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KMID : 1035420230110040095
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Journal of The Korean Society of Integrative Medicine
2023 Volume.11 No. 4 p.95 ~ p.104
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Effects of Muscular Endurance Exercise and Supplement Intake on Appendicular Skeletal Muscle and Muscle Function?Related Physical Strength , Blood Lipids, and IGF-1 in Obese Older Adults with Sarcopen
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Shin Jae-Suk
Kim Hyun-Jun
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Abstract
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Purpose : This study aimed to introduce a 12-week muscular endurance exercise program and β-glucan consumption to obese elderly people with sarcopenia. We evaluated the program’s impact on appendicular skeletal muscle strength and function, muscle function?related physical strength, blood lipids, and IGF-1. The results will serve as foundational data for preventing and improving sarcopenia.
Methods : Forty elderly people aged 65 or older were recruited and underwent dual-energy X-ray absorptiometry. Based on criteria related to appendicular skeletal muscle mass (ASM/Height2: less than 5.4 kg/m2) and body fat percentage (at least 30% for women and 25% for men), we selected 24 obese elderly people with sarcopenia and excluded 56 who did not meet the criteria. Variables related to sarcopenia, blood lipids, IGF-1, and muscle function were measured before the 12-week muscular endurance exercise program.
Results : In sarcopenic obese elderly participants, the 12-week muscular endurance exercise program significantly increased bone density and muscle mass while decreasing fat mass and percentage (p<.05). This program also improved grip strength, static balance, and SPPB in sarcopenic obese older adults. Furthermore, their 6-minute walk distance significantly increased (p<.05).
Conclusion : Muscular endurance exercises combined with supplement intake can increase appendicular skeletal muscle and improve muscle strength and function, thereby improving the daily physical performance of the elderly.
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KEYWORD
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12-weeks muscular endurance exercise, obese, physical strength, sarcopenia, supplement intake
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