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  1. Article ; Online: Virtual Tai Chi program for patients with irritable bowel syndrome with constipation: Proof-of-concept feasibility trial.

    Staller, Kyle / Paz, Mary / Rones, Ramel / Macklin, Eric A / Garcia-Fischer, Isabelle / Murray, Helen Burton / Kuo, Braden

    Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society

    2022  Volume 34, Issue 11, Page(s) e14429

    Abstract: ... with constipation (IBS-C) is low, with many patients turning to complementary treatments. Tai Chi is ... the feasibility and preliminary clinical outcomes associated with a Tai Chi program designed for IBS-C.: Methods ... A total of 27 IBS-C patients participated in a single-arm trial of 8 sessions of Tai Chi delivered weekly ...

    Abstract Background: Satisfaction with current treatment options for irritable bowel syndrome with constipation (IBS-C) is low, with many patients turning to complementary treatments. Tai Chi is a mind-body medicine practice with proven efficacy in other functional disorders. As a proof-of-concept, we tested the feasibility and preliminary clinical outcomes associated with a Tai Chi program designed for IBS-C.
    Methods: A total of 27 IBS-C patients participated in a single-arm trial of 8 sessions of Tai Chi delivered weekly over 7 weeks via live videoconferencing in group format. Clinical improvement was assessed via change in IBS Symptom Severity Score (IBS-SSS) from baseline to 4 weeks posttreatment (week 11) with secondary outcomes exploring symptom ratings, IBS-related quality of life (IBS-QOL), GI-specific anxiety, abdominal distention, and psychological factors.
    Key results: Despite substantial dropout (n = 7; 26%), the treatment protocol had moderate to excellent feasibility for other criteria. Treatment satisfaction was excellent. Exit interviews confirmed high satisfaction with the program among completers, but a high burden of data collection was noted. One participant experienced an adverse event (mild, exacerbation of sciatica). There was a significant improvement in intra-individual IBS-SSS between baseline and posttreatment (average change -66.5, 95% CI -118.6 to -14.3, p = 0.01). Secondary outcomes were notable for improvements in other IBS symptom scoring measures, IBS-QOL, measured abdominal diameter, and leg strength.
    Conclusions and inferences: Our data provide preliminary evidence of the feasibility of a Tai Chi intervention for IBS-C, show promise for improving outcomes, and identify more streamlined data collection as an area for further program improvement.
    MeSH term(s) Constipation/drug therapy ; Feasibility Studies ; Humans ; Irritable Bowel Syndrome/drug therapy ; Irritable Bowel Syndrome/therapy ; Proof of Concept Study ; Quality of Life ; Tai Ji ; Treatment Outcome
    Language English
    Publishing date 2022-07-14
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 1186328-6
    ISSN 1365-2982 ; 1350-1925
    ISSN (online) 1365-2982
    ISSN 1350-1925
    DOI 10.1111/nmo.14429
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Effects of long-term Tai-Chi Chuan practice on whole-body balance control during obstacle-crossing in the elderly.

    Kuo, Chien-Chung / Chen, Sheng-Chang / Chen, Tsan-Yang / Ho, Tsung-Jung / Lin, Jaung-Geng / Lu, Tung-Wu

    Scientific reports

    2022  Volume 12, Issue 1, Page(s) 2660

    Abstract: ... obstacle negotiation. This study aimed to quantify the effects of long-term Tai-Chi Chuan (TCC) practice ...

    Abstract Older people are subject to an increased risk of falling compared to the young, especially during obstacle negotiation. This study aimed to quantify the effects of long-term Tai-Chi Chuan (TCC) practice on the balance control during obstacle-crossing in older people in terms of the inclination angles (IA) of the body's centre of mass (COM) relative to the centre of pressure (COP), and the rate of change of IA (RCIA). Fifteen healthy older adults who had practised TCC for at least 13 years and 15 healthy controls without any experience in TCC performed obstacle-crossing in a gait laboratory. The TCC group showed significantly greater leading and trailing toe-obstacle clearances but smaller trailing stride lengths when compared to controls. In the sagittal plane, the TCC group showed significantly smaller average anterior IA when the COM was anterior to the COP but greater average posterior IA when the COM was posterior to the COP, with significantly smaller average and peak RCIA over the crossing cycle. Long-term TCC practitioners showed an obstacle-crossing technique for less risk of tripping and better balance control, as indicated respectively by significantly increased toe-obstacle clearances and more posterior COM position relative to the COP with smaller anterior IA and RCIA during leading crossing and greater posterior IA and frontal RCIA at trailing-toe crossing. These benefits appeared to be related to the main features of TCC movements that emphasized maintaining balance during single-leg support and keeping the body weight on the trailing limb during the slow weight-shifting of double-limb support.
    MeSH term(s) Aged ; Biomechanical Phenomena ; Female ; Gait ; Humans ; Male ; Postural Balance ; Tai Ji ; Walking
    Language English
    Publishing date 2022-02-17
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-022-06631-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Synergistic multi-joint kinematic strategies to reduce tripping risks during obstacle-crossing in older long-term Tai-Chi Chuan practitioners.

    Huang, Hsing-Po / Kuo, Chien-Chung / Lu, Shiuan-Huei / Chen, Sheng-Chang / Ho, Tsung-Jung / Lu, Tung-Wu

    Frontiers in aging neuroscience

    2022  Volume 14, Page(s) 961515

    Abstract: ... causes of falls in the elderly. Tai-Chi Chuan (TCC) has been shown to improve muscle strength, inter ...

    Abstract Introduction: Losing balance or tripping over obstacles is considered one of the most common causes of falls in the elderly. Tai-Chi Chuan (TCC) has been shown to improve muscle strength, inter-joint coordination and balance control in the elderly. This study aimed to determine whether older long-term TCC practitioners would show multi-joint kinematic strategies that would reduce the risk of tripping during obstacle-crossing compared to peers without TCC experience.
    Methods: Three-dimensional motions of the pelvis and lower extremities were measured using a motion capture system in fifteen older long-term TCC practitioners (TCC group) and 15 healthy controls without TCC experience during walking and crossing obstacles of three different heights. Crossing angles of the pelvis and lower limbs and toe-obstacle clearances were obtained and analyzed using two-way analyses of variance to study the between-subject (group) and within-subject (height) effects. A multi-link system approach was used to reveal the relationship between joint angular changes and toe-obstacle clearances.
    Results: Compared to the controls, the TCC group showed increased leading and trailing toe-obstacle clearances (
    Conclusion: The current study identified the kinematic changes of the pelvis and the lower limb joints and revealed a specific synergistic multi-joint kinematic strategy to reduce tripping risks during obstacle-crossing in older long-term TCC practitioners as compared to non-TCC controls. The observed multi-joint kinematic strategies and the associated increases in toe-obstacle clearances appeared to be related to the training characteristics of TCC movements. Long-term TCC practice may be helpful for older people in reducing the risk of tripping and the subsequent loss of balance.
    Language English
    Publishing date 2022-09-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2558898-9
    ISSN 1663-4365
    ISSN 1663-4365
    DOI 10.3389/fnagi.2022.961515
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Quantitative Motion Analysis of Tai Chi Chuan: The Upper Extremity Movement.

    Ho, Tsung-Jung / Chou, Kuei-Ting / Li, Cheng-Hsuan / Kuo, Bor-Chen / Huang, Tzung-Chi

    BioMed research international

    2018  Volume 2018, Page(s) 2538765

    Abstract: The quantitative and reproducible analysis of the standard body movement in Tai Chi Chuan (TCC) was ...

    Abstract The quantitative and reproducible analysis of the standard body movement in Tai Chi Chuan (TCC) was performed in this study. We aimed to provide a reference of the upper extremities for standardizing TCC practice. Microsoft Kinect was used to record the motion during the practice of TCC. The preparation form and eight essential forms of TCC performed by an instructor and 101 practitioners were analyzed in this study. The instructor completed an entire TCC practice cycle and performed the cycle 12 times. An entire cycle of TCC was performed by practitioners and images were recorded for statistics analysis. The performance of the instructor showed high similarity (Pearson correlation coefficient (
    MeSH term(s) Cohort Studies ; Humans ; Models, Statistical ; Movement/physiology ; Tai Ji ; Time and Motion Studies ; Upper Extremity/physiology
    Language English
    Publishing date 2018-01-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2698540-8
    ISSN 2314-6141 ; 2314-6133
    ISSN (online) 2314-6141
    ISSN 2314-6133
    DOI 10.1155/2018/2538765
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Effect of a Single Session of Tai Chi Chuan Practice on Glucose and Lipid Metabolism and Related Hormones.

    Lu, Wan-An / Chen, Yung-Sheng / Wang, Chun-Hsiung / Kuo, Cheng-Deng

    Life (Basel, Switzerland)

    2020  Volume 10, Issue 8

    Abstract: Background: To examine the effect of Tai Chi Chuan (TCC) practice on glucose and lipid metabolism ...

    Abstract Background: To examine the effect of Tai Chi Chuan (TCC) practice on glucose and lipid metabolism and related hormones in TCC practitioners.
    Methods: Twenty-one TCC practitioners and nineteen healthy controls were included in this study. Classical Yang's TCC was practiced by the TCC practitioners. The percentage changes in serum total cholesterol (TC), high-density lipoprotein-cholesterol (HDL-C), serum glucose (SG), serum insulin, serum insulin level, homeostatic model assessment of insulin resistance (HOMA-IR), log(HOMA-IR), quantitative insulin sensitivity check index (QUICKI), and serum endothelin-1 (ET-1) before and 30 min after resting or TCC practice were compared between healthy controls and TCC practitioners.
    Results: Before TCC or resting, the serum insulin level, HOMA-IR, and log(HOMA-IR) of the TCC practitioners were significantly lower than those of healthy subjects, whereas the QUICKI of the TCC practitioners was significantly higher than that of healthy subjects. Thirty min after TCC practice, the %TC, %HDL-C, %QUICKI, and %ET-1 were all significantly decreased, whereas the %SG, %serum insulin, and %HOMA-IR were significantly increased in the TCC group as compared to the control group 30 min after resting.
    Conclusions: The serum glucose, insulin level and insulin resistance were enhanced, whereas the cholesterol, HDL-C and ET-1 levels were reduced 30 min after TCC practice. The mechanism underlying these effects of TCC 30 min after TCC is not clear yet.
    Language English
    Publishing date 2020-08-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662250-6
    ISSN 2075-1729
    ISSN 2075-1729
    DOI 10.3390/life10080145
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Best-Compromise Control Strategy Between Mechanical Energy Expenditure and Foot Clearance for Obstacle-Crossing in Older Adults: Effects of Tai-Chi Chuan Practice.

    Kuo, Chien-Chung / Chen, Sheng-Chang / Wang, Jr-Yi / Ho, Tsung-Jung / Lu, Tung-Wu

    Frontiers in bioengineering and biotechnology

    2021  Volume 9, Page(s) 774771

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2021-12-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2719493-0
    ISSN 2296-4185
    ISSN 2296-4185
    DOI 10.3389/fbioe.2021.774771
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Effects of Tai-Chi Chuan Practice on Patterns and Stability of Lower Limb Inter-Joint Coordination During Obstructed Gait in the Elderly.

    Kuo, Chien-Chung / Chen, Sheng-Chang / Wang, Jr-Yi / Ho, Tsung-Jung / Lin, Jaung-Geng / Lu, Tung-Wu

    Frontiers in bioengineering and biotechnology

    2021  Volume 9, Page(s) 739722

    Abstract: ... in the elderly. As a low speed, low impact exercise, Tai Chi Chuan (TCC) can be promising in helping the elderly ...

    Abstract Losing balance or tripping during obstacle-crossing is one of the most frequent causes of falls in the elderly. As a low speed, low impact exercise, Tai Chi Chuan (TCC) can be promising in helping the elderly develop strategies for improved balance, inter-joint coordination, and end-point control during obstacle-crossing. This study investigates the effects of TCC training on the patterns and variability of the lower-limb inter-joint coordination during obstacle-crossing in the elderly. Fifteen older TCC practitioners and 15 healthy controls crossed obstacles of three different heights, while sagittal angles
    Language English
    Publishing date 2021-12-21
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2719493-0
    ISSN 2296-4185
    ISSN 2296-4185
    DOI 10.3389/fbioe.2021.739722
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  8. Article ; Online: Quantitative Motion Analysis of Tai Chi Chuan

    Tsung-Jung Ho / Kuei-Ting Chou / Cheng-Hsuan Li / Bor-Chen Kuo / Tzung-Chi Huang

    BioMed Research International, Vol

    The Upper Extremity Movement

    2018  Volume 2018

    Abstract: The quantitative and reproducible analysis of the standard body movement in Tai Chi Chuan (TCC) was ...

    Abstract The quantitative and reproducible analysis of the standard body movement in Tai Chi Chuan (TCC) was performed in this study. We aimed to provide a reference of the upper extremities for standardizing TCC practice. Microsoft Kinect was used to record the motion during the practice of TCC. The preparation form and eight essential forms of TCC performed by an instructor and 101 practitioners were analyzed in this study. The instructor completed an entire TCC practice cycle and performed the cycle 12 times. An entire cycle of TCC was performed by practitioners and images were recorded for statistics analysis. The performance of the instructor showed high similarity (Pearson correlation coefficient (r)=0.71~0.84) to the first practice cycle. Among the 9 forms, lay form had the highest similarity (rmean=0.90) and push form had the lowest similarity (rmean=0.52). For the practitioners, ward off form (rmean=0.51) and roll back form (rmean=0.45) had the highest similarity with moderate correlation. We used Microsoft Kinect to record the spatial coordinates of the upper extremity joints during the practice of TCC and the data to perform quantitative and qualitative analysis of the joint positions and elbow joint angle.
    Keywords Medicine ; R
    Subject code 796
    Language English
    Publishing date 2018-01-01T00:00:00Z
    Publisher Hindawi Limited
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Increased first and second pulse harmonics in Tai Chi Chuan practitioners.

    Lu, Wan-An / Chen, Yung-Sheng / Kuo, Cheng-Deng

    BMC complementary and alternative medicine

    2016  Volume 16, Page(s) 87

    Abstract: Background: Tai Chi Chuan (TCC) is known to be a good calisthenics for people. This study examined ...

    Abstract Background: Tai Chi Chuan (TCC) is known to be a good calisthenics for people. This study examined the relationship between pulse harmonics and autonomic nervous modulation in TCC practitioners.
    Methods: Power spectral measures of right pulse wave and heart rate variability (HRV) measures were compared between TCC practitioners and control subjects. Correlation analyses between pulse harmonics and HRV measures were performed using linear regression analysis.
    Results: At baseline, the total power of pulse (TPp), powers of all individual pulse harmonics, normalized power of the 1(st) harmonics (nPh1) of TCC practitioners were greater, while the normalized power of the 4(th) pulse harmonics (nPh4) of TCC practitioners was smaller, than those of the controls. Similarly, the baseline standard deviation (SD(RR)), coefficient of variation (CV(RR)), and normalized high-frequency power (nHFP) of RR intervals were smaller, while the normalized very low-frequency power (nVLFP) and low-/high- frequency power ratio (LHR) were larger in the TCC practitioners. The TCC age correlated significantly and negatively with nPh1, and nearly significantly and negatively with nPh2 in the TCC practitioners. Thirty min after TCC exercise, the percentage changes in mRRI, SDRR, TP, VLFP were decreased, while the percentage changes in HR, ULFP, nLFP, and Ph2 were increased, relative to the controls. Correlation analysis shows that the %Ph2 correlates significantly and negatively with %mRRI and significantly and positively with %HR.
    Conclusion: The TCC practitioners had increased baseline total power of pulse and the 1(st) and 2(nd) pulse harmonics, and decreased power of the 4(th) pulse harmonics, along with decreased vagal modulation and increased sympathetic modulation. After TCC exercise, the power of the 2(nd) harmonics of TCC practitioners was increased which might be related to the increase in HR due to decreased vascular resistance after TCC exercise.
    MeSH term(s) Adult ; Age Factors ; Exercise/physiology ; Female ; Heart Rate ; Humans ; Male ; Middle Aged ; Pulse ; Sympathetic Nervous System/physiology ; Tai Ji ; Vagus Nerve/physiology ; Vascular Resistance/physiology
    Language English
    Publishing date 2016-02-29
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2050429-9
    ISSN 1472-6882 ; 1472-6882
    ISSN (online) 1472-6882
    ISSN 1472-6882
    DOI 10.1186/s12906-016-1058-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Effect of a Single Session of Tai Chi Chuan Practice on Glucose and Lipid Metabolism and Related Hormones

    Wan-An Lu / Yung-Sheng Chen / Chun-Hsiung Wang / Cheng-Deng Kuo

    Life, Vol 10, Iss 145, p

    2020  Volume 145

    Abstract: Background: To examine the effect of Tai Chi Chuan (TCC) practice on glucose and lipid metabolism ...

    Abstract Background: To examine the effect of Tai Chi Chuan (TCC) practice on glucose and lipid metabolism and related hormones in TCC practitioners. Methods: Twenty-one TCC practitioners and nineteen healthy controls were included in this study. Classical Yang’s TCC was practiced by the TCC practitioners. The percentage changes in serum total cholesterol (TC), high-density lipoprotein-cholesterol (HDL-C), serum glucose (SG), serum insulin, serum insulin level, homeostatic model assessment of insulin resistance (HOMA-IR), log(HOMA-IR), quantitative insulin sensitivity check index (QUICKI), and serum endothelin-1 (ET-1) before and 30 min after resting or TCC practice were compared between healthy controls and TCC practitioners. Results: Before TCC or resting, the serum insulin level, HOMA-IR, and log(HOMA-IR) of the TCC practitioners were significantly lower than those of healthy subjects, whereas the QUICKI of the TCC practitioners was significantly higher than that of healthy subjects. Thirty min after TCC practice, the %TC, %HDL-C, %QUICKI, and %ET-1 were all significantly decreased, whereas the %SG, %serum insulin, and %HOMA-IR were significantly increased in the TCC group as compared to the control group 30 min after resting. Conclusions: The serum glucose, insulin level and insulin resistance were enhanced, whereas the cholesterol, HDL-C and ET-1 levels were reduced 30 min after TCC practice. The mechanism underlying these effects of TCC 30 min after TCC is not clear yet.
    Keywords serum glucose ; insulin resistance ; insulin sensitivity ; Tai Chi Chuan ; Science ; Q
    Subject code 630
    Language English
    Publishing date 2020-08-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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