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侯靖钊,包洪卫,吴 剑.脊髓损伤患者在低强度运动中最大脂肪氧化速率研究[J].中国康复医学杂志,2017,(10):1139~1142
脊髓损伤患者在低强度运动中最大脂肪氧化速率研究    点此下载全文
侯靖钊  包洪卫  吴 剑
江苏省靖江市人民医院,靖江,214500
基金项目:
DOI:
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摘要:
      摘要 目的:探究脊髓损伤患者在不同强度运动下的脂肪氧化速率。 方法:选取30例无运动习惯的脊髓损伤(SCI)患者,所有受试者接受两次使用上肢功率车的递增运动负荷试验:基准测试(baseline test)和脂肪氧化强度测试(Fatmax test),两次测试中均进行呼吸气体分析。baseline test中起始功率5W,每3min递增10W,转速60rpm,直至患者力竭,测定此过程摄氧量(VO2)和呼吸商(RQ)的变化。Fatmax test包括五级递增负荷,每级持续6min,起始负荷为5W,第五级负荷为baseline test中呼吸商为1时对应的负荷,其他三级按照两者之差的平均值进行计算,测算脂肪代谢速率的变化。 结果:随着运动强度的增加,SCI患者脂肪氧化速率呈先升高后下降的趋势。在34.9%±2.3% VO2 peak运动强度下达到脂肪氧化率峰值(5.46±0.75)μmol/kg/min,之后随着运动强度的增加脂肪氧化率出现明显下降,在41.83±2.18、52.29±1.73、61.32±1.98% VO2 peak运动强度下脂肪氧化率依次为(3.92±0.69)μmol/kg/min、(2.85±0.61)μmol/kg/min、(0.58±0.19)μmol/kg/min(P<0.05)。 结论:在脊髓损伤患者的康复过程中,应当注重低强度运动的干预,使脂肪氧化速率最大化,降低肥胖在SCI患者中的发生率。
关键词:最大脂肪代谢强度  脊髓损伤  低强度运动
The maximal lipid oxidation rates in spinal cord injury patients with different exercise intensities    Download Fulltext
Department of Orthpaedics, Jinjiang People's Hospital Jinjiang, Jiangsu, 214500
Fund Project:
Abstract:
      Abstract Objective: To observe the lipid oxidation rates in spinal cord injury (SCI) patients with different exercise intensities. Method: Thirty sedentary patients with SCI were selected to perform incremental exercise load tests (baseline test and Fatmax test) with upper limb power vehicle. Meanwhile, both tests included respiratory gas analysis. In baseline tests, the workload was started at 5W and increased by 10W every 3 min, with 60 rmp until patients exhausted. The Fatmax test included 5 stages of workload and every stage kept 6 min. The initial workload was 5W, the fifth workload was corresponded to the load when respiratory quotient was 1 in the baseline test, the other workload was set according to the average of the initial and fifth workload. All lipid oxidation rates were measured by oxygen uptake (VO2) and respiratory quotient (RQ) in the tests. Result: With the increase of exercise intensity, lipid oxidation rates in SCI patients increased at first and then decreased. The peak of lipid oxidation rates (5.46±0.75 μmol/kg/min) arrived at the intensities of 34.9%±2.3% VO2 peak. After that the lipid oxidation rates decreased significantly as 3.92±0.69, 2.85±0.61, 0.58±0.19 μmol/kg/min at 41.83±2.18, 52.29±1.73 and 61.32±1.98% VO2 peak accordingly(P<0.05). Conclusion: During the rehabilitation of SCI patients, we should pay attention to the intervention from low intensity exercise to maximize lipid oxidation rates, reducing the incidence of obesity in SCI patients.
Keywords:the maximal lipid oxidation  spinal cord injury  low intensity exercise
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