCE WAS FOUND FOR THE HIP AND ANKLE JOINT MOMENT AMONGST THE THREE MANOEUVRES (P > 0.05). KNEE JOINT TRAVELLED INTO 9.5 DEGREES OF EXTENSION AND SLIGHT ADDUCTION OF 1.94 DEGREES WHILST EXPRESSING THE LARGEST KNEE JOINT ADDUCTION MOMENTS (0.30 +/- 0.22 NM/KG) IN THE TRIANGLE POSE. THE DISTRIBUTION OF THE ANGULAR IMPULSE OF THE LOWER LIMB JOINTS INDICATED THAT THE HIP JOINT CONTRIBUTED SIGNIFICANTLY THE MOST IN THE SAGITTAL AND FRONTAL PLANES OF THE THREE YOGA MANOEUVRES (P < 0.05), RANGING FROM 51.67% TO 70.56%. RESULTS INDICATED THAT TRIANGLE POSE MAY BE SUPERIOR TO THE OTHER TWO MANOEUVRES, WHICH IMPROVED HIP JOINT ROM, STRENGTH, AND DYNAMIC STABILITY. HOWEVER, KNEE INJURIES SUCH AS OSTEOARTHRITIS (OA) SHOULD BE CONSIDERED BECAUSE OF THE LARGE KNEE EXTENSOR ANGLE AND ADDUCTOR MOMENTS.	2021	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
2 1348  31 IDENTIFYING YOGA-BASED KNEE STRENGTHENING EXERCISES USING THE KNEE ADDUCTION MOMENT. BACKGROUND: THIS STUDY AIMED TO COMPARE MUSCLE ACTIVATIONS, CO-CONTRACTION INDICES, AND THE KNEE ADDUCTION MOMENT BETWEEN STATIC STANDING YOGA POSTURES TO IDENTIFY APPROPRIATE EXERCISES FOR KNEE OSTEOARTHRITIS. METHODS: HEALTHY YOUNG WOMEN (24.4 (5.4) YEARS, 23.1 (3.7) KG/M(2)) PARTICIPATED. PRIMARY OUTCOME VARIABLES WERE ELECTROMYOGRAPHIC ACTIVATIONS OF THE VASTUS LATERALIS, RECTUS FEMORIS, VASTUS MEDIALIS, BICEPS FEMORIS, AND SEMITENDINOSUS; CO-CONTRACTION BETWEEN THE BICEPS FEMORIS AND RECTUS FEMORIS, AND VASTUS LATERALIS AND VASTUS MEDIALIS; AND KNEE ADDUCTION MOMENTS OF BOTH LEGS DURING SIX STATIC, STANDING YOGA POSTURES (TWO SQUATTING POSTURES, TWO LUNGING POSTURES, A HAMSTRING STRETCH, AND A SINGLE-LEG BALANCE POSTURE). A TWO-FACTOR REPEATED MEASURES ANALYSIS OF VARIANCE WAS USED TO IDENTIFY DIFFERENCES IN MUSCLE AMPLITUDES, CO-CONTRACTIONS, AND KNEE ADDUCTION MOMENT BETWEEN POSTURES AND LEGS. FINDINGS: QUADRICEPS ACTIVATIONS WERE HIGHEST DURING SQUAT AND LUNGE POSTURES (P</=0.001). HAMSTRING ACTIVATIONS WERE HIGHEST DURING THE HAMSTRING STRETCH (P</=0.003). SQUAT AND LUNGE POSTURES PRODUCED HIGHER CO-CONTRACTION INDICES THAN OTHER POSTURES (P</=0.011). THE WIDE LEGGED SQUAT (GODDESS) AND LUNGE WITH TRUNK UPRIGHT (WARRIOR) PRODUCED THE LOWEST KNEE ADDUCTION MOMENTS (P</=0.006), WHILE THE SINGLE-LEG BALANCE POSTURE ELICITED A HIGHER KNEE ADDUCTION MOMENT THAN ALL OTHER POSTURES (P<0.05). INTERPRETATION: SQUATTING AND LUNGING POSTURES COULD IMPROVE LEG STRENGTH WHILE POTENTIALLY MINIMIZING EXPOSURE TO HIGH KNEE ADDUCTION MOMENTS. FUTURE WORK SHOULD EVALUATE WHETHER THESE EXERCISES ARE USEFUL IN PEOPLE WITH KNEE OSTEOARTHRITIS.	2015	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
3 1113  36 EFFICACY OF A BIOMECHANICALLY-BASED YOGA EXERCISE PROGRAM IN KNEE OSTEOARTHRITIS: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVE: CERTAIN EXERCISES COULD OVERLOAD THE OSTEOARTHRITIC KNEE. WE DEVELOPED AN EXERCISE PROGRAM FROM YOGA POSTURES WITH A MINIMAL KNEE ADDUCTION MOMENT FOR KNEE OSTEOARTHRITIS. THE PURPOSE WAS TO COMPARE THE EFFECTIVENESS OF THIS BIOMECHANICALLY-BASED YOGA EXERCISE (YE), WITH TRADITIONAL EXERCISE (TE), AND A NO-EXERCISE ATTENTION-EQUIVALENT CONTROL (NE) FOR IMPROVING PAIN, SELF-REPORTED PHYSICAL FUNCTION AND MOBILITY PERFORMANCE IN WOMEN WITH KNEE OSTEOARTHRITIS. DESIGN: SINGLE-BLIND, THREE-ARM RANDOMIZED CONTROLLED TRIAL. SETTING: COMMUNITY IN SOUTHWESTERN ONTARIO, CANADA. PARTICIPANTS: A CONVENIENCE SAMPLE OF 31 WOMEN WITH SYMPTOMATIC KNEE OSTEOARTHRITIS WAS RECRUITED THROUGH RHEUMATOLOGY, ORTHOPAEDIC AND PHYSIOTHERAPY CLINICS, NEWSPAPERS AND WORD-OF-MOUTH. INTERVENTIONS: PARTICIPANTS WERE STRATIFIED BY DISEASE SEVERITY AND RANDOMLY ALLOCATED TO ONE OF THREE 12-WEEK, SUPERVISED INTERVENTIONS. YE INCLUDED BIOMECHANICALLY-BASED YOGA EXERCISES; TE INCLUDED TRADITIONAL LEG STRENGTHENING ON MACHINES; AND NE INCLUDED MEDITATION WITH NO EXERCISE. PARTICIPANTS WERE ASKED TO ATTEND THREE 1-HOUR GROUP CLASSES/SESSIONS EACH WEEK. MEASUREMENTS: PRIMARY OUTCOMES WERE PAIN, SELF-REPORTED PHYSICAL FUNCTION AND MOBILITY PERFORMANCE. SECONDARY OUTCOMES WERE KNEE STRENGTH, DEPRESSION, AND HEALTH-RELATED QUALITY OF LIFE. ALL WERE ASSESSED BY A BLINDED ASSESSOR AT BASELINE AND IMMEDIATELY FOLLOWING THE INTERVENTION. RESULTS: THE YE GROUP DEMONSTRATED GREATER IMPROVEMENTS IN KOOS PAIN (MEAN DIFFERENCE OF 22.9 [95% CI, 6.9 TO 38.8; P = 0.003]), INTERMITTENT PAIN (MEAN DIFFERENCE OF -19.6 [95% CI, -34.8 TO -4.4; P = 0.009]) AND SELF-REPORTED PHYSICAL FUNCTION (MEAN DIFFERENCE OF 17.2 [95% CI, 5.2 TO 29.2; P = 0.003]) COMPARED TO NE. IMPROVEMENTS IN THESE OUTCOMES WERE SIMILAR BETWEEN YE AND TE. HOWEVER, TE DEMONSTRATED A GREATER IMPROVEMENT IN KNEE FLEXOR STRENGTH COMPARED TO YE (MEAN DIFFERENCE OF 0.1 [95% CI, 0.1 TO 0.2]. IMPROVEMENTS FROM BASELINE TO FOLLOW-UP WERE PRESENT IN QUALITY OF LIFE SCORE FOR YE AND KNEE FLEXOR STRENGTH FOR TE, WHILE BOTH ALSO DEMONSTRATED IMPROVEMENTS IN MOBILITY. NO IMPROVEMENT IN ANY OUTCOME WAS PRESENT IN NE. CONCLUSIONS: THE BIOMECHANICALLY-BASED YOGA EXERCISE PROGRAM PRODUCED CLINICALLY MEANINGFUL IMPROVEMENTS IN PAIN, SELF-REPORTED PHYSICAL FUNCTION AND MOBILITY IN WOMEN WITH CLINICAL KNEE OA COMPARED TO NO EXERCISE. WHILE NOT STATISTICALLY SIGNIFICANT, IMPROVEMENTS IN THESE OUTCOMES WERE LARGER THAN THOSE ELICITED FROM THE TRADITIONAL EXERCISE-BASED PROGRAM. THOUGH THIS MAY SUGGEST THAT THE YOGA PROGRAM MAY BE MORE EFFICACIOUS FOR KNEE OA, FUTURE RESEARCH STUDYING A LARGER SAMPLE IS REQUIRED. TRIAL REGISTRATION: CLINICALTRIALS.GOV (NCT02370667).	2018	
                                                                                                                                                                                                                                                                 
4  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	

5 2064  43 THE BIOMECHANICAL DEMANDS OF STANDING YOGA POSES IN SENIORS: THE YOGA EMPOWERS SENIORS STUDY (YESS). BACKGROUND: THE NUMBER OF OLDER ADULTS PARTICIPATING IN YOGA HAS INCREASED DRAMATICALLY IN RECENT YEARS; YET, THE PHYSICAL DEMANDS ASSOCIATED WITH YOGA PERFORMANCE HAVE NOT BEEN REPORTED. THE PRIMARY AIM OF THE YOGA EMPOWERS SENIORS STUDY (YESS) WAS TO USE BIOMECHANICAL METHODS TO QUANTIFY THE PHYSICAL DEMANDS ASSOCIATED WITH THE PERFORMANCE OF 7 COMMONLY-PRACTICED STANDING YOGA POSES IN OLDER ADULTS. METHODS: 20 AMBULATORY OLDER ADULTS (70.7+-3.8 YRS) ATTENDED 2 WEEKLY 60-MINUTE HATHA YOGA CLASSES FOR 32 WEEKS. THE LOWER-EXTREMITY NET JOINT MOMENTS OF FORCE (JMOFS), WERE OBTAINED DURING THE PERFORMANCE OF THE FOLLOWING POSES: CHAIR, WALL PLANK, TREE, WARRIOR II, SIDE STRETCH, CRESCENT, AND ONE-LEGGED BALANCE. REPEATED-MEASURE ANOVA AND TUKEY'S POST-HOC TESTS WERE USED TO IDENTIFY DIFFERENCES IN JMOFS AMONG THE POSES. ELECTROMYOGRAPHIC ANALYSIS WAS USED TO SUPPORT THE JMOF FINDINGS. RESULTS: THERE WAS A SIGNIFICANT MAIN EFFECT FOR POSE, AT THE ANKLE, KNEE AND HIP, IN THE FRONTAL AND SAGITTAL PLANES (P=0.00-0.03). THE CRESCENT, CHAIR, WARRIOR II, AND ONE-LEGGED BALANCE POSES GENERATED THE GREATEST AVERAGE SUPPORT MOMENTS. SIDE STRETCH GENERATED THE GREATEST AVERAGE HIP EXTENSOR AND KNEE FLEXOR JMOFS. CRESCENT PLACED THE HIGHEST DEMANDS ON THE HIP FLEXORS AND KNEE EXTENSORS. ALL OF THE POSES PRODUCED ANKLE PLANTAR-FLEXOR JMOFS. IN THE FRONTAL PLANE, THE TREE GENERATED THE GREATEST AVERAGE HIP AND KNEE ABDUCTOR JMOFS; WHEREAS WARRIOR II GENERATED THE GREATEST AVERAGE HIP AND KNEE ADDUCTOR JMOFS. WARRIOR II AND ONE-LEGGED BALANCE INDUCED THE LARGEST AVERAGE ANKLE EVERTOR AND INVERTOR JMOFS, RESPECTIVELY. THE ELECTROMYOGRAPHIC FINDINGS WERE CONSISTENT WITH THE JMOF RESULTS. CONCLUSIONS: MUSCULOSKELETAL DEMAND VARIED SIGNIFICANTLY ACROSS THE DIFFERENT POSES. THESE FINDINGS MAY BE USED TO GUIDE THE DESIGN OF EVIDENCE-BASED YOGA INTERVENTIONS THAT ADDRESS INDIVIDUAL-SPECIFIC TRAINING AND REHABILITATION GOALS IN SENIORS. CLINICAL TRIAL REGISTRATION: THIS STUDY IS REGISTERED WITH NIH CLINICALTRIALS.GOV #NCT 01411059.	2013	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
6 1757  33 POSITION OF THE HIP IN YOGA. BACKGROUND: YOGA IS GROWING IN POPULARITY AS A FORM OF EXERCISE THROUGHOUT THE WORLD. ORTHOPEDIC PATIENTS PARTICIPATE IN YOGA, YET LITTLE IS KNOWN ABOUT THE RANGES-OF-MOTION OF THE HIP WITHIN VARIOUS YOGA POSES. ORTHOPEDIC SURGEONS ARE UNSURE ABOUT WHAT POTENTIAL POSITIONS THEIR PATIENTS ARE PLACING THEIR HIPS DURING A YOGA PRACTICE. THE AIM OF THIS STUDY IS TO QUANTIFY THE DEGREE OF HIP MOTION WITH COMMON YOGA POSES. METHODS: TWENTY HEALTHY, REGULAR PRACTITIONERS OF YOGA PERFORMED 11 DIFFERENT YOGA POSES IN A STANDARDIZED FASHION. MOTION ANALYSIS WAS USED TO CAPTURE RANGE-OF-MOTION OF THE HIP DURING EACH POSE. RESULTS: MANY YOGA POSES PUT THE HIP IN EXTREMES OF MOTION. POSES SUCH AS DOWNWARD DOG, FORWARD FOLD, SEATED TWIST, AND PIGEON STRESSED THE HIP IN FLEXION. WARRIOR 1, WARRIOR 2, CRESCENT LUNGE, PIGEON, AND TRIANGLE STRESSED THE HIP IN EXTENSION. EAGLE AND SEATED TWIST PUT THE HIP IN HIGHER ADDUCTION, WHILE HALF MOON, EAGLE, AND TRIANGLE PRODUCED MORE HIP INTERNAL ROTATION. CONCLUSION: MANY POSES WERE FOUND TO REACH EXTREMES OF HIP MOTION. THIS STUDY MAY HELP GUIDE THE ORTHOPEDIC SURGEON IN COUNSELING HIP ARTHROPLASTY AND HIP IMPINGEMENT PATIENTS ABOUT YOGA-RELATED ACTIVITY. BY KNOWING WHICH POSES POTENTIALLY STRESS THE HIP IN PARTICULAR PLANES OF MOTION, SURGEONS MAY BETTER INFORM THEIR PATIENTS WHO ARE RETURNING TO YOGA AFTER INJURY OR SURGERY.	2018	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
7 2306  45 TRAINING BENEFITS AND INJURY RISKS OF STANDING YOGA APPLIED IN MUSCULOSKELETAL PROBLEMS: LOWER LIMB BIOMECHANICAL ANALYSIS. STANDING YOGA POSES STRENGTHEN A PERSON'S LEGS AND HELPS TO ACHIEVE THE GOAL OF MUSCULOSKELETAL REHABILITATION, BUT INADEQUATE EXERCISE PLANNING CAN CAUSE INJURIES. THIS STUDY INVESTIGATED CHANGES IN THE ELECTROMYOGRAM AND JOINT MOMENTS OF FORCE (JMOFS) OF LOWER EXTREMITIES DURING COMMON STANDING YOGA POSES IN ORDER TO EXPLORE THE FEASIBILITY AND POSSIBLE INJURY RISK IN DEALING WITH MUSCULOSKELETAL PROBLEMS. ELEVEN YOGA INSTRUCTORS WERE RECRUITED TO EXECUTE FIVE YOGA POSES (CHAIR, TREE, WARRIOR 1, 2, AND 3). THE RESULTS REVEALED SIGNIFICANT DIFFERENCES IN HIP, KNEE, AND ANKLE JMOFS AND VARYING DEGREES OF MUSCLE ACTIVATION AMONG THE POSES. AMONG THESE POSES, RECTUS FEMORIS MUSCLE ACTIVATION DURING THE CHAIR POSE WAS THE HIGHEST, WARRIOR 2 PRODUCED THE HIGHEST MUSCLE ACTIVATION IN THE VASTUS LATERALIS OF THE FRONT LIMB, WHILE WARRIOR 1 HAD THE HIGHEST MUSCLE ACTIVATION IN THE VASTUS MEDIALIS OF THE BACK LIMB. THEREFORE, ALL THREE POSES CAN POSSIBLY BE SUGGESTED AS A THERAPEUTIC INTERVENTION FOR QUADRICEPS STRENGTHENING. WARRIOR 1 WAS POSSIBLY SUGGESTED AS A THERAPEUTIC INTERVENTION IN ORDER TO REDUCE EXCESSIVE LATERAL OVERLOAD OF THE PATELLA, BUT THE POSSIBLE ADVERSE EFFECTS OF WARRIOR 2 WITH THE HIGHEST KNEE ADDUCTOR JMOF IN THE BACK LIMB COULD RAISE JOINT REACTION FORCES ACROSS THE MEDIAL CONDYLES. IN SINGLE-LEG BALANCE POSTURES, WARRIOR 3 HAD UNIQUE TRAINING EFFECTS ON THE HAMSTRING, AND IS THEREFORE SUGGESTED AS A PART OF HAMSTRING REHABILITATION EXERCISES. THE TREE POSE INDUCED LOW LOWER-EXTREMITY JMOFS AND A LOW LEVEL OF THIGH MUSCLE ACTIVATIONS WHEN IT WAS PERFORMED BY SENIOR INSTRUCTORS WITH EXCELLENT BALANCE CONTROL; HOWEVER, FOR YOGA BEGINNERS WITH INSUFFICIENT STABILITY, IT WILL BE A USEFUL TRAINING MODE FOR STRENGTHENING THE MUSCLES THAT HELP TO KEEP ONE UPRIGHT. THIS STUDY QUANTIFIED THE PHYSICAL DEMANDS OF YOGA POSES USING BIOMECHANICAL DATA AND ELUCIDATED THE STRUCTURES AND PRINCIPLES UNDERLYING EACH YOGA MOVEMENT. THIS IS CRUCIAL FOR YOGA PRACTITIONERS.	2021	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
8  322  34 ANKLE MOTION IN COMMON YOGA POSES. BACKGROUND: MOTION OF THE ANKLE IS ESSENTIAL FOR MANY YOGA POSES. AN UNDERSTANDING OF RANGE OF ANKLE MOTION DURING TYPICAL YOGA POSES MAY HELP THE CLINICIAN TO UNDERSTAND EXPECTED OUTCOMES OF PATIENTS WHEN RETURNING FROM ANKLE SURGERY OR INJURY TO YOGA. METHODS: THE BIOMECHANICS OF TWENTY HEALTHY ACTIVE YOGIS WERE COLLECTED DURING SEVEN YOGA POSES THAT ARE COMMON WITHIN THEIR PRACTICES. MOTION CAPTURE AND FORCE PLATES WERE USED TO ASSESS THE RANGE OF MOTION AND JOINT MOMENTS OF THE ANKLE FOR EACH POSE. RESULTS: ALL POSES RESULTED IN PLANTARFLEXION AND EXTERNAL ROTATION MOMENTS AT THE ANKLE JOINTS. JOINT LOADING WAS HIGHEST IN SINGLE LEG POSES. THE ARC OF MOTION USED BY THE STUDY PARTICIPANTS IN THE POSES WAS 29 DEGREES OF SAGITTAL MOTION, 20 DEGREES OF FRONTAL MOTION AND 35 DEGREES OF TRANSVERSE MOTION. DISCUSSION: ANKLE MOTION WAS EVALUATED WHEN HEALTHY YOGIS PERFORM STANDARD POSES. THESE RESULTS MAY HELP IN DISCUSSION WITH PATIENTS REGARDING EXPECTED OUTCOMES AFTER ANKLE INJURY OR SURGERY.	2019	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
9 1741  34 PHYSICAL DEMAND PROFILES OF HATHA YOGA POSTURES PERFORMED BY OLDER ADULTS. UNDERSTANDING THE PHYSICAL DEMANDS PLACED UPON THE MUSCULOSKELETAL SYSTEM BY INDIVIDUAL POSTURES MAY ALLOW EXPERIENCED INSTRUCTORS AND THERAPISTS TO DEVELOP SAFE AND EFFECTIVE YOGA PROGRAMS WHICH REDUCE UNDESIRABLE SIDE EFFECTS. THUS, WE USED BIOMECHANICAL METHODS TO QUANTIFY THE LOWER EXTREMITY JOINT ANGLES, JOINT MOMENTS OF FORCE, AND MUSCLE ACTIVITIES OF 21 HATHA YOGA POSTURES, COMMONLY USED IN SENIOR YOGA PROGRAMS. TWENTY OLDER ADULTS, 70.7 YEARS +/- 3.8 YEARS, PARTICIPATED IN A 32-WK YOGA CLASS (2 D/WK) WHERE THEY LEARNED INTRODUCTORY AND INTERMEDIATE POSTURES (ASANAS). THEY THEN PERFORMED THE ASANAS IN A MOTION ANALYSIS LABORATORY. KINEMATIC, KINETIC, AND ELECTROMYOGRAPHIC DATA WAS COLLECTED OVER THREE SECONDS WHILE THE PARTICIPANTS HELD THE POSES STATICALLY. PROFILES ILLUSTRATING THE POSTURES AND INCLUDING THE BIOMECHANICAL DATA WERE THEN GENERATED FOR EACH ASANA. OUR FINDINGS DEMONSTRATED THAT HATHA YOGA POSTURES ENGENDERED A RANGE OF APPRECIABLE JOINT ANGLES, JMOFS, AND MUSCLE ACTIVITIES ABOUT THE ANKLE, KNEE, AND HIP, AND THAT DEMANDS ASSOCIATED WITH SOME POSTURES AND POSTURE MODIFICATIONS WERE NOT ALWAYS INTUITIVE. THEY ALSO DEMONSTRATED THAT ALL OF THE POSTURES ELICITED APPRECIABLE RECTUS ABDOMINIS ACTIVITY, WHICH WAS UP TO 70% OF THAT INDUCED DURING WALKING.	2013	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
10  552  25 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	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
11 2328  26 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	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
12 2329  24 TRUNK AND HIP MUSCLE ACTIVATION DURING YOGA POSES: IMPLICATIONS FOR PHYSICAL THERAPY PRACTICE. OBJECTIVE: TO DETERMINE AND COMPARE ACTIVATION OF CORE MUSCLES DURING YOGA TO TRADITIONAL BACK EXERCISES. METHODS: SURFACE ELECTROMYOGRAPHY WAS USED TO QUANTIFY ACTIVATION OF THE RECTUS ABDOMINIS (RA), ABDOMINAL OBLIQUES (AO), LUMBAR EXTENSORS (LE), AND GLUTEUS MAXIMUS (GMX) DURING FOUR YOGA POSES. DATA WERE EXPRESSED AS 100% OF A MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION. SEPARATE ANALYSES OF VARIANCE WITH REPEATED MEASURES WERE USED TO COMPARE MUSCLE ACTIVITY ACROSS EACH EXERCISE. RESULTS: SUBJECTS GENERATED GREATER RA (P < 0.0001) AND AO (P < 0.0001) ACTIVITY DURING THE PLANK. THEY GENERATED GREATER AO ACTIVITY (P < 0.0001) DURING THE UPWARD-FACING DOG THAN THE CHAIR AND DOMINANT-SIDE WARRIOR 1. LE ACTIVITY WAS GREATEST (P < 0.0001) DURING THE CHAIR. GMX ACTIVITY WAS SIMILAR (P = 0.09) DURING ALL EXERCISES. CONCLUSION: YOGA POSES MAY HELP IMPROVE CORE ENDURANCE AND STRENGTH. CLINICIANS MAY USE THESE DATA WHEN DEVELOPING AND IMPLEMENTING AN EVIDENCE-BASED CORE EXERCISE PROGRAM FOR INDIVIDUALS WHO PREFER A YOGA TREATMENT STRATEGY.	2017	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
13   58  28 A COMPARISON OF EMG OUTPUT OF FOUR LOWER EXTREMITY MUSCLES DURING SELECTED YOGA POSTURES. THE PURPOSE OF THIS STUDY WAS TO USE SURFACE ELECTROMYOGRAPHY (EMG) ANALYSIS TO EXAMINE THE MUSCLE ACTIVATION OF THE ANTERIOR TIBIALIS (TA), GASTROCNEMIUS (GA), RECTUS FEMORIS (RF) AND BICEPS FEMORIS (BF) MUSCLES DURING SEVERAL YOGA POSES: TREE POSE (VRKSASHANA), HALF MOON POSE (ARDHA CHANDRASANA) AND WARRIOR III (VIRABADRASANA) WHEN COMPARED TO A REST POSE (MOUNTAIN POSE). TEN HEALTHY FEMALES WITH MORE THAN 3 MONTHS OF CONTINUOUS YOGA EXPERIENCE WHO PRACTICED AT LEAST 1.5H PER WEEK WERE RECRUITED. EMG ACTIVITY WAS RECORDED FROM THE AFOREMENTIONED MUSCLES DURING MOUNTAIN POSE ("REST") FOR 30S, THREE TIMES. SUBJECTS THEN PERFORMED THE FOLLOWING YOGA POSES IN A RANDOMIZED SEQUENCE WHILE SURFACE EMG ACTIVITY WAS RECORDED: TREE POSE, HALF-MOON, AND WARRIOR III. EACH POSE WAS HELD FOR 20S TO 30S AND PERFORMED THREE TIMES. EMG DATA WERE BAND PASS FILTERED AND THE ROOT MEAN SQUARE (RMS) WAS OBTAINED. THE PEAK RMS OF EACH OF THE RESTING TRIALS WAS OBTAINED AND AVERAGED TO PRODUCE AN AVERAGE PEAK RESTING RMS VALUE. THE STUDY REVEALED SIGNIFICANTLY GREATER EMG ACTIVITY IN TA AND GA IN ALL THREE POSES WHEN COMPARED TO BF AND RF. BF PRODUCED GREATER EMG ACTIVITY THAN RF IN WARRIOR III. IN CONCLUSION, SINGLE LIMB YOGA POSES REQUIRE INCREASED USE OF THE ANKLE MUSCULATURE WHEN COMPARED TO THIGH MUSCULATURE.	2019	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
14 1743  27 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	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
15  675  34 EFFECT OF A SIX-MONTH YOGA EXERCISE INTERVENTION ON FITNESS OUTCOMES FOR BREAST CANCER SURVIVORS. YOGA-BASED EXERCISE HAS PROVEN TO BE BENEFICIAL FOR PRACTITIONERS, INCLUDING CANCER SURVIVORS. THIS STUDY REPORTS ON THE IMPROVEMENTS IN PHYSICAL FITNESS FOR 20 BREAST CANCER SURVIVORS WHO PARTICIPATED IN A SIX-MONTH YOGA-BASED EXERCISE PROGRAM (YE). RESULTS ARE COMPARED TO A COMPREHENSIVE EXERCISE (CE) PROGRAM GROUP AND A COMPARISON (C) EXERCISE GROUP WHO CHOSE THEIR OWN EXERCISES. "PRE" AND "POST" FITNESS ASSESSMENTS INCLUDED MEASURES OF ANTHROPOMETRICS, CARDIORESPIRATORY CAPACITY, STRENGTH AND FLEXIBILITY. DESCRIPTIVE STATISTICS, EFFECT SIZE (D), DEPENDENT SAMPLE 'T' TESTS FOR ALL OUTCOME MEASURES WERE CALCULATED FOR THE YE GROUP. SIGNIFICANT IMPROVEMENTS INCLUDED: DECREASED % BODY FAT (-3.00%, D = -0.44, P < 0.001); INCREASED SIT TO STAND LEG STRENGTH REPETITIONS (2.05, D = 0.48, P = 0.003); FORWARD REACH (3.59 CM, D = 0.61, P = 0.01); AND RIGHT ARM SAGITTAL RANGE OF MOTION (6.50 DEGREES , D = 0.92, P = 0.05). TO COMPARE YE OUTCOMES WITH THE OTHER TWO GROUPS, A ONE-WAY ANALYSIS OF VARIANCE (ANOVA) WAS USED. YE PARTICIPANTS SIGNIFICANTLY OUTPERFORMED C PARTICIPANTS ON "FORWARD REACH" (3.59 CM GAINED VERSUS -2.44 CM LOST), (P = 0.009) AND OUTPERFORMED CE PARTICIPANTS (3.59 CM GAINED VERSUS 1.35 CM GAINED), BUT NOT STATISTICALLY SIGNIFICANT. OUR RESULTS SUPPORT YOGA-BASED EXERCISE MODIFIED FOR BREAST CANCER SURVIVORS AS SAFE AND EFFECTIVE.	2015	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
16 1283  28 GLUTEAL MUSCLE ACTIVATION DURING COMMON YOGA POSES. BACKGROUND: APPROXIMATELY 24% OF PHYSICAL THERAPISTS REPORT REGULARLY USING YOGA TO STRENGTHEN MAJOR MUSCLE GROUPS. ALTHOUGH CLINICIANS AND ATHLETES OFTEN USE YOGA AS A FORM OF STRENGTH TRAINING, LITTLE IS KNOWN ABOUT THE ACTIVATION OF SPECIFIC MUSCLE GROUPS DURING YOGA POSES, INCLUDING THE GLUTEUS MAXIMUS AND MEDIUS. HYPOTHESIS/PURPOSE: THE PURPOSE OF THIS STUDY WAS TO MEASURE GLUTEUS MAXIMIMUS AND GLUTEUS MEDIUS ACTIVATION VIA ELECTROMYOGRAPHY (EMG) DURING FIVE COMMON YOGA POSES. A SECONDARY PURPOSE OF THE CURRENT STUDY WAS TO EXAMINE DIFFERENCES IN MUSCLE ACTIVATION BETWEEN SEXES AND EXPERIENCE LEVELS. STUDY DESIGN: CROSS-SECTIONAL. METHODS: THIRTY-ONE HEALTHY MALES AND FEMALES AGED 18-35 YEARS WERE TESTED DURING FIVE YOGA POSES PERFORMED IN A RANDOMIZED ORDER. SURFACE EMG ELECTRODES WERE PLACED ON SUBJECTS' RIGHT GLUTEUS MAXIMUS AND GLUTEUS MEDIUS. SUBJECTS PERFORMED THE POSES ON BOTH SIDES FOLLOWING A MAXIMAL VOLUNTARY ISOMETRIC CONTRACTION (MVIC) TEST FOR EACH MUSCLE. ALL YOGA POSE EMG DATA WERE NORMALIZED TO THE CORRESPONDING MUSCLE MVIC DATA. RESULTS: HIGHEST GLUTEUS MAXIMUS ACTIVATION OCCURRED DURING HALF MOON POSE ON THE LIFTED/BACK LEG (63.3% MVIC), FOLLOWED BY THE STANCE/FRONT LEG DURING HALF MOON POSE (61.7%), THEN THE LIFTED/BACK LEG DURING WARRIOR THREE POSE (46.1%). HIGHEST GLUTEUS MEDIUS ACTIVATION OCCURRED DURING HALF MOON POSE ON THE LIFTED/BACK LEG (41.9%), FOLLOWED BY THE LIFTED/BACK LEG DURING THE WARRIOR THREE POSE (41.6%). A SIGNIFICANT DIFFERENCE WAS FOUND IN %MVIC OF GLUTEUS MEDIUS ACTIVITY BETWEEN MALE AND FEMALE SUBJECTS (P = 0.026), AND BETWEEN EXPERIENCED AND INEXPERIENCED SUBJECTS (P = 0.050), INDICATING HIGHER ACTIVATION AMONG MALES AND INEXPERIENCED SUBJECTS, RESPECTIVELY. CONCLUSION: HALF MOON POSE AND WARRIOR THREE POSE ELICITED THE HIGHEST ACTIVATION FOR BOTH THE GLUTEUS MAXIMUS AND THE GLUTEUS MEDIUS. HIGHER GLUTEUS MEDIUS ACTIVATION WAS SEEN IN MALES AND INEXPERIENCED SUBJECTS COMPARED TO THEIR FEMALE AND EXPERIENCED COUNTERPARTS. LEVEL OF EVIDENCE: 3.	2021	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
17 2083  26 THE EFFECT OF IYENGAR YOGA AND STRENGTHENING EXERCISES FOR PEOPLE LIVING WITH OSTEOARTHRITIS OF THE KNEE: A CASE SERIES. THIS CASE SERIES DESCRIBES THE IMPACT OF VARIOUS FORMS OF EXERCISE ON SYMPTOMS ASSOCIATED WITH OSTEOARTHRITIS OF THE KNEE. A GROUP OF 15 WOMEN AND MEN PERFORMED ONE OF THE FOLLOWING: TRADITIONAL STRETCHING AND STRENGTHENING EXERCISES, IYENGAR YOGA, OR NO STRUCTURED GROUP EXERCISE. LOW BACK AND HAMSTRING FLEXIBILITY AND QUADRICEPS STRENGTH AND FUNCTION WERE MONITORED BEFORE AND AFTER THE PROGRAM. THE WESTERN ONTARIO AND MCMASTER UNIVERSITIES OSTEOARTHRITIS INDEX (WOMAC) WAS USED TO ASSESS SUBJECTIVE CHANGE AFTER THE SIX-WEEK INTERVENTION PERIOD. A GLOBAL ASSESSMENT QUESTIONNAIRE WAS ALSO COMPLETED BY EACH PARTICIPANT AND EACH INSTRUCTOR AT THE EXIT SESSIONS TO MEASURE PERCEIVED CHANGES IN IMPROVEMENTS SINCE THE INITIATION OF THE INTERVENTION. THIS STUDY FOUND FUNCTIONAL CHANGES AND IMPROVEMENT IN QUALITY OF LIFE IN TRADITIONAL EXERCISE AND A YOGA BASED APPROACH THAT SHOULD ENCOURAGE FURTHER COMPREHENSIVE AND CAREFULLY DESIGNED STUDIES OF YOGA IN OSTEOARTHRITIS.	2006	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
18  444  18 CHAIR YOGA: BENEFITS FOR COMMUNITY-DWELLING OLDER ADULTS WITH OSTEOARTHRITIS. THE AIM OF THIS PILOT STUDY WAS TO EXAMINE WHETHER CHAIR YOGA WAS EFFECTIVE IN REDUCING PAIN LEVEL AND IMPROVING PHYSICAL FUNCTION AND EMOTIONAL WELL-BEING IN A SAMPLE OF COMMUNITY-DWELLING OLDER ADULTS WITH OSTEOARTHRITIS. ONE-WAY REPEATED MEASURES ANALYSIS OF VARIANCE WAS PERFORMED TO EXAMINE THE EFFECTIVENESS OF CHAIR YOGA AT BASELINE, MIDPOINT (4 WEEKS), AND END OF THE INTERVENTION (8 WEEKS). ALTHOUGH CHAIR YOGA WAS EFFECTIVE IN IMPROVING PHYSICAL FUNCTION AND REDUCING STIFFNESS IN OLDER ADULTS WITH OSTEOARTHRITIS, IT WAS NOT EFFECTIVE IN REDUCING PAIN LEVEL OR IMPROVING DEPRESSIVE SYMPTOMS. FUTURE RESEARCH PLANNED BY THIS TEAM WILL USE RIGOROUS STUDY METHODS, INCLUDING LARGER SAMPLES, RANDOMIZED CONTROLLED TRIALS, AND FOLLOW UP FOR MONITORING HOME PRACTICE AFTER THE INTERVENTIONS.	2012	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
19  107  25 A PILOT RANDOMIZED CONTROLLED TRIAL OF THE EFFECTS OF CHAIR YOGA ON PAIN AND PHYSICAL FUNCTION AMONG COMMUNITY-DWELLING OLDER ADULTS WITH LOWER EXTREMITY OSTEOARTHRITIS. OBJECTIVES: TO DETERMINE EFFECTS OF SIT 'N' FIT CHAIR YOGA, COMPARED TO A HEALTH EDUCATION PROGRAM (HEP), ON PAIN AND PHYSICAL FUNCTION IN OLDER ADULTS WITH LOWER EXTREMITY OSTEOARTHRITIS (OA) WHO COULD NOT PARTICIPATE IN STANDING EXERCISE. DESIGN: TWO-ARM RANDOMIZED CONTROLLED TRIAL. SETTING: ONE HUD SENIOR HOUSING FACILITY AND ONE DAY SENIOR CENTER IN SOUTH FLORIDA. PARTICIPANTS: COMMUNITY-DWELLING OLDER ADULTS (N = 131) WERE RANDOMLY ASSIGNED TO CHAIR YOGA (N = 66) OR HEP (N = 65). THIRTEEN DROPPED AFTER ASSIGNMENT BUT PRIOR TO THE INTERVENTION; SIX DROPPED DURING THE INTERVENTION; 106 OF 112 COMPLETED AT LEAST 12 OF 16 SESSIONS (95% RETENTION RATE). INTERVENTIONS: PARTICIPANTS ATTENDED EITHER CHAIR YOGA OR HEP. BOTH INTERVENTIONS CONSISTED OF TWICE-WEEKLY 45-MINUTE SESSIONS FOR 8 WEEKS. MEASUREMENTS: PRIMARY: PAIN, PAIN INTERFERENCE; SECONDARY: BALANCE, GAIT SPEED, FATIGUE, FUNCTIONAL ABILITY MEASURED AT BASELINE, AFTER 4 WEEKS OF INTERVENTION, AT THE END OF THE 8-WEEK INTERVENTION, AND POST-INTERVENTION (1 AND 3 MONTHS). RESULTS: THE CHAIR YOGA GROUP SHOWED GREATER REDUCTION IN PAIN INTERFERENCE DURING THE INTERVENTION (P = .01), SUSTAINED THROUGH 3 MONTHS (P = .022). WOMAC PAIN (P = .048), GAIT SPEED (P = .024), AND FATIGUE (P = .037) WERE IMPROVED IN THE YOGA GROUP DURING THE INTERVENTION (P = .048) BUT IMPROVEMENTS WERE NOT SUSTAINED POST INTERVENTION. CHAIR YOGA HAD NO EFFECT ON BALANCE. CONCLUSION: AN 8-WEEK CHAIR YOGA PROGRAM WAS ASSOCIATED WITH REDUCTION IN PAIN, PAIN INTERFERENCE, AND FATIGUE, AND IMPROVEMENT IN GAIT SPEED, BUT ONLY THE EFFECTS ON PAIN INTERFERENCE WERE SUSTAINED 3 MONTHS POST INTERVENTION. CHAIR YOGA SHOULD BE FURTHER EXPLORED AS A NONPHARMACOLOGIC INTERVENTION FOR OLDER PEOPLE WITH OA IN THE LOWER EXTREMITIES. TRIAL REGISTRATION: CLINICALTRIALS.GOV: NCT02113410.	2017	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
20  120  19 A PILOT STUDY OF THE EFFECTS OF CHAIR YOGA AND CHAIR-BASED EXERCISE ON BIOPSYCHOSOCIAL OUTCOMES IN OLDER ADULTS WITH LOWER EXTREMITY OSTEOARTHRITIS. THIS PILOT STUDY EXAMINED WHETHER CHAIR YOGA AND CHAIR-BASED EXERCISE ARE EFFECTIVE IN MANAGING BIOPSYCHOSOCIAL OUTCOMES FOR OLDER ADULTS WITH LOWER EXTREMITY OSTEOARTHRITIS. BOTH INTERVENTIONS IMPROVED PHYSICAL FUNCTION AND MOBILITY OVER TIME, ALTHOUGH NO SIGNIFICANT DIFFERENCES BETWEEN THE 2 INTERVENTIONS WERE IDENTIFIED.	2019