Revealing the Neural Mechanisms Underlying the Beneficial Effects of Tai Chi: A Neuroimaging Perspective

Yu, Angus P.; Tam, Bjorn T.; Lai, Christopher; Yu, Dehong; Woo, Jean; Chung, Ka Fai; Hui, Stanley Sai-chuen; Liu, Justina Y; Wei, Gao Xia; Siu, Parco M.

doi:10.1142/s0192415x18500131

Cited by 36 publications

(26 citation statements)

References 65 publications

(99 reference statements)

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“…Traditional TCC is usually a series of elaborate, lengthy, and complex movements, while Qigong is a simpler and more repetitive exercise (22,23). TCC is a martial art that was gradually simplified and made into a common sport in 1950s (24). Nowadays, TCC as a sport focuses more on body environment and mind-body interaction (25).…”

Section: Introductionmentioning

confidence: 99%

Effect of Tai Chi Chuan in Breast Cancer Patients: A Systematic Review and Meta-Analysis

et al. 2020

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Background: Tai Chi Chuan(TCC), as a mind-body exercise, may have a positive impact on physical function and psychological well-being in breast cancer patients. The latest systematic review and meta-analysis of TCC for breast cancer was made 4 years ago and some new clinical trials about it were published. We remade a systematic review and meta-analysis to evaluate the effect of TCC in breast cancer patients.Methods: In this systematic review and meta-analysis, we searched MEDLINE (via PubMed), EMBASE (via embase.com), CENTRAL, CNKI, COVIP, Wanfang, Chaoxing, CiNii, J-SSTAGE, DBpia, and ThaiJO with no language restrictions from inception to December 31, 2018 (updated on February 16, 2020), for randomized clinical trials comparing TCC with non-exercised therapy in breast cancer patients. The primary outcome was quality of life in patients with breast cancer and data pooled by a randomeffects model. Subgroup analyses were conducted to estimate the effect of different durations of TCC for breast cancer patients. This study was registered in PROSPERO, number CRD 4201810326.Results: Fifteen articles involving a total of 885 breast cancer participants were included in this review. Compared with non-exercised therapy, TCC had a significant effect on quality of life in breast cancer patients (SMD = 0.37, 95% CI 0.15-0.59, p = 0.001), and subgroup analysis found that TCC showed beneficial effect in 12 weeks and 25 weeks (12 weeks: SMD = 0.40, 95% CI 0.19-0.62, p = 0.0003; 25 weeks: SMD = 0.38, 95% CI 0.15-0.62, p = 0.002). Meta-analyses of secondary outcomes showed that 3 weeks TCC increased shoulder function (SMD = 1.08, 95% CI 0.28-1.87, p = 0.008), 12 weeks TCC improved pain (SMD = 0.30, 95% CI 0.08-0.51, p = 0.007), shoulder function (SMD = 1.34, 95% CI 0.43-2.25, p = 0.004), strength of arm (SMD = 0.44, 95% CI 0.20-0.68, p = 0.0004), and anxiety (MD = −4.90, 95% CI −7.83 to −1.98, p = 0.001) in breast cancer patients compared with the control group.Conclusions: TCC appears to be effective on some physical and psychological symptoms and improves the quality of life in patients with breast cancer. Additional randomized controlled trials with a rigorous methodology and low risk of bias are needed to provide more reliable evidence.

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Section: Introductionmentioning

confidence: 99%

Effect of Tai Chi Chuan in Breast Cancer Patients: A Systematic Review and Meta-Analysis

et al. 2020

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“…Nevertheless, long- and short-term TCC training both resulted in detectable differences in resting-state functional connectivity in older adult participants. Importantly, intervention studies that investigate the effects of TCC training on task-switching related functional brain processes using task-fMRI in older adults are still lacking (Yu et al, 2018 ). Thus, it remains unclear whether and how TCC training alters task-switching associated brain functional responses and how these changes in functional responses correlate with improvement in task-switching ability.…”

Section: Introductionmentioning

confidence: 99%

Task-Switching Performance Improvements After Tai Chi Chuan Training Are Associated With Greater Prefrontal Activation in Older Adults

Tang

Goh

et al. 2018

Front. Aging Neurosci.

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Studies have shown that Tai Chi Chuan (TCC) training has benefits on task-switching ability. However, the neural correlates underlying the effects of TCC training on task-switching ability remain unclear. Using task-related functional magnetic resonance imaging (fMRI) with a numerical Stroop paradigm, we investigated changes of prefrontal brain activation and behavioral performance during task-switching before and after TCC training and examined the relationships between changes in brain activation and task-switching behavioral performance. Cognitively normal older adults were randomly assigned to either the TCC or control (CON) group. Over a 12-week period, the TCC group received three 60-min sessions of Yang-style TCC training weekly, whereas the CON group only received one telephone consultation biweekly and did not alter their life style. All participants underwent assessments of physical functions and neuropsychological functions of task-switching, and fMRI scans, before and after the intervention. Twenty-six (TCC, N = 16; CON, N = 10) participants completed the entire experimental procedure. We found significant group by time interaction effects on behavioral and brain activation measures. Specifically, the TCC group showed improved physical function, decreased errors on task-switching performance, and increased left superior frontal activation for Switch > Non-switch contrast from pre- to post-intervention, that were not seen in the CON group. Intriguingly, TCC participants with greater prefrontal activation increases in the switch condition from pre- to post-intervention presented greater reductions in task-switching errors. These findings suggest that TCC training could potentially provide benefits to some, although not all, older adults to enhance the function of their prefrontal activations during task-switching.

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“…The coordination of timing and the amplitude of muscle reactions to postural perturbations and the abilities of re-establishing sensory inputs and subsequently modify postural responses are two significant aspects of balance control. Improvement of the sensation of touch can thus provide more concise information to the brain in how to react and how to coordinate the muscles for better balance control (Yu et al, 2018). Previous study demonstrated that Tai Chi Chun increase in the cortical thickness of the right precentral which might strength the coordination and planning of movement brain (-Wei, et al, 2014;Wei et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

Effect of Twelve Sessions of Tai Chi Exercise on Static and Dynamic Balance in Young Girls

Daneshjoo

Tavakol

Saad

2020

IJKSS

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Background: Tai Chi is Chinese martial art strengthening the performance of individuals. Objectives: The purpose of present study is to determine the effect of a Tai Chi exercise period on static and dynamic balance of young girls. Methods: For the purpose of this research, 32 young girls were voluntarily selected and randomly divided into two groups: Tai Chi training group (21 subjects; mean ± SD; age 22.05±2.4 weight 53.67±6.3 kg, height 1.60±0.5 m) and control group (11 subjects; mean ± SD; age 23.37±0.9 weight 53.64±7.8 kg, height 1.62±0.4 m) players. Static and dynamic balance were measured using Biodex Balance System SD three days before and after a 12-session training period with similar conditions in terms of time and place (75 minutes each session). Results: Mixed repeated measure test showed a significant difference between pre and post-tests in open eye single-foot, closed eye single-foot, open eye two-foot, and closed eye two-foot stances (p=0.001). However, no significant difference was revealed in the control group (p>0.05). While there was better balance state in all stances of Tai Chi group, no significant difference was observed between the groups in this respect (p>0.05). Conclusions: The findings of this research indicated the effectiveness of Tai Chi exercises on static and dynamic balance of young girls. Although there was no significant difference in effect of exercise between training and control groups, mean percentage of changes in training group revealed the effectiveness of exercise in training group compared to control. Therefore, Tai Chi exercises can be recommended to treat and prevent injury due to poor balance. We suggested performing Tai Chi more than 12 session in order to enhance it influences.

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Revealing the Neural Mechanisms Underlying the Beneficial Effects of Tai Chi: A Neuroimaging Perspective

Cited by 36 publications

References 65 publications

Effect of Tai Chi Chuan in Breast Cancer Patients: A Systematic Review and Meta-Analysis

Effect of Tai Chi Chuan in Breast Cancer Patients: A Systematic Review and Meta-Analysis

Task-Switching Performance Improvements After Tai Chi Chuan Training Are Associated With Greater Prefrontal Activation in Older Adults

Effect of Twelve Sessions of Tai Chi Exercise on Static and Dynamic Balance in Young Girls

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