机构地区: 南京体育学院运动人体科学系
出 处: 《南京体育学院学报(自然科学版)》 2005年第3期17-20,共4页
摘 要: 为观察游泳训练对大鼠下丘脑、纹状体5-羟色胺(5-HT)及其分解代谢物5-羟吲哚乙酸(5-HIAA)的影响,本研究采用荧光光度法测定了不同游泳训练和水环境及安静时大鼠下丘脑和纹状体5-HT和5-HIAA水平。结果表明,与安静组相比,除游泳训练组和一次水环境组大鼠下丘脑中5-HT有升高趋势外,其余各组升高显著;除一次水环境组较安静组大鼠纹状体中5-HT有升高趋势外,其余各组5-HT都显著升高;一次游泳组和游泳训练24h恢复组大鼠下丘脑5-HIAA较安静组有下降趋势,其余各组有升高趋势;除长期水环境组大鼠纹状体5-HIAA较安静组有升高趋势外,其余各组都显著升高。提示,经过游泳训练可使脑内的5-HT和5-HIAA有所提高,说明训练有助于脑机能的改善和加快运动后的恢复,并可一定程度提高脑组织神经活动的稳定性和对运动的适应性,5-HT可能是运动性中枢疲劳较为敏感的神经介质。 This study focus on the changes in serotonin(5-HT) in hypothalamus and corpus striatum of rat after swimming-trained swim, to provide facts and recommendations for exercise-induced central fatigue studies. Electrochemical detection was used for evaluating the amount of 5-HT and 5-hydroxyindole-3-acetic acid(5-HIAA).The results show that swimming training changes differently of 5-HT and 5-HIAA happen on rat brains. It can be consumed that training can improve the brain ability and recoveries rapidly.