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운동생리학 : 다양한 운동형태의 일회성 운동이 혈장량과 혈중 지질 및 지단백 콜레스테롤에 미치는 영향
심윤택(SimYunTaeg),김광희(KimGwangHui),박동호(ParkDongHo),김도윤(KimDoYun) 한국체육학회 2003 한국체육학회지 Vol.42 No.5
Acute plasam volume change(PVC) and high-density lipoprotein (HDL), triglyceride(TG), total cholesterol(TC), low-density lipoprotein (LDL), and very low-density lipoprotein (VLDL) changes were determined in 18 healthy college aged-men completing three-counterbalanced running trials at different exercise intensities: trial 1 at 50%LT, trial 2 at 100%LT intensity and 75%LT intensity. For each trial, blood samples were collected at pre-exercise (baseline), immediately post-exercise (PE), 24 hours(24h) and 48 hours post-exercise. Serum samples were analyzed for HDL, LDL, VLDL, TC, and TG. In addition, capillary blood samples were collected for analysis of blood lactate concentrations during incremental test to determine LT. All samples were corrected for plasma volume changes and compared to pre-exercise (baseline). The result through the statistical analysis of plasma volume change and lipid profiles as follows:1. PVC was not changes among the intensities while the differences of PVC over time were detected at 50%LT (baseline vs immediately post-exercise, p<.05) and 75% LT (immediately post-exercise vs 48h PE, p<.05). 2. No significant difference was determined in changes of HDL, LDL, VLDL, TG, and TC at various intensities over time. However, there was favourable changing tendency of HDL & TG at the 100%LT intensity. Consequently, exercise at LT intensity might favourably alter the lipid profile as demonstrated in increasing tendencies of 24h and 48h HDL concentrations in combination with decreasing tendencies of TG and VLDL at in 24h and 48h. Therefore, the 100%LT intensity might be the favourable threshold intensity of acute aerobic exercise (expending over 400 ㎉ or spending over 38min for exercise duration) necessary to promote a significant increase in HDL.
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