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논문 기본 정보

자료유형
학술저널
저자정보
박시화 (한서대학교 스포츠학부 레저스포츠전공 스포츠의학) 박상균 (충남대학교) 지용석 (한서대학교)
저널정보
한국운동재활학회 Journal of exercise rehabilitation Journal of exercise rehabilitation Vol.19 No.1
발행연도
2023.2
수록면
45 - 56 (12page)
DOI
10.12965/jer.2244512.256

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초록· 키워드

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This study aimed to examine whether compared with a program with out walking, intervention programs with three types of walking can im prove the muscle property and immunocytes in elderly women. Thir ty-two subjects were randomly assigned to control group (CON), slow walking group (SWG), moderate walking group (MWG), and fast walk ing group (FWG). Three types of walking on treadmill were 30 min a day, 5 days/wk for 12 weeks. Muscle contraction time (Tc), maximum dis placement (Dm), and immunocytes were tested by tensiomyography and flow cytometry. After the intervention, FWG had an increasing ten dency in the muscle mass compared with other three groups. Tc of bi ceps femoris (BF) decreased in CON and SWG, while Tc of BF in MWG and FWG (30.58%± 23.71%) increased. It was similar in the rectus femo ris (RF). Although Dm of BF and RF increased in CON and SWG, those decreased in MWG and FWG. Leucocytes of CON and SWG had a de creasing tendency, those of MWG (9.65%± 13.01%) and FWG (13.01%± 13.58%) increased. In the neutrophil, only CON decreased, whereas the three groups showed an increasing tendency. Helper T cell was in creased only in FWG (19.61%± 19.94%), showing significant differences between groups (P= 0.009, η²= 0.378). Natural killer cell was improved in SWG and MWG but showed a clear increase in FWG (75.76%± 63.57%). It might be confirmed that walking for elderly increases the muscle property of the lower legs as they walk faster, which might be expected to improve the immunocytes function.

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