대한치매학회지 (Dementia and Neurocognitive Disorders)

대한치매학회 (Korean Dementia Association)
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Effects of a High-Intensity Interval Physical Exercise Program on Cognition, Physical Performance, and Electroencephalogram Patterns in Korean Elderly People: A Pilot Study

  • Sun Min Lee (Department of Neurology, Ajou University School of Medicine) ;
  • Muncheong Choi (Exercowork) ;
  • Buong-O Chun (Graduate School of Physical Education, College of Arts and Physical Education, Myongji University) ;
  • Kyunghwa Sun (Department of Neurology, Ajou University School of Medicine) ;
  • Ki Sub Kim (Dongtan Public Health Center) ;
  • Seung Wan Kang (iMediSync Inc.) ;
  • Hong-Sun Song (Department of Sport Science, Korea Institute of Sport Science) ;
  • So Young Moon (Department of Neurology, Ajou University School of Medicine)
  • 투고 : 2022.05.16
  • 심사 : 2022.07.13
  • 발행 : 2022.07.31
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초록

Background and Purpose: The effects of high-intensity interval training (HIIT) interventions on functional brain changes in older adults remain unclear. This preliminary study aimed to explore the effect of physical exercise intervention (PEI), including HIIT, on cognitive function, physical performance, and electroencephalogram patterns in Korean elderly people. Methods: We enrolled six non-dementia participants aged >65 years from a community health center. PEI was conducted at the community health center for 4 weeks, three times/week, and 50 min/day. PEI, including HIIT, involved aerobic exercise, resistance training (muscle strength), flexibility, and balance. Wilcoxon signed rank test was used for data analysis. Results: After the PEI, there was improvement in the 30-second sit-to-stand test result (16.2±7.0 times vs. 24.8±5.5 times, p=0.027), 2-minute stationary march result (98.3±27.2 times vs. 143.7±36.9 times, p=0.027), T-wall response time (104.2±55.8 seconds vs.71.0±19.4 seconds, p=0.028), memory score (89.6±21.6 vs. 111.0±19.1, p=0.028), executive function score (33.3±5.3 vs. 37.0±5.1, p=0.046), and total Literacy Independent Cognitive Assessment score (214.6±30.6 vs. 241.6±22.8, p=0.028). Electroencephalography demonstrated that the beta power in the frontal region was increased, while the theta power in the temporal region was decreased (all p<0.05). Conclusions: Our HIIT PEI program effectively improved cognitive function, physical fitness, and electroencephalographic markers in elderly individuals; thus, it could be beneficial for improving functional brain activity in this population.

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과제정보

This work was supported by grants from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI) and Korea Dementia Research Center (KDRC), funded by the Ministry of Health & Welfare and Ministry of Science and ICT, Republic of Korea (HI18C0479 and HU21C0016) and from the National Research Foundation of Korea (NRF), funded by the Ministry of Science and ICT, Republic of Korea (NRF-2019R1F1A1059660). The study's funders had no role in the study design, data collection, analysis, interpretation of data, writing of the report, or decision to submit the paper for publication.

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