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Effects of the 4‐week high intensity interval physical exercise intervention on physical fitness, cognitive function and electroencephalogram patterns in 6 Korean elderly
Author(s) -
Lee Sun Min,
Choi Muncheong,
Chun ByoungO,
Kang Dong Won,
Kang Seung Wan,
Sun Kyunghwa,
Song Hongsun,
Moon So Young
Publication year - 2020
Publication title -
alzheimer's and dementia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.713
H-Index - 118
eISSN - 1552-5279
pISSN - 1552-5260
DOI - 10.1002/alz.041679
Subject(s) - aerobic exercise , cognition , physical therapy , physical fitness , medicine , intensity (physics) , cognitive flexibility , balance (ability) , heart rate , psychology , blood pressure , physics , quantum mechanics , psychiatry
Background This is a preliminary study to research the efficacy of a multicomponent and structured high intensity interval physical exercise intervention (PEI) on cognitive function in the not‐demented Korean elderly. Method We enrolled 6 not‐demented participants over the age of 70 from a community health center (77.0±4.7 years, 33.3% female). The PEI was conducted at the community health center for 4 weeks, 3 times a week, and 1 hour a day. It was a multicomponent structured physical exercise program consisting of muscle strength, flexibility, balance and aerobic exercises using elastic bands and ladder‐shaped floor plate, which was also a high intensity interval exercise program that allowed participants to maintain a 75 percent increase in their heart rate during exercise rather than the heart rate measured at rest. The outcome of this study was the effect of our PEI and was intended to be verified by conducting the physical fitness, cognitive function evaluation and electroencephalography, which were analyzed by paired t‐tests. Result After the PEI, some items of participants' physical fitness and cognitive function evaluation were improved: 30‐seconds sit‐stand test (16.2±7.0 vs 24.8±5.5, p<0.05), 2‐minutes stationary march (98.3±27.2 vs 143.7±36.9, p<0.05), literacy independent cognitive assessment (LICA) memory domain score (89.6±21.6 vs 111.0±19.1, p<0.05), LICA executive domain score (33.3±5.3 vs 37.0±5.1, p<0.05) and LICA total score (214.6±30.6 vs 241.6±22.8, p<0.05). In addition, the relative theta and delta power on temporal brain region were decreased and the relative beta power on frontal brain region was increased (p<0.05) after the PEI. Conclusion This study suggests that our high intensity interval PEI program could be helpful for the elderly with cognitive brain function as well as physical fitness, lower extremity muscular and cardiopulmonary endurance.