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題 名 | 十二週耐力運動訓練對肥胖大學生動脈硬化程度之影響=Effects of 12-Week Endurance Exercise Training on Arterial Stiffness in Obese College Students |
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作 者 | 朱嘉華; 潘倩玉; | 書刊名 | 屏東教大運動科學學刊 |
卷 期 | 7 2011.12[民100.12] |
頁 次 | 頁23-35 |
分類號 | 528.9013 |
關鍵詞 | 耐力運動訓練; 心血管疾病; 動脈順應性; 動脈硬化; 大學生; Endurance exercise training; Cardiovascular diseases; Arterial compliance; Arterial stiffness; College students; |
語 文 | 中文(Chinese) |
中文摘要 | 目的:本研究的主要目的在探討12週的耐力運動訓練對肥胖大學生動脈硬化程度(arterial stiffness)之影響。方法:以31名肥胖大學生(BMI = 31.82 ± 4.52kg.m–2)為對象,並隨機分配至耐力運動訓練組(n = 16)及控制組 (n = 15)。耐力運動訓練組每週接受 3天,每次 30分鐘漸增至 50分鐘,運動強度為 70%HRmax,為期12週的固定式腳踏車訓練;控制組則維持正常的飲食及生活作息。受試者於實驗介入前後分別進行一次檢測,並以脈壓(pulse pressure, PP)與心臟超音波(echocardiography)所測得的每跳輸出量(stoke volume, SV)之比值(PP/SV ratio)及標準化後之PP/SVi 比值作為動脈硬化程度之評估;身體組成則是利用生物電阻分析法(bioelectrical impedance analysis)測量。以混合設計二因子變異數分析(two-way analysis of variance, two-way ANOVA)考驗不同組別在耐力運動訓練前後,動脈硬化、身體組成和心肺功能之交互作用情形,若交互作用達到顯著水準,則進一步考驗單純主要效果。結果:12週耐力運動訓練顯著增加肥胖大學生之SV和V ‧ O2max,降低收縮壓(systolic blood pressure, SBP)、平均動脈壓、安靜心跳率、體重、BMI、體脂肪百分比、脂肪重及腰臀圍比。耐力運動訓練也顯著降低 PP、PP/SV及標準化的 PP/SVi比值,且其降低與 SBP 的改善有關(r = 0.547, p < 0.05)。結論:耐力運動訓練顯著改善肥胖大學生之心肺適能及身體組成,並降低動脈硬化程度,在心血管系統的保健上扮演重要的角色。 |
英文摘要 | Objective: The purpose of this study was to investigate the effect of 12-week endurance exercise training on arterial stiffness in obese college students. Methods: Thirty-one sedentary obese college students (BMI = 31.82 ± 4.52 kg.m–2) were randomized to either a 12-week endurance exercise training (EG, n = 16) or served as a control group (CG, n = 15). Intervention subjects underwent endurance exercise training on a stationary bicycle from 30 minutes and gradually increased to 50 minutes per session, 3 sessions per week at 70% maximal heart rate. Control subjects were instructed to maintain their normal dietary and lifestyle habits throughout the study. All subjects underwent following items examined before and after 12 weeks: arterial stiffness with pulse pressure to stroke volume ratio (PP/SV ratio), cardiorespiratory fitness with cardio pulmonary rehabilitation evaluation system, and body compositions with bioelectrical impedance analysis. Two-way ANOVAs mixed design on one factor (Time) were used to examine training effects. For those with interactions, the main effect will be used to further analyze the treatment effect under different conditions. Results: SV and V ‧O2max significantly increased, but SBP, MAP, rest heart rate, body weight, BMI, %BF, fat mass, and WHR significantly decreased after training. Exercise training also significantly resulted in decreased PP, PP/SV, and PP/SVi. This improve was related with SBP (r = 0.547, p < 0.05). Conclusion: Endurance exercise training could be an effective strategy for increasing cradiorespiratory fitness, improving body compositions and arterial stiffness in obese college students. |
本系統中英文摘要資訊取自各篇刊載內容。