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Exerc Sci > Volume 13(4); 2004 > Article
Exercise Science 2004;13(4): 435-444.
12주 걷기 운동이 공복시 혈당장애 여성의 인슐린 감수성에 미치는 영향
강호율1, 정수련2, 이종도3
1경북대학교
2경주대학교
3Arizona State Univ.
The effects of 12-week walking training on insulin sensitivity in postmenopausal female with impaired fasting glucose
ABSTRACT
The effects of 12-week walking training on insulin sensitivity in postmenopausal female with impaired fasting glucose. Exercise Science, 13(4): 435-444, 2004. The purpose of this study was to examine the impacts of 12-week physical training on insulin sensitivity in postmenopausal female with impaired fasting glucose (IFG). 11- postmenopausal women were volunteered for this study and their fasting blood glucose levels were over 100 ㎎/㎗. All subjects were asked voluntarily to walk/fast walk 4 days of each week for 12 weeks on treadmill and the walk/fast walk distance were recorded. The 75 g oral glucose tolerance test (OGTT), VO₂max and blood sampling were performed at prior to training (0-wks), 6-week (6-wks) and 12-week (12-wks) after training. Blood lipids and HbA1c were measured from collected blood samples. VO₂max was significantly improved after 6-week (24.2±0.8 ㎖/㎏/min) and 12-week (25.4 ±0.9 ㎖/㎏/min) training compared to baseline (22.6±0.5 ㎖/㎏/min), respectively. Glucose, insulin and c-peptide responses in OGTT were not significantly different in 6-wks and 12-wks after training compared to 0-wks. The Plasma lipid profiles were not affected by training, but HbA1c in 6-wks (5.65±0.1 %) and 12-wks (5.6±0.1 %) were significantly different from 0-wks (6.0±0.1 %). Therefore, these data suggest that 12-week physical training in postmenopausal women with IFG may enhance the HbA1c level, but without the improvement of insulin sensitivity.
Key words: OGTT, HbA1c, Physical training, Plasma glucose, Insulin, c-peptide.
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