1 550 115 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 2 506 57 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 2509 35 YOGA BREATHING TECHNIQUES HAVE NO IMPACT ON ISOKINETIC AND ISOINERTIAL POWER. WOOTEN, SV, CHERUP, N, MAZZEI, N, PATEL, S, MOONEY, K, RAFIQ, A, AND SIGNORILE, JF. YOGA BREATHING TECHNIQUES HAVE NO IMPACT ON ISOKINETIC AND ISOINERTIAL POWER. J STRENGTH COND RES 34(2): 430-439, 2020-AS AN EXERCISE DISCIPLINE, YOGA INCORPORATES BREATHING (PRANAYAMA) AND POSTURE (ASANA) TECHNIQUES TO FACILITATE IMPROVEMENTS IN FLEXIBILITY, STRENGTH, AND MEDITATION. BOTH TECHNIQUES HAVE BEEN USED TO ENHANCE MUSCULAR STRENGTH AND POWER OUTPUT. THE PURPOSE OF THIS STUDY WAS TO DETERMINE THE EFFECTS OF VARIOUS YOGA BREATHING TECHNIQUES ON LOWER-LIMB POWER OUTPUT. THIRTY-TWO INDIVIDUALS (15 MEN AND 17 WOMEN) PARTICIPATED IN THE STUDY. ALL SUBJECTS PERFORMED A BASELINE 1 REPETITION MAXIMUM (1RM) ON A PNEUMATIC LEG PRESS MACHINE AND ISOKINETIC TESTING ON A BIODEX 4 DYNAMOMETER. PARTICIPANTS THEN PERFORMED 3RM POWER TESTS AT 50% OF 1RM ON THE PNEUMATIC LEG PRESS MACHINE USING 3 DIFFERENT YOGA BREATHING TECHNIQUES (UJJAYI, BHASTRIKA, AND KAPALABHATI) AND NORMAL BREATHING (CONTROL) ACROSS ALL REPETITIONS. AFTER POWER TESTING, PARTICIPANTS COMPLETED AN ISOKINETIC TEST ON THE BIODEX 4 DYNAMOMETER USING THEIR DOMINANT LEG. SUBJECTS HAD THEIR KNEE PLACED AT A PREDETERMINED STARTING POSITION (90 DEGREES ) AND EXECUTED KNEE EXTENSION AT 3 RANDOMIZED TESTING SPEEDS (60, 180, AND 300 DEGREES .S). THE IMPLEMENTATION OF SPECIFIC BREATHING PROTOCOLS BEFORE AND DURING THE LEG PRESS PRODUCED NO SIGNIFICANT DIFFERENCES IN POWER OUTPUT. FOR ISOKINETIC POWER MEASURED AT 60, 180, AND 300 DEGREES .S, THERE WAS A SIGNIFICANT DIFFERENCE AMONG TESTING SPEEDS (ETA = 0.639; P < 0.0001) AND A SIGNIFICANT SEX X SPEED INTERACTION (ETA = 0.064; P < 0.0001), WHERE MEN CONSISTENTLY DEMONSTRATED GREATER ISOINERTIAL POWER, ISOKINETIC POWER, ISOKINETIC TORQUE, AND ISOKINETIC WORK THAN WOMEN. NO OTHER SIGNIFICANT DIFFERENCES OR INTERACTIONS WERE DETECTED. THE DIFFERENCES BETWEEN OUR STUDY AND OTHERS, WHICH HAVE CONCLUDED THAT ADOPTING SPECIFIC BREATHING TECHNIQUES CAN ENHANCE CORE STABILITY AND FORCE PRODUCTION DURING LIFTING, MAY BE ATTRIBUTABLE TO THE ACUTE NATURE OF THE DESIGN, THE NOVICE PARTICIPANTS WHO HAD INSUFFICIENT TIME TO PRACTICE THE BREATHING TECHNIQUES OR TESTING PROTOCOLS, AND THE USE OF TESTS THAT ISOLATED SPECIFIC MUSCLE GROUPS. NONETHELESS, THE CURRENT FINDINGS DO NOT SUPPORT THE USE OF YOGA BREATHING TECHNIQUES AS A METHOD TO ENHANCE POWER OUTPUT, WHETHER USED BEFORE OR DURING POWER PERFORMANCE. 2020 4 2814 25 YOGA TRAINING AND MOTOR SPEED BASED ON A FINGER TAPPING TASK. A FINGER TAPPING TASK WAS USED TO ASSESS MOTOR SPEED (MS) OF BOTH HANDS IN 53 ADULTS AND 152 CHILDREN BEFORE AND AFTER YOGA TRAINING AND IN 38 ADULTS OF A NON-YOGA (CONTROL) GROUP. ALL SUBJECTS WERE RIGHT HAND DOMINANT. THE 30-SECOND TAPPING SPEED (TS) TEST WAS CONSIDERED AS THREE TIME INTERVALS, I.E. 0-10 SECOND (TS1), 10-20 SECONDS (TS2) AND 20-30 SECONDS (TS3). THERE WAS A SIGNIFICANT (STUDENT'S T-TEST) INCREASE IN ALL THREE TS VALUES FOLLOWING 10 DAYS OF YOGA IN CHILDREN AND 30 DAYS OF YOGA IN ADULTS. HOWEVER FOR BOTH GROUPS AT BASELINE AND FINAL ASSESSMENTS, TS2 AND TS3 WERE SIGNIFICANTLY LOWER THAN TS1. HENCE THE TS WAS INCREASED AFTER YOGA TRAINING DURING THE FIRST 10-SECONDS OF THE TEST BUT NOT DURING THE NEXT 20 SECONDS. THESE RESULTS SUGGEST AN INCREASE IN MOTOR SPEED FOR REPETITIVE FINGER MOVEMENTS FOLLOWING YOGA TRAINING, BUT NOT IN STRENGTH OR ENDURANCE, AS THE INCREASE WAS NOT SUSTAINED OVER 30 SEC. 1999 5 1357 22 IMMEDIATE EFFECT OF TWO YOGA-BASED RELAXATION TECHNIQUES ON PERFORMANCE IN A LETTER-CANCELLATION TASK. THE PERFORMANCE IN A SIX-LETTER CANCELLATION TASK WAS ASSESSED WITH 69 MALE VOLUNTEERS, AGES 18 TO 48 YEARS, IMMEDIATELY BEFORE AND AFTER TWO YOGA-BASED RELAXATION TECHNIQUES AND A CONTROL SESSION OF EQUAL DURATION. THE TECHNIQUES WERE CYCLIC MEDITATION AND SUPINE REST. CYCLIC MEDITATION CONSISTS OF ALTERNATING CYCLES OF YOGA POSTURES AND SUPINE REST. AFTER BOTH PRACTICES, THE NET SCORES WERE SIGNIFICANTLY HIGHER, ALTHOUGH THE MAGNITUDE OF CHANGE WAS MORE AFTER CYCLIC MEDITATION THAN AFTER SUPINE REST (24.9% VERSUS 13.6%). THERE WAS REDUCTION IN SCORES FOR WRONG CANCELLATIONS AFTER CYCLIC MEDITATION AND NOT AFTER SUPINE REST. THE CONTROL GROUP SHOWED NO CHANGE. THE RESULTS SUGGEST THAT CYCLIC MEDITATION BRINGS ABOUT A GREATER IMPROVEMENT IN PERFORMANCE IN THIS TASK, WHICH REQUIRES SELECTIVE ATTENTION, CONCENTRATION, VISUAL SCANNING ABILITIES, AND A REPETITIVE MOTOR RESPONSE. 2007 6 969 39 EFFECTS OF AN 8-MONTH YOGA INTERVENTION ON ARTERIAL COMPLIANCE AND MUSCLE STRENGTH IN PREMENOPAUSAL WOMEN. PREVIOUS STUDIES HAVE INDICATED THAT YOGA EXERCISE HAS A POSITIVE EFFECT ON REDUCING BLOOD PRESSURE AND HEART RATE. HOWEVER, NO RANDOMIZED CONTROLLED STUDIES TO DATE HAVE INVESTIGATED ITS EFFECTS ON ARTERIAL COMPLIANCE. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE EFFECTS OF AN 8-MONTH YOGA INTERVENTION ON ARTERIAL COMPLIANCE AND MUSCLE STRENGTH IN NORMAL PREMENOPAUSAL WOMEN 35-50 YEARS OF AGE. THIRTY-FOUR WOMEN WERE RANDOMLY ASSIGNED EITHER TO A YOGA EXERCISE GROUP (YE, N = 16) OR A CONTROL GROUP (CON, N = 18). PARTICIPANTS IN YE GROUP PERFORMED 60 MINUTES OF AN ASHTANGA YOGA SERIES 2 TIMES/WEEK WITH ONE DAY BETWEEN SESSIONS FOR 8 MONTHS. EACH YOGA SESSION CONSISTED OF 15 MINUTES OF WARM-UP EXERCISES, 35 MINUTES OF ASHTANGA YOGA POSTURES AND 10 MINUTES OF COOL-DOWN WITH RELAXATION; AND THE SESSION INTENSITY WAS PROGRESSIVELY INCREASED DURING THE 8 MONTHS. PARTICIPANTS IN CON WERE ENCOURAGED TO MAINTAIN THEIR NORMAL DAILY LIFESTYLES MONITORED BY THE BONE-SPECIFIC PHYSICAL ACTIVITY QUESTIONNAIRE AT 2 MONTH INTERVALS FOR 8 MONTHS. ARTERIAL COMPLIANCE (PULSE CONTOUR ANALYSIS) AND MUSCLE STRENGTH (1 REPETITION MAXIMUM) WERE ASSESSED AT BASELINE AND AFTER THE INTERVENTION. ARTERIAL COMPLIANCE OF THE LARGE AND SMALL ARTERIES WAS NOT AFFECTED BY THE 8 MONTH YOGA TRAINING (P > 0.05). ALSO, THERE WERE NO SIGNIFICANT (P > 0.05) GROUP, TIME, OR GROUP X TIME INTERACTION EFFECTS FOR CARDIOVASCULAR VARIABLES. YE GROUP SIGNIFICANTLY (P < 0.01) IMPROVED LEG PRESS MUSCLE STRENGTH COMPARED TO CON (11.4% VS. -6.5%). EIGHT MONTHS OF ASHTANGA YOGA TRAINING WAS BENEFICIAL FOR IMPROVING LEG PRESS STRENGTH, BUT NOT ARTERIAL COMPLIANCE IN PREMENOPAUSAL WOMEN. KEY POINTSTHE 8 MONTH YOGA TRAINING DID NOT AFFECT ARTERIAL COMPLIANCE OF THE LARGE AND SMALL ARTERIES.NONE OF THE CARDIOVASCULAR VARIABLES WERE CHANGED BY THE YOGA INTERVENTION.ISOTONIC MUSCLE STRENGTH WAS NOT ALTERED BY THE YOGA INTERVENTION, WITH THE EXCEPTION OF LEG PRESS. 2012 7 1350 23 IMMEDIATE CHANGES IN MUSCLE STRENGTH AND MOTOR SPEED FOLLOWING YOGA BREATHING. THE PRESENT STUDY WAS CONDUCTED TO ASSESS THE IMMEDIATE EFFECT OF HIGH-FREQUENCY YOGA BREATHING ON MUSCLE STRENGTH AND MOTOR SPEED. BILATERAL HANDGRIP STRENGTH, LEG AND BACK STRENGTH, FINGER TAPPING AND ARM TAPPING SPEED WERE ASSESSED IN FIFTY MALE PARTICIPANTS (GROUP MEAN AGE +/- SD, 26.9 +/- 6.2 YEARS) BEFORE AND AFTER (A) HIGH FREQUENCY YOGA BREATHING FOR 15 MINUTES AND (B) BREATH AWARENESS FOR THE SAME DURATION. SESSIONS (A) AND (B) WERE ON TWO DIFFERENT DAYS BUT AT THE SAME TIME OF THE DAY. THE SCHEDULE WAS ALTERNATED FOR DIFFERENT PARTICIPANTS. THERE WAS A SIGNIFICANT INCREASE (P < 0.05) IN RIGHT HAND GRIP STRENGTH AFTER HIGH FREQUENCY YOGA BREATHING. BOTH FINGER AND ARM TAPPING IMPROVED AFTER BOTH PRACTICES. THE RESULTS SUGGEST A ROLE FOR HIGH FREQUENCY YOGA BREATHING IN IMPROVING THE HAND GRIP STRENGTH AS AN IMMEDIATE EFFECT. 2014 8 2865 41 YOGA-BASED INTERVENTION FOR CARPAL TUNNEL SYNDROME: A RANDOMIZED TRIAL. CONTEXT: CARPAL TUNNEL SYNDROME IS A COMMON COMPLICATION OF REPETITIVE ACTIVITIES AND CAUSES SIGNIFICANT MORBIDITY. OBJECTIVE: TO DETERMINE THE EFFECTIVENESS OF A YOGA-BASED REGIMEN FOR RELIEVING SYMPTOMS OF CARPAL TUNNEL SYNDROME. DESIGN: RANDOMIZED, SINGLE-BLIND, CONTROLLED TRIAL. SETTING: A GERIATRIC CENTER AND AN INDUSTRIAL SITE IN 1994-1995. PATIENTS: FORTY-TWO EMPLOYED OR RETIRED INDIVIDUALS WITH CARPAL TUNNEL SYNDROME (MEDIAN AGE, 52 YEARS; RANGE, 24-77 YEARS). INTERVENTION: SUBJECTS ASSIGNED TO THE YOGA GROUP RECEIVED A YOGA-BASED INTERVENTION CONSISTING OF 11 YOGA POSTURES DESIGNED FOR STRENGTHENING, STRETCHING, AND BALANCING EACH JOINT IN THE UPPER BODY ALONG WITH RELAXATION GIVEN TWICE WEEKLY FOR 8 WEEKS. PATIENTS IN THE CONTROL GROUP WERE OFFERED A WRIST SPLINT TO SUPPLEMENT THEIR CURRENT TREATMENT. MAIN OUTCOME MEASURES: CHANGES FROM BASELINE TO 8 WEEKS IN GRIP STRENGTH, PAIN INTENSITY, SLEEP DISTURBANCE, PHALEN SIGN, AND TINEL SIGN, AND IN MEDIAN NERVE MOTOR AND SENSORY CONDUCTION TIME. RESULTS: SUBJECTS IN THE YOGA GROUPS HAD SIGNIFICANT IMPROVEMENT IN GRIP STRENGTH (INCREASED FROM 162 TO 187 MM HG; P = .009) AND PAIN REDUCTION (DECREASED FROM 5.0 TO 2.9 MM; P = .02), BUT CHANGES IN GRIP STRENGTH AND PAIN WERE NOT SIGNIFICANT FOR CONTROL SUBJECTS. THE YOGA GROUP HAD SIGNIFICANTLY MORE IMPROVEMENT IN PHALEN SIGN (12 IMPROVED VS 2 IN CONTROL GROUP; P = .008), BUT NO SIGNIFICANT DIFFERENCES WERE FOUND IN SLEEP DISTURBANCE, TINEL SIGN, AND MEDIAN NERVE MOTOR AND SENSORY CONDUCTION TIME. CONCLUSION: IN THIS PRELIMINARY STUDY, A YOGA-BASED REGIMEN WAS MORE EFFECTIVE THAN WRIST SPLINTING OR NO TREATMENT IN RELIEVING SOME SYMPTOMS AND SIGNS OF CARPAL TUNNEL SYNDROME. 1998 9 1095 25 EFFECTS OF YOGA PRACTICE ON MUSCULAR ENDURANCE IN YOUNG WOMEN. THE AIM OF THIS STUDY WAS TO VERIFY THE EFFECTS OF A SYSTEMATIZED YOGA PRACTICE ON MUSCULAR ENDURANCE IN YOUNG WOMEN. TWENTY SIX WOMEN (24 +/- 3.5 YEARS OLD) PARTICIPATED IN SIX WEEKS OF YOGA CLASSES, AND TWENTY ONE WOMEN (25 +/- 5.1 YEARS OLD) PARTICIPATED AS THE CONTROL GROUP. THE YOGA INTERVENTION WAS COMPOSED OF EIGHTEEN SESSIONS, THREE TIMES PER WEEK, AT 1 H PER SESSION. THE MUSCULAR ENDURANCE OF UPPER LIMBS (PUSH-UP) AND ABDOMINAL (SIT-UP) WAS ASSESSED THROUGH THE PROTOCOL SUGGESTED BY GETTMAN (1989) [1] AND GOLDING, MYERS AND SINNING (1989) [2] TO THE MAXIMUM REPETITIONS PERFORMED IN 1 MIN. TO VERIFY THE SIGNIFICANT DIFFERENCES INTRA GROUPS AND BETWEEN GROUPS A SPANOVA WAS PERFORMED, AND THE LEVEL OF SIGNIFICANCE WAS P /= 23 KG/M(2), AGED 62 +/- 1 YEARS WERE RANDOMLY ASSIGNED TO EITHER A TY GROUP FOR 60 MIN, 3 TIMES A WEEK OR TO A "NO EXERCISE" CONTROL (CON) GROUP. SIT AND REACH (SRT), FUNCTIONAL REACH (FRT) AND 30-S CHAIR STAND (CST-30), 8-FOOT UP AND GO (8UGT), 6-MIN WALK (6MWT)) AND LOWER-LIMB MUSCLE STRENGTH WERE MEASURED AT THE BEGINNING, 4, AND 8 WEEKS. RESULTS: AT WEEK 4, A SIGNIFICANT BETWEEN GROUPS WAS OBTAINED IN CST-30, 8UGT, AND 6MWT. AT WEEK 8, FRT, 8UGT, 6MWT AND KNEE FLEXOR AND EXTENSOR MUSCLE STRENGTH WERE IMPROVED IN THE TY OVER THE CON. SIGNIFICANT IMPROVEMENT WAS FOUND IN ALL VARIABLES WITHIN THE TY, BUT NO CHANGE WAS OBSERVED IN THE CON. CONCLUSION: AN 8-WEEK TY PROGRAM APPEARS TO PROVIDE BENEFICIAL IMPROVEMENTS IN PHYSICAL MOBILITY IN OVERWEIGHT/OBESE OLDER WOMEN. 2021 17 832 25 EFFECT OF YOGA ON MUSCULOSKELETAL DISCOMFORT AND MOTOR FUNCTIONS IN PROFESSIONAL COMPUTER USERS. THE SELF-RATED MUSCULOSKELETAL DISCOMFORT, HAND GRIP STRENGTH, TAPPING SPEED, AND LOW BACK AND HAMSTRING FLEXIBILITY (BASED ON A SIT AND REACH TASK) WERE ASSESSED IN 291 PROFESSIONAL COMPUTER USERS. THEY WERE THEN RANDOMIZED AS YOGA (YG; N=146) AND WAIT-LIST CONTROL (WL; N=145) GROUPS. FOLLOW-UP ASSESSMENTS FOR BOTH GROUPS WERE AFTER 60 DAYS DURING WHICH THE YG GROUP PRACTICED YOGA FOR 60 MINUTES DAILY, FOR 5 DAYS IN A WEEK. THE WL GROUP SPENT THE SAME TIME IN THEIR USUAL RECREATIONAL ACTIVITIES. AT THE END OF 60 DAYS, THE YG GROUP (N=62) SHOWED A SIGNIFICANT DECREASE IN THE FREQUENCY, INTENSITY AND DEGREE OF INTERFERENCE DUE TO MUSCULOSKELETAL DISCOMFORT, AN INCREASE IN BILATERAL HAND GRIP STRENGTH, THE RIGHT HAND TAPPING SPEED, AND LOW BACK AND HAMSTRING FLEXIBILITY (REPEATED MEASURES ANOVA AND POST HOC ANALYSIS WITH BONFERRONI ADJUSTMENT). IN CONTRAST, THE WL GROUP (N=56) SHOWED AN INCREASE IN MUSCULOSKELETAL DISCOMFORT AND A DECREASE IN LEFT HAND TAPPING SPEED. THE RESULTS SUGGEST THAT YOGA PRACTICE IS A USEFUL ADDITION TO THE ROUTINE OF PROFESSIONAL COMPUTER USERS. 2009 18 756 25 EFFECT OF SIX WEEKS YOGA TRAINING ON WEIGHT LOSS FOLLOWING STEP TEST, RESPIRATORY PRESSURES, HANDGRIP STRENGTH AND HANDGRIP ENDURANCE IN YOUNG HEALTHY SUBJECTS. THE PRESENT STUDY WAS DESIGNED TO TEST WHETHER YOGA TRAINING OF SIX WEEKS DURATION MODULATES SWEATING RESPONSE TO DYNAMIC EXERCISE AND IMPROVES RESPIRATORY PRESSURES, HANDGRIP STRENGTH AND HANDGRIP ENDURANCE. OUT OF 46 HEALTHY SUBJECTS (30 MALES AND 16 FEMALES, AGED 17-20 YR), 23 MOTIVATED SUBJECTS (15 MALE AND 8 FEMALE) WERE GIVEN YOGA TRAINING AND THE REMAINING 23 SUBJECTS SERVED AS CONTROLS. WEIGHT LOSS FOLLOWING HARVARD STEP TEST (AN INDEX OF SWEAT LOSS), MAXIMUM INSPIRATORY PRESSURE, MAXIMUM EXPIRATORY PRESSURE, 40 MM ENDURANCE, HANDGRIP STRENGTH AND HANDGRIP ENDURANCE WERE DETERMINED BEFORE AND AFTER THE SIX WEEK STUDY PERIOD. IN THE YOGA GROUP, WEIGHT LOSS IN RESPONSE TO HARVARD STEP TEST WAS 64 +/- 30 G AFTER YOGA TRAINING AS COMPARED TO 161 +/- 133 G BEFORE THE TRAINING AND THE DIFFERENCE WAS SIGNIFICANT (N = 15 MALE SUBJECTS, P < 0.0001). IN CONTRAST, WEIGHT LOSS FOLLOWING STEP TEST WAS NOT SIGNIFICANTLY DIFFERENT IN THE CONTROL GROUP AT THE END OF THE STUDY PERIOD. YOGA TRAINING PRODUCED A MARKED INCREASE IN RESPIRATORY PRESSURES AND ENDURANCE IN 40 MM HG TEST IN BOTH MALE AND FEMALE SUBJECTS (P < 0.05 FOR ALL COMPARISONS). IN CONCLUSION, THE PRESENT STUDY DEMONSTRATES ATTENUATION OF THE SWEATING RESPONSE TO STEP TEST BY YOGA TRAINING. FURTHER, YOGA TRAINING FOR A SHORT PERIOD OF SIX WEEKS CAN PRODUCE SIGNIFICANT IMPROVEMENTS IN RESPIRATORY MUSCLE STRENGTH AND ENDURANCE. 2008 19 2499 29 YOGA AS STEADINESS TRAINING: EFFECTS ON MOTOR VARIABILITY IN YOUNG ADULTS. EXERCISE TRAINING PROGRAMS CAN INCREASE STRENGTH AND IMPROVE SUBMAXIMAL FORCE CONTROL, BUT THE EFFECTS OF YOGA AS AN ALTERNATIVE FORM OF STEADINESS TRAINING ARE NOT WELL DESCRIBED. THE PURPOSE WAS TO EXPLORE THE EFFECT OF A POPULAR TYPE OF YOGA (BIKRAM) ON STRENGTH, STEADINESS, AND BALANCE. YOUNG ADULTS PERFORMED YOGA TRAINING (N = 10, 29 +/- 6 YEARS, 24 YOGA SESSIONS IN 8 WEEKS) OR SERVED AS CONTROLS (N = 11, 26 +/- 7 YEARS). YOGA SESSIONS CONSISTED OF 1.5 HOURS OF SUPERVISED, STANDARDIZED POSTURES. MEASURES BEFORE AND AFTER TRAINING INCLUDED MAXIMUM VOLUNTARY CONTRACTION (MVC) FORCE OF THE ELBOW FLEXORS (EF) AND KNEE EXTENSORS (KE), STEADINESS OF ISOMETRIC EF AND KE CONTRACTIONS, STEADINESS OF CONCENTRIC (CON) AND ECCENTRIC (ECC) KE CONTRACTIONS, AND TIMED BALANCE. THE STANDARD DEVIATION (SD) AND COEFFICIENT OF VARIATION (CV, SD/MEAN FORCE) OF ISOMETRIC FORCE AND THE SD OF ACCELERATION DURING CON AND ECC CONTRACTIONS WERE MEASURED. AFTER YOGA TRAINING, MVC FORCE INCREASED 14% FOR KE (479 +/- 175 TO 544 +/- 187 N, P < 0.05) AND WAS UNCHANGED FOR THE EF MUSCLES (219 +/- 85 TO 230 +/- 72 N, P > 0.05). THE CV OF FORCE WAS UNCHANGED FOR EF (1.68 TO 1.73%, P > 0.05) BUT WAS REDUCED IN THE KE MUSCLES SIMILARLY FOR YOGA AND CONTROL GROUPS (2.04 TO 1.55%, P < 0.05). THE VARIABILITY OF CON AND ECC CONTRACTIONS WAS UNCHANGED. FOR THE YOGA GROUP, IMPROVEMENT IN KE STEADINESS WAS CORRELATED WITH PRETRAINING STEADINESS (R = -0.62 TO -0.84, P < 0.05); SUBJECTS WITH THE GREATEST KE FORCE FLUCTUATIONS BEFORE TRAINING EXPERIENCED THE GREATEST REDUCTIONS WITH TRAINING. PERCENT CHANGE IN BALANCE TIME FOR INDIVIDUAL YOGA SUBJECTS AVERAGED +228% (19.5 +/- 14 TO 34.3 +/- 18 SECONDS, P < 0.05), WITH NO CHANGE IN CONTROLS. FOR YOUNG ADULTS, A SHORT-TERM YOGA PROGRAM OF THIS TYPE CAN IMPROVE BALANCE SUBSTANTIALLY, PRODUCE MODEST IMPROVEMENTS IN LEG STRENGTH, AND IMPROVE LEG MUSCLE CONTROL FOR LESS-STEADY SUBJECTS. 2008 20 968 42 EFFECTS OF AN 8-MONTH ASHTANGA-BASED YOGA INTERVENTION ON BONE METABOLISM IN MIDDLE-AGED PREMENOPAUSAL WOMEN: A RANDOMIZED CONTROLLED STUDY. ALTHOUGH YOGA HAS THE POTENTIAL TO BE AN ALTERNATIVE PHYSICAL ACTIVITY TO ENHANCE BONE HEALTH, THERE IS A LACK OF HIGH QUALITY EVIDENCE FOR THIS TYPE OF INTERVENTION. THE PURPOSE OF THIS RANDOMIZED CONTROLLED TRIAL WAS TO EXAMINE THE EFFECTS OF A PROGRESSIVE 8-MONTH ASHTANGA-BASED YOGA PROGRAM ON BONE TURNOVER MARKERS (BTM), AREAL BONE MINERAL DENSITY (ABMD) AND VOLUMETRIC BONE CHARACTERISTICS IN PREMENOPAUSAL WOMEN. THIRTY-FOUR PREMENOPAUSAL WOMEN (35-50 YEARS) WERE RANDOMLY ASSIGNED EITHER TO A YOGA GROUP (YE, N = 16) OR A CONTROL GROUP (CON, N = 18). PARTICIPANTS IN YE GROUP PERFORMED 60 MINUTES OF AN ASHTANGA-BASED YOGA SERIES 2 TIMES/WEEK WITH ONE DAY BETWEEN SESSIONS FOR 8 MONTHS, AND THE SESSION INTENSITY WAS PROGRESSIVELY INCREASED BY ADDING THE NUMBER OF SUN SALUTATIONS (SS). PARTICIPANTS IN CON WERE ENCOURAGED TO MAINTAIN THEIR NORMAL DAILY LIFESTYLES MONITORED BY THE BONE SPECIFIC PHYSICAL ACTIVITY QUESTIONNAIRE (BPAQ) AT 2 MONTH INTERVALS FOR 8 MONTHS. BODY COMPOSITION WAS MEASURED BY DUAL ENERGY X-RAY ABSORPTIOMETRY (DXA). BONE FORMATION (BONE ALKALINE PHOSPHATASE, BONE ALP) AND BONE RESORPTION (TARTRATE-RESISTANT ACID PHOSPHATASE-5B, TRAP5B) MARKERS WERE ASSESSED AT BASELINE AND AFTER 8 MONTHS. ABMD OF TOTAL BODY, LUMBAR SPINE AND DUAL PROXIMAL FEMUR AND TIBIA BONE CHARACTERISTICS WERE MEASURED USING DXA AND PERIPHERAL QUANTITATIVE COMPUTED TOMOGRAPHY (PQCT), RESPECTIVELY. WE FOUND THAT THE SERUM BONE ALP CONCENTRATIONS WERE MAINTAINED IN YE, BUT SIGNIFICANTLY (P = 0.005) DECREASED IN CON AFTER THE 8 MONTH INTERVENTION, AND THERE WERE SIGNIFICANT (P = 0.002) GROUP DIFFERENCES IN BONE ALP PERCENT CHANGES (YE 9.1 +/- 4.0% VS. CON -7.1 +/- 2.3%). NO CHANGES IN TRAP5B WERE FOUND IN EITHER GROUP. THE 8-MONTH YOGA PROGRAM DID NOT INCREASE ABMD OR TIBIA BONE STRENGTH VARIABLES. BODY COMPOSITION RESULTS SHOWED NO CHANGES IN WEIGHT, FAT MASS, OR % FAT, BUT SMALL SIGNIFICANT INCREASES IN BONE FREE LEAN BODY MASS OCCURRED IN BOTH GROUPS. THE FINDINGS OF THIS STUDY SUGGEST THAT REGULAR LONG-TERM ASHTANGA YOGA HAD A SMALL POSITIVE EFFECT ON BONE FORMATION BUT DID NOT ALTER ABMD OR TIBIA BONE CHARACTERISTICS IN PREMENOPAUSAL WOMEN. KEY POINTSREGULAR LONG-TERM ASHTANGA-BASED YOGA PROGRAM HAD A SMALL POSITIVE EFFECT ON BONE FORMATION, BUT NO EFFECTS WERE FOUND ON BONE RESORPTION.NONE OF THE BONE DENSITY OR GEOMETRY VARIABLES WERE CHANGED BY THE 8-MONTH ASHTANGA-BASED YOGA INTERVENTION.FUTURE YOGA INTERVENTIONS SHOULD FOCUS ON LONGER DURATION AND GREATER FREQUENCY TO ELICIT IMPROVEMENTS IN BONE MINERAL DENSITY. 2015