Background and Purpose The prevalence of dementia is increasing in South Korea. Multidomain interventions may be useful for preventing dementia. Such programs need to be disseminated to elderly Koreans throughout the country. We have developed programs of the SoUth Korean study to PrEvent cognitive impaiRment and protect BRAIN health through lifestyle intervention in at-risk elderly people (SUPERBRAIN), which consists of a facility-based multidomain intervention (FMI) program and a home-based multidomain intervention (HMI) program suitable for elderly Koreans. We aim to determine the feasibility of the SUPERBRAIN programs before a large-scale randomized controlled trial. Methods We will recruit 150 participants among those without dementia aged 60-79 years with at least 1 modifiable dementia risk factor. They will be randomly assigned in a 1:1:1 ratio to the FMI, HMI, and the waiting-list control arm. The 6-month multidomain intervention consists of management of metabolic and vascular risk factors, cognitive training and social activity, physical exercise, nutritional guidance, and motivational enhancement programs. The primary outcomes are adherence and retention rates and changes in the total scale index score of the Repeatable Battery for the Assessment of Neuropsychological Status from baseline to the study end. The main secondary outcomes are disability, depressive symptoms, quality of life, vascular risk factors, physical performance, nutritional assessment, and motivation questionnaire. There will be an exploratory evaluation of neurotrophic, neurodegeneration, and neuroinflammation factors, microbiome, telomere length, electroencephalography, and neuroimaging measures. Conclusions The results obtained will provide information on the applicability of these multidomain intervention programs to at-risk elderly people.
We aimed to evaluate the feasibility of multidomain intervention (MI) tailored to the Korean context. In an outcome assessor-blinded, randomized controlled trial, participants without dementia and with one or more modifiable dementia risk factors, aged 60-79 years, were randomly assigned to the facility-based MI (FMI; n=51), the home-based MI (HMI; n=51), or the control group receiving general health advice (n=50). The 24week intervention comprised vascular risk management, cognitive training, social activity, physical exercise, nutrition guidance, and motivational enhancement. The FMI participants performed all intervention programs
There is a need for measures that can prevent the onset of dementia in the rapidly aging population. Reportedly, sustained physical exercise can prevent cognitive decline and disability. This study aimed to assess the feasibility of a 12-week physical exercise intervention (PEI) for delay of cognitive decline and disability in the at-risk elderly population in Korea. Twenty-six participants (aged 67.9 ± 3.6 years, 84.6% female) at risk of dementia were assigned to facility-based PEI (n = 15) or home-based PEI (n = 11). The PEI program consisted of muscle strength training, aerobic exercise, balance, and stretching using portable aids. Feasibility was assessed by retention and adherence rates. Physical fitness/cognitive function were compared before and after the PEI. Retention and adherence rates were 86.7% and 88.3%, respectively, for facility-based PEI and 81.8% and 62.3% for home-based PEI. No intervention-related adverse events were reported. Leg strength/endurance and cardiopulmonary endurance were improved in both groups: 30 s sit-to-stand test (facility-based, p = 0.002; home-based, p = 0.002) and 2 -min stationary march (facility-based, p = 0.001; home-based, p = 0.022). Cognitive function was improved only after facility-based PEI (Alzheimer’s Disease Assessment Scale-cognitive total score, p = 0.009; story memory test on Literacy Independent Cognitive Assessment, p = 0.026). We found that, whereas our PEI is feasible, the home-based program needs supplementation to improve adherence.
Improving athletes’ performance is a major topic of interest in studies on competitive sports. Core training has been used as a training method in daily life and rehabilitation, and recently, in competitive sports, with positive results. Previous experimental studies showed that core training can improve the fitness level of athletes (e.g., balance, core stability, etc.), but offer no consistent conclusions on whether it can improve sport-specific performance. The purpose of this study was to investigate the effect of core training on the sport-specific performance of athletes through a meta-analysis. Relevant studies on randomized controlled trials were selected, and we calculated the effect size using standardized mean difference values and the random effects model. Results showed that core training had almost no effect on athletes’ power and speed, while agility showed a medium effect size but no statistical significance. On the other hand, there was a large effect on general athletic performance, such as core endurance and balance. Consequently, core training had a great effect on the core endurance and balance of athletes, but little effect on sport-specific performance. This result implies that more elaborate core training programs should be designed to improve the sport-specific performance of athletes.
The objective of this study was to investigate the range of injuries according to the competition format type of Taekwondo (sparring, poomsae, and demonstration) and compare the level of injuries to provide basic data for preventing injuries among Taekwondo athletes. Data were collected through a survey of 472 Taekwondo athletes using convenience sampling and self-administration methods. The most frequently injured body part was the ankle for sparring (54.03%) and demonstration (55.09%) athletes and the pelvis for poomsae (36.36%) athletes (x2 = 111.556, p < 0.001). The most frequent injury type was sprain for poomsae (36.40%) and demonstration (52.30%) athletes and fracture for sparring (49.40%) athletes (x2 = 127.752, p < 0.001). The most frequently reported cause of injury was excessive training and chronic fatigue (x2 = 50.251, p < 0.001). All three types of athletes showed a higher proportion of injury at the training location than at the competition location. The period for the return to training was ≤1 week for sparring (40.80%) and poomsae (64.10%) athletes but 2-3 weeks for demonstration (27.8%) athletes (x2 = 45.582, p < 0.001). Diverse strategies, ranging from wearing protective gear to adopting a conditioning strategy and psychological training, are needed for each competition format of Taekwondo to prevent injuries in daily training.
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