短跑与中跑运动员红细胞超氧化物歧化酶含量及活性初探  

AN APPROACH TO SUPEROXIDE DISMUTASE IN ERYTHROCYTES OF SPRINTERS AND MIDDLE-DISTANCE RUNNERS

作　　者：胡琪琛[1] 陶心铭[1] 

机构地区：[1]上海体育学院运动生理教研室

出　　处：《中国运动医学杂志》1991年第4期211-213,共3页Chinese Journal of Sports Medicine

摘　　要：对短跑和中跑运动员安静时和一次运动后红细胞SOD含量及活性的变化进行了观察,并研究了运动员的最大吸氧量和无氧阈与红细胞SOD的关系。结果提示,以无氧代谢为主的运动项目可提高人体红细胞SOD的含量及活性,增强红细胞抵御超氧自由基损伤的能力。The purpose of this study was to research the characteristic of superoxide dismutase (SOD) in erythrocy-tes of sprinters and middle-distance runners. Resting content and activity of SOD in erythrocytes were studi-ed in 8 untrained men, 8 sprinters and 8 middle-distance runners (male). SOD content, as well as SODactivity, in athletes was significantly greater than it in untrained men. It suggested: the exercise trainingwhich glycogen breakdown provided the majority of the non-oxidative energy could elevate the level of SODin erythrocytes. The VO_2 max and AT, and SOD content and activity in erythrocytes from 12 athletes (4sprinters and 8 middle-distance runners) were studied. There was no significant correlation between both VO_2max and AT and SOD level. To also observe the change of SOD in erythrocytes after a bout of exercise.The content and activity of SOD did not change significantly after 12 athletes exercised to VO_2max on acycle ergometer. Similarly, they did not change significantly during 14 hours of recovery from 5000-metrerace. These athletes had trained regularly several years and SOD level in erythrocytes of them had increased,which had been sufficient to remove and cope with increaced O_2 during the exercise. It might be one ofthe causes that SOD in erythrocytes did not change significantly after a bout of exercise.

关 键 词：短跑 中跑 运动员 含量 红细胞超氧化物歧化酶 活性 

分 类 号：R87[医药卫生—运动医学]