少年男子中长跑运动员10km训练跑对血清心肌损伤标志物水平的影响

被引:14
作者
时庆德 [1 ]
聂金雷 [1 ]
刘蔚 [2 ]
机构
[1] 澳门理工学院体育暨运动高等学校
[2] 卫生部北京医院心内科
关键词
心肌标志物; 耐力运动; 心肌损伤; 少年运动员;
D O I
暂无
中图分类号
G804.2 [运动生理学]; G822.3 [长距离跑];
学科分类号
040211 [体育与运动心理学];
摘要
目的:观察常规训练中非力竭耐力运动前后少年运动员血清心肌损伤标志物水平的变化。方法:测定19名少年男子中长跑运动员在常规训练中一次非全力10 km跑前、运动后2 h、运动后4 h以及运动后24 h血清心肌肌钙蛋白T亚基(cTnT)、I亚基(cTnI)、CK-MB活性及CK-MB质量水平。结果:10 km跑可显著提高被试者血清cTnT、cTnI及CK-MB质量水平。运动后4 h内血清cTnT和cTnI可超过临床心肌损伤(60%以上被试者)甚至心肌梗死(10.5%42.1%被试者)界值,而运动后24 h,血清cTnT及cTnI恢复至正常水平。另外,运动前后各观察点都有相当比例的被试者(15.8%84.2%)CK-MB活性及质量超过心肌损伤界值。结论:非力竭性耐力运动可能引起少年运动员可逆性心肌微损伤,但其确切机制、临床意义及远期后果有待进一步研究。
引用
收藏
页码:52 / 55
页数:4
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